Testimonials Articles

Heat Pump Installation in Boulder, CO 80304

January 31, 2023

“Brent did a fabulous job assessing our requirements and developing a design that met our needs. He presented an estimate during the evaluation for the installation that included the rebate. The experience was very pleasant and his knowledge of heating/cooling systems was great. We have an old house with an unusual hybrid heating system and…

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Gas Furnace Maintenance in Broomfield, CO 80023

January 31, 2023

“Real nice guy. Worked steady.”

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Gas Furnace Repair in Thornton, CO 80241

January 30, 2023

“I called Kappler in the morning of the coldest day of the year and Travis was at my house at noon! He was friendly and professional. He explained everything he did while he found and corrected the issue. I feel confident that I won’t freeze!”

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Gas Furnace Maintenance in Arvada, CO 80127

January 28, 2023

“Terrific service – honest – on time – dependable.”

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Gas Furnace Repair in Thornton, CO 80233

January 27, 2023

“Nick did a great job at diagnosing and fixing the problem. He was very knowledgable about HVAC systems and controls and got the system running in short order.”

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Gas Furnace Maintenance in Arvada, CO 80003

January 27, 2023

“Mr. Lim was fast efficient and kind. He resolved the issue and ensured it wouldn’t fail before he left. Thank you!”

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Heat Pump Replacement in Arvada, CO 80207

January 25, 2023

“Brent was very thorough in his explanations and offered more than one solution to our need for replacement of our current system.”

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Gas Furnace Repair in Westminster, CO 80020

January 23, 2023

“My furnace went out on a Sunday night when the temperature was about 20°. I made an online appointment to have service done on the furnace on a Tuesday morning but the office called me Monday morning and offered to have a technician come out at noon on Monday. He arrived promptly, seemed knowledgeable and…

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Gas Furnace Repair in Broomfield, CO 80020

January 22, 2023

“Alex Gourdin was very courteous. He was able to diagnose the problem and correct it. Thanks again to the Kappler team!”

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Gas Furnace Repair in Broomfield, CO 80020

January 22, 2023

“Kappler was able to reschedule a technician for Saturday afternoon, after just setting up an appointment yesterday. Travis arrived on time and was very helpful in diagnosing the problem with our gas furnace. He explained what was failing and worked to schedule a replacement induction motor ASAP the motor arrives. Very happy not to be…

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Gas Furnace Maintenance in Westminster, CO 80031

January 21, 2023

“On January 19th I had an error message on our thermostat and I called Kappler in the morning of the 20th. Kappler was able to sent out a tech. The tech they sent was Travis Kim. Travis was extremely knowledgeable and explain in detail what needed to be done. I hope the next time I…

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Furnace Maintenance in Broomfield, CO 80020

January 18, 2023

“Travis was very friendly and did not start off saying we needed a new furnace. He said we should get a cleaning of the blower motor. I have made an appointment to get a quote on a replacement and made an appointment for the motor cleaning. Glad I chose Kappler.”

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Gas Furnace Repair in Westminster, CO 80032

January 18, 2023

“Uri was courteous and gave a clear diagnosis and smooth repair.”

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Heat Pump Installation in Boulder, CO 80303

January 18, 2023

“Justin went above and beyond for the installation. He provided excellent communication and easy to understand explanations. He updated me with the progress. He was very attentive to any concerns I had, and even returned to the site to make sure everything was OK when I was having another problem and even help me solve…

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Heat Pump Installation in Boulder, CO 80303

January 17, 2023

“We replaced our old gas furnace and air conditioner with a new Amana furnace, Bosh heat pump and a Mitsubishi mini-split system. Also some electrical change were required to support the new equipment. A large crew of people worked two days install all the equipment. We were extremely pleased with the work and with the…

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Heat Pump Installation in Boulder, CO 80303

January 16, 2023

“I was very happy with the installation process at my property. This included the initial plan and recommendations with Brent and the full scale team to install my products. They were professional and explained everything to me and kept me updated about every phase. They left my home very clean at the end of each…

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Gas Furnace Repair in Arvada, CO 80034

January 16, 2023

“Mr. Felipe is an excellent repair person. He was able to diagnose and repair an apartment furnace with ease. I want to thank Kappler for hiring excellent individuals to conduct business. Their employees reflect their business principles. Thank you!”

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Gas Furnace Repair in Westminster, CO 80031

January 12, 2023

“Took time, but I GREATLY appreciated how thorough and careful Travis was, He did an excellent job and is to be commended. He represented your company well.”

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Gas Furnace Maintenance in Erie, CO 80516-6568

January 10, 2023

“Nick was very capable & pleasant – also efficient. Took the time to check out a sound in the duct work – turns out we have a flexible duct that wobbles.”

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HVAC Maintenance in Longmont, CO 80504

January 6, 2023

“Travis was very knowledgeable and explained what he was doing. Did a great job of cleaning and maintaining our ac/heating unit. I would highly recommend this company and Travis. Thank you”

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Gas Furnace Maintenance in Lafayette, CO 80026

January 6, 2023

“Ulises is always focused, diligent, and shows care when working in our home. He is respectful of our home and takes care to make sure he leaves the environment in the same condition as when he entered…and in the meantime we have a well-maintained furnace!! Thanks, Ulises!!”

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Gas Furnace Repair in Louisville, CO 80027

January 3, 2023

“So helpful and knowledgeable. Explained everything to me throughly.”

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Gas Furnace Repair in Boulder, CO 80304

January 2, 2023

“Thanks for the quick service call.”

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Gas Furnace Maintenance in Broomfield, CO 80020

January 2, 2023

“Excellent! Thank you!”

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Gas Furnace Maintenance in Louisville, CO 80027

January 2, 2023

“Thanks to your terrific people keeping track of my maintenance schedule (Kim) and informative, personable and expert technicians like Travis, I rest easy knowing that my heating and cooling needs will be reliably taken care of. Thank you, Kappler Mechanical.”

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Gas Furnace Maintenance in Erie, CO 80516

December 23, 2022

“Superb customer service!”

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Gas Furnace Repair in Arvada, CO 80007

December 23, 2022

“Excellent service, prompt and efficient! I’m a realtor and I have referred Kappler mechanical to many of my clients. Every time they have done a great job and my clients are thrilled with the service. I’ve personally used them in my home and rentals and highly recommend them!”

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Air Handlers Installation in Thornton, CO 80241

December 22, 2022

“Kappler installed a multi-speed Trane efficiency furnace and a Reme Halo air purifier. I believe it is the Bentley of all HVAC systems. Kappler employees – EVERY ONE OF THEM – are excellent in their service. I will recommend them to anyone needing a replacement. We will soon have them install and hook up the…

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Gas Furnace Repair in Westminster, CO 80031

December 17, 2022

“Ulises Felipe was personable, knowledgeable about the furnace, called for more info, shared the options we have for fixing or replacement., set up a time and day for more specific service. Thank you!!!”

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Humidifier Installation in Arvada, CO 80005

December 15, 2022

“I would call these two technicians thorough. The leak that started after they left wasn’t their fault, it just happened. A fluke. But they came right back and made absolutely sure the new unit wasn’t leaking anymore.”

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Heat Pump Maintenance in Lafayette, CO 80026

December 15, 2022

“Nick was out for our bi-annual maintenance, as always he was great!!! He is professional, personable, and knowledgable. He preformed the required items and kept me informed the whole time. The entire team at Kappler Mechanical are outstanding!! Nick like everyone that I have encountered with Kappler is like having a great family friend over…

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Humidifier Maintenance in Broomfield, CO 80023

December 15, 2022

“Courteous, prompt, and professional.”

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Gas Furnace Maintenance in Boulder, CO 80301

December 13, 2022

“This was our first visit by Travis Lim, and we were totally satisfied with his work which included several actions that he was not expecting, because they were not on his routine maintenance list. His work was excellent, and we are grateful that he is on the Kappler team!”

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Gas Furnace Maintenance in Westminster, CO 80031

December 13, 2022

“Wonderful”

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Heat Pump Replacement in Arvada, CO 80005

December 13, 2022

“Brent couldn’t have been nicer, and his expertise was top notch! I have no complaints whatsoever and hopefully will be working with you at some point, since this was a visit of explanation and quotes. Thank you so much for being so thorough, and so very kind.”

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Gas Furnace Maintenance in Louisville, CO 80027

December 12, 2022

“Nick is always professional, explains his plans for maintenance and answers questions. He is very nice too!”

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Gas Furnace Repair in Boulder, CO 80303

December 9, 2022

“I was very pleased with the repair of my furnace. The diagnosis of the furnace problem was a bit complicated because the failure of one part caused another problem in the furnace. The repairman identified both problems and found a replacement part so that the entire repair was completed in a single day. Also the…

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Gas Furnace Repair in Broomfield, CO 80020

December 9, 2022

“Quick service was here in a couple hours. Very friendly, knowledgeable and thorough. Got my furnace back up and running after we woke up to a cold house. Thanks for the great service!”

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Gas Furnace Maintenance in Arvada, CO 80005

December 8, 2022

“Nick was very personable and very professional young man. I appreciate his respect also. Explained everything in detail. Great experience.”

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Gas Furnace Maintenance in Arvada, CO 80005

December 8, 2022

“Nick, did another great job of explain everything he did and why it is important. Thank you”

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Gas Furnace Maintenance in Erie, CO 80602

December 7, 2022

“Travis was meticulous in servicing the equipment and explaining the process. I want him back for the next scheduled service!”

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Electrical Repair in Longmont, CO 80504

December 7, 2022

“Courteous & conscientious service. Guys went out of their way to locate & fix our electrical problem. Thank y’all!”

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Gas Furnace Maintenance in Westminster, CO 80031

December 7, 2022

“Great service”

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Gas Furnace Maintenance in Lafayette, CO 80026

December 6, 2022

“He was patient and waited to hear the strange sound the furnace made. He tightened bolts and made sure things were back to normal. Explained his work in detail. Appreciate prompt response from the whole team to address our concern.”

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Furnacne Maintenance in Lafayette, CO 80026

December 6, 2022

“Very friendly and efficient and punctual.”

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Gas Furnace Maintenance in Westminster, CO 80031

December 5, 2022

“Prompt, professional & nice!”

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Gas Furnace Maintenance in Westminster, CO 80031

December 5, 2022

“Nick was great. Very thorough, knowledgeable, and informative.”

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Gas Furnace Replacement in Thornton, CO 80241

November 28, 2022

“Brent is brilliant. Personable, ethical, knowledgeable and and great problem solver. It’s a high pleasure to work with him in all his integrity.”

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Gas Furnace Maintenance in Arvada, CO 80003

November 28, 2022

“Josh Gibson was wonderful. Josh arrived on time, explained everything without making me feel like a dummy, was knowledgeable, efficient and kind. I was impressed to learn that Josh has been with Kappler for 8 years and that he was honest and straightforward with me. Many thanks!”

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Gas Furnace Maintenance in Westminster, CO 80031

November 28, 2022

“Great service as always. Highly recommend Kappler!”

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Gas Furnace Maintenance in Westminster, CO 80021

November 23, 2022

“Very helpful and shared good advice / information.”

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Gas Furnace Replacement in Thornton, CO 80241

November 22, 2022

“Nick is incredible!! Highly integral, ethical and skilled at his trade. He served us well.”

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Gas Furnace Repair in Erie, CO 80516

November 22, 2022

“Nick was fast, professional, and gave us great advice.”

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Humidifier Maintenance in Lafayette, CO 80026

November 22, 2022

“Justin masterfully troubleshot the issue, came up with a solution, and provided a fix. This is just another example of why Kappler is and will remain our HVAC provider.”

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Gas Furnace Maintenance in Broomfield, CO 80023

November 22, 2022

“Nick was very good! He explained all his work and changed my filters. He was very personable and I was happy to have another service person who was so nice to explain what he does so well. I’ve been very pleased with all your workers. Thanks.”

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Gas Furnace Maintenance in Boulder, CO 80304

November 21, 2022

“Nick was excellent. Thanks.”

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Gas Furnace Maintenance in Westminster, CO 80031

November 21, 2022

“Excellent, prompt, and professional service!”

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Ductless Mini-Split Installation in Westminster, CO 80031

November 18, 2022

“Brent was a very personal, professional and knowledgeable young man! Answered all my questions”

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Gas Furnace Maintenance in Thornton, CO 80233

November 17, 2022

“Ulises was very polite and informative. Was in no hurry even though I’m sure they are very busy. Treated things with care and took time to answer questions. Thank you.”

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Gas Furnace Repair in Thornton, CO 80602

November 16, 2022

“Josh was prompt, knowledgeable and efficient. I highly recommend him and Kappler Mechanical.”

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Gas Furnace Maintenance in Westminster, CO 80023

November 16, 2022

“Ulises was terrific. Very personable with great knowledge of our HVAC systems. He was helpful with tips about maintaining our equipment between our semi-annual inspections by Kappler.”

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Gas Furnace Maintenance in Broomfield, CO 80023

November 15, 2022

“Josh is always a pleasure to service our system. His expertise and product knowledge is the best. We always look forward to hearing about his exploits, both hiking travels and “housing”. That’s quite a story in itself! He knows his job and it shows on every visit. We hope to have him here on future…

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Repair in Thornton, CO 80602

November 12, 2022

“Alex was amazing. He diagnosed the problem within minutes and repaired the problem !”

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Gas Furnace Maintenance in Westminster, CO 80127

November 11, 2022

“Ulises is professional in all respects. He explains what he is doing and why. He is respectful and courteous in in all respects. He is welcome in our home anytime.”

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Electrical Installation in Superior, CO 80027-6100

November 10, 2022

“Ben, Jared and crew do solid work. On time, communicate well, amenable to specific needs, and got the tasks done in quick order.”

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Gas Furnace Maintenance in Erie, CO 80516

November 9, 2022

“Josh handled an igniter replacement on a 29 year old furnace and cleaned it to be sure it worked until the furnace can be replaced.”

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Gas Furnace Maintenance in Westminster, CO 80031

November 8, 2022

“Ulises was great, as always. He’s been our tech for about 3 yrs now and he’s always on time, prepared, professional and helpful. When there’s a cheap, easy fix I can do myself he’ll tell me in order to save me from bigger charges. Kappler has been our HVAC contractor for 8 yrs and we’ve…

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Electrical Repair in Broomfield, CO 80020

November 7, 2022

“The technician did a great job. He explained what he would, could and did do very succinctly and the outlet/light are working perfectly now, thanks!”

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Gas Furnace Maintenance in Superior, CO 80027

November 5, 2022

“On time and every questioned answered”

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Gas Furnace Repair in Boulder, CO 80303

November 4, 2022

“We have used Kappler since Mike started the firm and are never disappointed. Today our tenants informed me the the furnace wasn’t working. We made a quick call and Christie was able to get Josh out there within an hour. Josh was prompt and quickly diagnosed the issue. All is well and the tenants are…

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Gas Furnace Maintenance in Boulder, CO 80303

November 4, 2022

“Nick arrived on time and very efficiently provided the service my furnace needed. He clearly explained the service options Kappler offers. His final report was presented immediately and covered all areas of his visit. The inspection was thorough and quick. Nothing was overlooked. Thank you”

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Gas Furnace Repair in Thornton, CO 80603

November 4, 2022

“Amazing service all around!”

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Air Conditioner Repair in Boulder, CO 80302

November 4, 2022

“Brent was absolutely outstanding!! Truly haven’t ever had a home repair that went so smoothly when I was anticipating the worst. Because of him we will never use anyone else but Kappler Mechanical. Can’t recommend enough!”

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Gas Furnace Maintenance in Boulder, CO 80303

November 3, 2022

“Nice job as usual. Technician arrived early after calling to say he was ahead of schedule for the day. Great job.”

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Gas Furnace Repair in Broomfield, CO 80020

November 3, 2022

“Nick was great! Very thorough, honest and friendly. He was able to explain clearly what was going on and did his best to solve the issue. Unfortunately our 28 year furnace is on its last leg. Even with that, there was no sales pressure from him. Because of that we will definitely use Kappler to…

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Air Conditioner Maintenance in Westminster, CO 80003

November 2, 2022

“Nick was excellent! He kept me aware of his trouble shooting efforts and the steps he took to make sure the heat would be working ahead of the upcoming snow storm. I really appreciated his professionalism and thoroughness. Would recommend to anyone.”

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Air Conditioner Installation in Westminster, CO 80021

November 1, 2022

“Kappler is a first-class service. The technicians were friendly, knowledgeable, and professional. Everything went according to plan and they did an excellent job. Highly recommend!”

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Air Conditioner Maintenance in Arvada, CO 80004

November 1, 2022

“Josh is always a pleasure to work with. Professional, efficient, and informative. Highly recommend!”

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Electrical Repair in Louisville, CO 80027

October 31, 2022

“The team was great, making sure there were no additional electrical issues after a fire call.”

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Gas Furnace Repair in Lafayette, CO 80026

October 28, 2022

“Ulysses did a great job. Very complete in finding the problem and then fixing it. He went above and beyond the call. Appreciate explaining the problem and the maintenance plan.”

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Electrical Replacement in Superior, CO 80027-6100

October 28, 2022

“Jared gave a professional and comprehensive appraisal of the electrical panel upgrade.”

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Electrical Replacement in Broomfield, CO 80023

October 27, 2022

“Ben and Nate were absolutely awesome!! So helpful, informative, and courteous!!”

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Gas Furnace Maintenance in Broomfield, CO 80023

October 27, 2022

“Nick is very knowledgeable, provided excellent service and is very personable.”

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Gas Furnace Maintenance in Broomfield, CO 80020

October 25, 2022

“Maybe one more year on the old guy! Best HVAC team in Colorado!!! Thanks Mr. Kappler!”

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Gas Furnace Maintenance in Arvada, CO 80403

October 24, 2022

“Ulises was terrific! He has serviced our HVAC system before. He let us know that you also have a master electrician now which will come in handy in the future. We trust everyone at Kappler and are always recommending them to anyone who needs HVAC work. We love our Trane system. Thanks.”

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Gas Furnace Maintenance in Arvada, CO 80004

October 20, 2022

“Great maintenance and service! Arrived on time and communications were superb. Helped with surge protection installation to protect our unit. Once job was done made sure system was working and that area was clean.”

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Gas Furnace Maintenance in Westminster, CO 80234

October 19, 2022

“Nick was really easy to work with. He’s very knowledgeable and a nice person.”

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Heat Pump Repair in Broomfield, CO 80023

October 18, 2022

“So great!!”

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Gas Furnace Maintenance in Broomfield, CO 80020

October 18, 2022

“Josh and Noah did a thorough maintenance. All Kappler personnel that I have had at our home are professional, knowledge and skilled.”

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Gas Furnace Maintenance in Erie, CO 80516

October 17, 2022

“Great experience. Nick was very friendly and keep things simple. Gave great updates and specific information which was very helpful.”

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Gas Furnace Repair in Arvada, CO 80403

October 14, 2022

“So impressed with the service I got from Josh. He was very thorough and took time to explain things to me!! I appreciated that. Thanks for making it all so easy. I felt comfortable with the things he was doing and the suggestions he had. I also felt that the fee was very reasonable. Thanks”

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Gas Furnace Maintenance in Superior, CO 80027

October 12, 2022

“Josh has been great. We have had him for our maintenance checks for a few years now and he is courteous and professional.”

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Electrical Installation in Lafayette, CO 80026

October 11, 2022

“Excellent!!!”

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Gas Furnace Maintenance in Arvada, CO 80005

October 10, 2022

“Great customer service and professional.”

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Ductless Mini-Split Installation in Thornton, CO 80602

October 9, 2022

“Logan and the other guys were very nice and knowledgeable. They were so clean I can’t even tell they were here.”

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Furnace Maintenance in Broomfield, CO 80023

October 6, 2022

“Nick was so polite and very knowledgeable. He explained what maintenance work would be performed and answered all my questions. He followed up on a few of my questions to ensure the furnace was performing satisfactorily. Nick’s inspection was very complete of all the inspection list items. I was so impressed with his mannerism and…

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Gas Furnace Maintenance in Westminster, CO 80234

October 4, 2022

“We love Kappler and always enjoy seeing our technician Nick. He’s so friendly and does a great job!”

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Gas Furnace Maintenance in Broomfield, CO 80023

October 3, 2022

“Josh was very thorough and knowledgeable!”

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Ductless Mini-Split Repair in Boulder, CO 80304

October 3, 2022

“Kappler, as usual, provided very prompt and professional attention to correct a small repair issue. Once I contacted Kappler about it, they sent out 2 technicians to our home the first thing on the next morning. They fixed the issue in about 10 minutes time, thanks to their expertise and efficiency. Kappler has my vote…

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Gas Furnace Maintenance in Boulder, CO 80304

October 3, 2022

“Nick was prompt, personable, professional, and thorough. He welcomed questions and provided expert answers. He has great “furnace-side manners.” I would recommend Nick, “Dr. Furnace,” to anyone. Nick is certainly an asset to the Kappler Team!”

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Ductless Mini-Split Maintenance in Thornton, CO 80241

September 29, 2022

“Ulises was great, helpful and informative!”

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Gas Furnace Maintenance in Lafayette, CO 80026

September 29, 2022

“Great. On time. Super thorough and very personable. Feel confident our furnace is ready to go for the winter.”

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Gas Furnace Maintenance in Broomfield, CO 80211

September 28, 2022

“Outstanding customer experience. Would 100% recommend.”

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Air Conditioner Maintenance in Broomfield, CO 80020

September 27, 2022

“Great customer service and very professional.”

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Gas Furnace Maintenance in Broomfield, CO 80020

September 27, 2022

“Nick was friendly, polite and kept me up to date the whole time.”

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Gas Furnace Maintenance in Broomfield, CO 80020

September 27, 2022

“Great job”

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Air Conditioner Maintenance in Broomfield, CO 80020

September 27, 2022

“Josh and his trainee were very professional”

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Gas Furnace Maintenance in Lafayette, CO 80026

September 26, 2022

“Nick did a thorough job with the fall maintenance service. He was friendly, respectful, and professional. As always, I was impressed with Kappler’s excellent customer service.”

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Gas Furnace Maintenance in Arvada, CO 80004

September 23, 2022

“Nick was great. On time, very polite, and explained what he was doing. Give him a raise.”

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Gas Furnace Maintenance in Westminster, CO 80234

September 22, 2022

“Nick was professional, personable, knowledgeable, patient and reassuring with our questions. He discovered and fixed a clogged drain from the AC coil that had overflowed and caused us some consternation. He found a slowly failing igniter that he reassured may still be OK for awhile, but because we had been previously warned a couple of…

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Gas Furnace Maintenance in Broomfield, CO 80020

September 20, 2022

“Nick was honestly one of the kindest and thorough service people I’ve ever worked with. He was on time, professional and friendly. He was in my home for over 2 hours cleaning and servicing my furnace and air conditioner. He didn’t oversell and explained everything to a tee. Kappler always has the best service people!”

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HVAC Replacement in Broomfield, CO 80020

September 19, 2022

“On time informative and efficient. Thanks”

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Gas Furnace Maintenance in Superior, CO 80027

September 19, 2022

“Nick is great! He is very knowledgeable and very kind. These guys from Kappler are great to work with.”

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Electrical Repair in Arvada, CO 80222

September 19, 2022

“Ben Hawley was great, very efficient, and knowledgeable. Would definitely recommend Kappler to friends in the future.”

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Gas Furnace Maintenance in Lafayette, CO 80026

September 16, 2022

“Nick was great , explaining everything. He was very personable.”

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Gas Furnace Maintenance in Boulder, CO 80301

September 16, 2022

“Ulises Felipe is efficient, knowledgable, and highly capable. He’s done furnace and A/C maintenance for us for several years, and his service is always appreciated.”

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Gas Furnace Maintenance in Broomfield, CO 80020

September 16, 2022

“The technician was on time, paused to explain what he was doing on several occasions, and left everything in better shape than when he found it. Another satisfying visit from the Kappler team.”

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Gas Furnace Maintenance in Westminster, CO 80031

September 16, 2022

“There’s peace of mind with Kappler’s maintenance. And I appreciate the time Ulises took to explain HVAC system functions and maintenance items. I like knowing the how and why of our systems operation.”

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Gas Furnace Maintenance in Thornton, CO 80602

September 15, 2022

“Nick is a thorough and patient person, willing to answer / explain any inquiries/ findings. We greatly enjoy working with him.”

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Air Conditioner Maintenance in Westminster, CO 80031

September 14, 2022

“Ulises is always on time and extremely professional. I had an issue with my AC unit and he diagnosed and fixed it, much to my relief on these hot days. I only trust Kappler to maintain my system because of their outstanding customer service.”

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Air Conditioner Installation in Westminster, CO 80020

September 14, 2022

“Brent was on time, very informative and professional. He gave us 4 options to choose from before he left the house.”

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Ductless Mini-Split Installation in Arvada, CO 80215

September 14, 2022

“Beck Halbeisen and Kappler team members finished installing and testing a ductless mini-split system in our home today. Beck also did a thorough job of explaining operational and maintenance details to us. We are pleased with the system and look forward to using it in the coming years.”

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Gas Furnace Maintenance in Boulder, CO 80302-5012

September 13, 2022

“Ulises was great, friendly, knowlegable, professional – like all your people. I feel like I’m in good hands with your company.”

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Gas Furnace Maintenance in Thornton, CO 80601

September 13, 2022

“Tech told us what he was doing and what to be aware of. Arrived on-time and was informative and professional. Took care of what needed to be done and wound up his visit.”

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Heat Pump Installation in Boulder, CO 80305

September 11, 2022

“Sport quick, friendly, and clean. I work from home and barely noticed they were here. Phenomenal work.”

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Gas Furnace Maintenance in Superior, CO 80027

September 8, 2022

“Very nice, knowledgeable and professional.”

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Gas Furnace Maintenance in Boulder, CO 80304

September 8, 2022

“The technician was very professional and explained everything well.”

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Air Conditioner Maintenance in Arvada, CO 80012

September 8, 2022

“Ulises did a great job servicing our system as have all the technicians that work for Kappler Mechanical. I would recommend your company to anyone.”

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Gas Furnace Maintenance in Thornton, CO 80234

September 7, 2022

“I am a Realtor. I refer your company to all of my clients and I am NEVER disappointed! My clients are happy and they rave about the service. Thank you again for a job well done!”

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Air Conditioner Repair in Broomfield, CO 80023

September 7, 2022

“As always Josh is very helpful, capable and personable. It makes me happy when I see him show up at the door.”

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Ductless Mini-Split Installation in Boulder, CO 80305

September 2, 2022

“Excellent all around. The communication was good. The installation team was very professional. The bid was competitive. I highly recommend Kappler.”

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Air Conditioner Repair in Thornton, CO 80602

September 1, 2022

“Josh was very polite and helpful. Not only did I have an issue with my AC, I had a leak in my plumbing that he found. He explained my options for my AC and recommended a plumbing company. I really appreciate him going above and beyond.”

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Air Conditioner Repair in Broomfield, CO 80020

August 29, 2022

“Thanks, Josh.”

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Air Conditioner Maintenance in Westminster, CO 80031

August 25, 2022

“Very professional. Explained in detail.”

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Air Conditioner Repair in Broomfield, CO 80020

August 24, 2022

“I called in the AM because our air conditioning was not working. Josh was out within an hour, diagnosed the problem and made the repair. Great service as always!”

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Air Conditioner Repair in Broomfield, CO 80020

August 24, 2022

“Thank you Josh for your help today, thanks for all the info on what to keep an eye on too. Thanks to all of Kappler Mechanical for your super fast service today, super fast like within an hour of when we called fast. Very much appreciated!”

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Air Conditioner Installation in Arvada, CO 80215

August 22, 2022

“Our visit with Brent Monnin this morning went very well and we ordered a mini split system from Kappler.”

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Air Conditioner Repair in Westminster, CO 80020

August 22, 2022

“I always appreciate the honest service Kappler provides. They do a great job and never oversell or get pushy. Ulises did a fantastic job today and was super easy to work with.”

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Air Handlers Maintenance in Boulder, CO 80304

August 22, 2022

“Nick is always great–he takes the time to do things right. Very pleasant and on time or early!”

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Air Conditioner Repair in Boulder, CO 80301

August 22, 2022

“Called in the morning about a problem with our A/C unit and by early-afternoon we had a friendly and helpful technician out to take a look and address the issue.”

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Air Conditioner Repair in Erie, CO 80516

August 18, 2022

“We found Ulises to be a great serviceman. He called to let us know that he was on his way and arrived on time. He was friendly and took his time explaining the problem. We would recommend him to anyone!”

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Air Conditioner Maintenance in Broomfield, CO 80020

August 17, 2022

“Josh is exceptional. He is professional, knowledgeable and informative. He looked at my Air Conditioner and advised what could have happen and then explained very thoroughly what would make the unit more efficient. I have another appointment in October for a new filter unit. While he was at my home the basement window well flooded,…

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Air Conditioner Repair in Westminster, CO 80020

August 17, 2022

“Ulises Felipe was great, very knowledgeable and was great with communication.”

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Air Conditioner Maintenance in Lafayette, CO 80026

August 16, 2022

“Always a great job. Knowledgeable and friendly technicians. Fast, easy, but thorough service.”

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Air Conditioner Installation in Westminster, CO 80234

August 15, 2022

“You guys are wonderful. The whole crew was perfect and Alec could not have been more helpful. Thank you again for the great job!”

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Air Conditioner Repair in Broomfield, CO 80020

August 15, 2022

“Josh was great to work with.”

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Air Conditioner Repair in Broomfield, CO 80020

August 15, 2022

“The technician showed up on time and repaired the issue with our Air Conditioner quickly. He was very friendly and helpful and did a great job!”

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Air Conditioner Maintenance in Lafayette, CO 80026

August 12, 2022

“Today, Nick Bullock came to our home to do the six-month service on both of our HVAC systems. We are strong believers in preventative maintenance and are members of the Kappler Comfort Club. Nick is a personable, and thoughtful professional who is skilled and efficient in his work. He is yet another example of the…

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Air Conditioner Repair in Lafayette, CO 80026

August 11, 2022

“The condensation drain on our AC plugged up. Kappler had Ulise out to repair it quickly. He did a great job and gave us some great tips to prevent the problem going forward.”

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Air Conditioner Installation in Arvada, CO 80005

August 11, 2022

“Very helpful.”

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Air Conditioner Maintenance in Erie, CO 80516

August 10, 2022

“Justin spent a lot of time diagnosing and addressing all of my concerns. I felt that he truly heard me. I can tell that he is extremely knowledgeable and that gives me peace of mind that my AC issues were correctly addressed and fixed.”

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Air Conditioner Repair in Erie, CO 80516

August 10, 2022

“Very knowledgeable. Explained things thoroughly & gave us several tips to improve or prevent future problems, like rinsing the AC unit in late spring.”

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Ductless Mini-Split Maintenance in Thornton, CO 80602

August 10, 2022

“Two professionals showed up for basic service and couldn’t have done any better. They went above and beyond, answered any questions I had and took the time to try and make sure everything was perfect. Great service from this company.”

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Ductless Mini-Split Maintenance in Arvada, CO 80005

August 9, 2022

“Ulises arrived right when he said he would, asked what was going on and then looked at the head that I said was the main problem. Quickly determined that it was the blower wheel that needed to be cleaned (shame on me, I knew it needed to be but did not think it was the…

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Tankless Water Heater Repair in Westminster, CO 80234

August 8, 2022

“Ulises provided us excellent service. He was very careful to tell us exactly how much the repair to our water heater would cost. He had to go into Denver for a part but was able to work around the fact that we had relatives visiting from Seattle. He also tested our water pressure after the…

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Air Conditioner Repair in Thornton, CO 80241

August 5, 2022

“Josh was amazing! He gave us good information and we are impressed by his skill and knowledge.”

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Air Conditioner Maintenance in Lafayette, CO 80026

August 5, 2022

“Nick was fantastic. He was on time, efficient, knowledgeable and courteous. Excellent service and experience.”

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Ductless Mini-Split Installation in Broomfield, CO 80023

August 5, 2022

“Brent was terrific to work with. Very knowledgeable about mini-splits and answered all my questions.”

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Air Conditioner Maintenance in Broomfield, CO 80020

August 4, 2022

“Service was # 1. Nick was very through and explained things very well. A pleasure watching him do his thing. Great that he was dog friendly also. Would recommend and will recommend you guys to others.”

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Air Conditioner Repair in Broomfield, CO 80020

August 4, 2022

“Josh did a great job! He clearly knew what he was doing and he got me up and running less than an hour. I look forward to working with him again.”

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Electrical Replacement in Arvada, CO 80215

August 4, 2022

“Ben Hawley did an outstanding job in all aspects. Great technical and workmanship skills. Excellent teaching skills – explained clearly everything to me. Organized the whole project very well and led the whole Kappler team on the project”

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Air Handlers Repair in Broomfield, CO 80020

August 3, 2022

“Great tech. Super responsive. Always use them.”

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Air Conditioner Maintenance in Broomfield, CO 80023

August 2, 2022

“Great service. Very professional. Explained everything clearly.”

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Electrical Replacement in Boulder, CO 80305

August 1, 2022

“Your employees, service, response time, and quality are top notch. Mr. Hawley helped us with electrical needs today to keep our HVAC system running smoothly. He was timley, personable and very professional. Thank you, Kappler!”

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Maintenance in Broomfield, CO 80021

August 1, 2022

“Nick was amazing! Couldn’t have asked for a better technician!”

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Air Handlers Maintenance in Broomfield, CO 80023

July 29, 2022

“Fast, efficient, friendly.”

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Air Conditioner Maintenance in Broomfield, CO 80020

July 26, 2022

“The Kappler crew was on time as usual and called before arrival. They quickly assessed the problem made the repair and made the cost clear prior to billing. I appreciate their response and professionalism. Kappler is always my first call.”

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Ductless Mini-Split Installation in Louisville, CO 80027

July 26, 2022

“Another great experience with Kappler Mechanical. This is the 2nd home in which we’ve had a ductless mini-split Mitsubishi system installed, and again, we’re very happy with the installation experience. The crew was on time, worked diligently and cleaned up thoroughly. The mini-split system makes a HUGE difference to the comfort level in our home.…

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Air Conditioner Repair in Louisville, CO 80027

July 26, 2022

“They were fantastic! Kind, helpful, on time, thorough.”

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Heat Pump Replacement in Broomfield, CO 80020

July 25, 2022

“I have always loved working with Kappler! They are some of the most friendly people in the industry!”

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Air Conditioner Maintenance in Thornton, CO 80241

July 25, 2022

“Very friendly.”

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Air Conditioner Maintenance in Boulder, CO 80301

July 25, 2022

“He was wonderful! Great ideas to fix my problems!”

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Air Conditioner Maintenance in Broomfield, CO 80023

July 22, 2022

“Great experience! The crew was knowledgeable, professional and very polite. We will certainly call them again.”

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Electrical Repair in Broomfield, CO 80020

July 22, 2022

“Ben was concise, professional, and informative while checking out the issue at my home. Let me know my options and added his suggestions as well. All on short notice- he was able to come out in about an hour from when I first called. Appreciate the process all around, thank you!”

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Electrical Replacement in Westminster, CO 80021

July 22, 2022

“Ben was very informative and helpful. Very nice as well. So glad I have this company to help me. They have the best staff!”

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Air Conditioner Repair in Arvada, CO 80005

July 22, 2022

“Ulises was great. I was unable to be there for the appointment but he worked with me over the phone (my ‘adult’ son was home) and explained everything he did and was doing. He was really thorough and very polite. I was super stressed about what might be wrong with my 28 year old system…

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Ductless Mini-Split Installation in Boulder, CO 80304

July 21, 2022

“We just had a 4-zone mini split / heat pump system installed along with a 200amp service change by the Kappler team. We were thoroughly impressed and delighted with the Kappler team through the whole process of our challenging project, from start to finish. Our initial site evaluation and assessment was very thorough and well…

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Air Conditioner Maintenance in Louisville, CO 80027

July 21, 2022

“Nick was terrific. He was professional, courteous, and informative. I appreciate the work and specs being explained to me in a way that I can understand.”

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Air Conditioner Maintenance in Boulder, CO 80304

July 19, 2022

“Nick did a fabulous job!”

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Air Conditioner Repair in Broomfield, CO 80023-3603

July 19, 2022

“Always helpful, courteous and prompt.”

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Air Conditioner Repair in Lafayette, CO 80601

July 19, 2022

“Very professional! Great service!”

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Ductless Mini-Split Maintenance in Longmont, CO 80503

July 19, 2022

“Nick was great. Very thorough and excellent communications.”

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Air Conditioner Maintenance in Westminster, CO 80234

July 18, 2022

“As always Kappler has been wonderful. They have helped with my parents and our own air conditioner and furnace. Every time they come, it has been a great experience. They take their time, always thorough and precise. They make sure at the end that they explain all that they have done on the service call.…

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Air Conditioner Repair in Broomfield, CO 80023

July 18, 2022

“My air conditioner went out in 90 to 100 degree weather. Called Kappler for Monday morning appointment. They came out early at 8:00 A. M. and finished before 8:30 A. M. They had parts with them. And I had my air conditioner purring along at 8:30 A. M.. I could hardly believe it. Their service…

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Air Handlers Replacement in Erie, CO 80516

July 18, 2022

“Aside from inflationary rising costs (the new blower motor costs $800!), I have always been pleased with Kappler Mechanical. Been with this home heating-A/C service company for nigh 15 years (in two different homes). While I trust every technician that has serviced my home(s), I have developed a special comfort with Ulysses (Uli). Uli is…

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Gas Furnace Replacement in Westminster, CO 80031

July 15, 2022

“I wish all sales personal where as much a pleasure to work with as Kimm. My compliments to the professional of the whole Kappler team.”

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Air Conditioner Maintenance in Thornton, CO 80241

July 15, 2022

“Nick called to say he could be early if that was convenient for me … it was! So he arrived shortly thereafter. He was really friendly and made friends with my dog! He checked my air conditioner and then updated me on his findings and gave recommendations. It was all good information. I appreciated his…

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Air Conditioner Installation in Louisville, CO 80027

July 15, 2022

“Excellent installation experience. As always Kappler employees are professional, very nice, share information and answer questions.”

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Air Conditioner Maintenance in Broomfield, CO 80023

July 15, 2022

“It was the best”

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Air Conditioner Maintenance in Thornton, CO 80241

July 15, 2022

“Technician was prompt, thorough, knowledgeable, courteous, efficient and friendly. They installed the system, they maintain the system. Works great! What more could you ask for!”

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Air Conditioner Repair in Louisville, CO 80027

July 14, 2022

“Technician, Josh, was on time to the minute. He spotted the problem right away, disconnected condensate pump and fixed it and then explained how that part of the system worked in case it ever got disconnected again. Great work, AC is working well”

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Air Conditioner Maintenance in Broomfield, CO 80022

July 13, 2022

“Nick did a great job explaining whst he was doing and why. Best of all he didn’t treat me like a dumb housewife who knows nothing about mechanical issues of her own home’s HVAC system.”

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Air Conditioner Repair in Broomfield, CO 80020

July 13, 2022

“Everything was great. He was very thorough friendly.”

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Air Conditioner Maintenance in Broomfield, CO 80023

July 12, 2022

“Ulises was great, very thorough and efficient!”

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Air Conditioner Repair in Lafayette, CO 80026

July 12, 2022

“Josh was extremely knowledgeable. He explained the problems and causes and discussed future maintenance and services to avoid problems in the future. I will definitely be using Kappler for all Heating and Air needs.”

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Air Conditioner Repair in Westminster, CO 80234

July 12, 2022

“We have had such a great experience with Kappler! They are our go to service and repair company for our furnace and air conditioner. Nick was fabulous! We returned home to a broken air conditioner and Kappler was able to diagnose and repair the unit the next day before the hot weekend. Very happy with…

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Air Conditioner Installation in Arvada, CO 80210

July 11, 2022

“I am very happy with my experience with the guys from Kappler Mechanical. Our main AC was replaced with a new efficient Amana AC system. The workmanship was done professionally and efficiently, and everything has been cleaned up and restored to just like they were never here. 2 big thumbs up.”

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Air Conditioner Repair in Broomfield, CO 80020

July 11, 2022

“Great tech”

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Air Conditioner Maintenance in Broomfield, CO 80021

July 11, 2022

“Great young man. Excellent service”

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Air Conditioner Repair in Boulder, CO 80303

July 11, 2022

“Ulises was very helpful and practical. I’d recommend Kappler to anyone.”

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Air Conditioner Installation in Thornton, CO 80233

July 8, 2022

“Alex and his Co Workers all did a wonderful and thorough job on the installation of my new AC unit. They worked great as a team and I was satisfied with my service with Alex, Adrian and Kapplar Mechanical in all! I highly recommend their service!”

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Air Conditioner Maintenance in Broomfield, CO 80212

July 6, 2022

“Nick, my technician did a very THOROUGH check of my AC system, answered all of my questions and addressed all my concerns. I recommend Nick and Kappler wholeheartedly!”

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Gas Furnace Installation in Broomfield, CO 80023

July 5, 2022

“Beck was great!!!”

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Air Conditioner Repair in Thornton, CO 8692

July 5, 2022

“Ulises listened to what was happening and explained what he thought was going on. He kept me up to date with his findings and gave his feedback on how to avoid future AC problems.”

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Air Conditioner Repair in Thornton, CO 80602

June 24, 2022

“Josh is THE MAN! Worked on 2 visits to find the problem … couldn’t be more pleased at the responsiveness and professionalism!”

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Air Conditioner Maintenance in Broomfield, CO 80020

June 24, 2022

“He was quick and efficient. Also gave us some pointers about our furnace and AC unit that we didn’t know about or to do.”

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Home Automation System Maintenance in Lafayette, CO 80026

June 24, 2022

“Very personable, knowledgeable, and troubleshot my 1050 control/thermostat without any issues. Thanks!”

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Air Conditioner Maintenance in Erie, CO 80516

June 22, 2022

“Nick was on time, courteous and efficient. He was an enjoyable person to talk with.”

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Air Conditioner Repair in Boulder, CO 80304

June 22, 2022

“Very good tech.”

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Air Conditioner Repair in Arvada, CO 80004

June 22, 2022

“I’ve been utilizing Kappler for over 20 years. They provide quick service at a fair price with knowledgeable techs.”

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Air Conditioner Repair in Longmont, CO 80504

June 19, 2022

“Josh was knowledgeable, professional, and did exactly what was needed to get the a/c back up and running. Thank you Josh for the excellent service!”

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Air Conditioner Repair in Louisville, CO 80027

June 18, 2022

“Kappler installed our AC and has provided excellent service ever since! We had 2 small issues, both on Saturday’s and they had their on call tech to us within 2 hours (Ulises is great). They stand behind their work and I would recommend them to a friend. Good company and good people.”

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Air Conditioner Repair in Westminster, CO 8002

June 18, 2022

“As always from the phone call asking for help to the end result they are very professional and helpful. Always discussing the issues, the charges and other helpful information. Thank you and appreciate knowing I can trust Kappler Mechanical and their technician Ulises. Mary”

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Ductless Mini-Split Installation in Boulder, CO 80302

June 17, 2022

“Every part of the process of working with Kappler was easy. Every one was considerate, professional, and respectful. I would (and will) highly recommend your company!”

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Air Conditioner Maintenance in Broomfield, CO 80111

June 15, 2022

“Excellent staff that provides 5 star service, highly recommended.”

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Electrical Installation in Broomfield, CO 80023

June 15, 2022

“Ben did great work on the EV charger installation. He shared his plan for completing the work and executed it perfectly. Looks great and everything is ready to roll.”

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Air Conditioner Maintenance in Thornton, CO 80127

June 15, 2022

“Nick was friendly on time and efficient.”

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Air Conditioner Repair in Westminster, CO 80030

June 14, 2022

“On time, courteous and very knowledgeable. Quickly made the repair and ensured everything was working correctly. What more can you ask for? Highly recommended.”

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Air Conditioner Maintenance in Westminster, CO 80234

June 11, 2022

“Ulises is very professional and provides exceptional service. You are never left with any questions and you know that your system is working top notch.”

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Ductless Mini-Split Installation in Thornton, CO 80241

June 11, 2022

“Brent Monnin and his fantastic crew installed a 5-head ductless mini-split system in our old house. It was a great way to add a/c to a house with no ducts! The crew was meticulous in their work and their cleanup and had the entire system up and running in two days flat. It’s fantastic, I…

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Heat Pump Maintenance in Broomfield, CO 80212

June 9, 2022

“It was just a quote, but Brent was exceptional. Very helpful.”

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Air Conditioner Maintenance in Lafayette, CO 80926

June 8, 2022

“Very pleased”

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Air Conditioner Repair in Broomfield, CO 80023

June 4, 2022

“Quick and courteous”

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Air Conditioner Maintenance in Westminster, CO 80021

June 2, 2022

“Josh was great, very informative and explained everything clearly. Two thumbs up.”

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Air Conditioner Installation in Lafayette, CO 80026

June 2, 2022

“Beck and his crew were professional, informative, and considerate. When it came to my wife and I needing to make decisions, Beck was very good at explaining our options and offer his recommendations. They cleaned up thoroughly, leaving no trace of their job. I highly recommend them!”

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Air Conditioner Maintenance in Broomfield, CO 80023

June 2, 2022

“Very courteous and helpful.”

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Ductless Mini-Split Maintenance in Arvada, CO 46322

June 1, 2022

“Great service as always”

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Air Conditioner Maintenance in Broomfield, CO 80020

May 31, 2022

“Top notch and friendly service as usual.”

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Air Conditioner Maintenance in Superior, CO 80027

May 27, 2022

“Ullises did a great job. He arrived on time and performed maintenance on our AC and our mini -splits. He spent some time explaining the features of the splits to me.”

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Maintenance in Superior, CO 80027

May 26, 2022

“Was great – prompt, efficient.”

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Air Conditioner Maintenance in Lafayette, CO 80026

May 26, 2022

“Great experience”

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Air Conditioner Maintenance in Lafayette, CO 80026

May 23, 2022

“Nick was great”

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Gas Furnace Repair in Thornton, CO 80602

May 23, 2022

“Our furnace stopped working during a late spring snow storm. Kappler was quick to respond to our service request, the technician was prompt in his arrival and repair time, and tbe final cost was exactly what was quoted. Definitely will use Kappler in the future for our mechanical needs.”

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Air Conditioner Repair in Westminster, CO 80030

May 19, 2022

“Wow, seriously stellar service with Josh’s visit this morning to see what’s going on with our AC unit. When you bring an expert in, it’s easy for miscommunications to happen… Josh was completely transparent, informative, and educated me about what he was finding and what the possible outcomes could be depending on what we find…

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Air Conditioner Maintenance in Arvada, CO 80004

May 19, 2022

“Neat and clean arrived on time and Nick did a very good job”

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Gas Furnace Repair in Broomfield, CO 80020

February 18, 2022

“Josh was excellent. He called and arrived early. Diagnosed the problem. Discussed with me what the problem was, and had it fixed in no time. I also asked him about a full service inspection. He gave me the details of what it included, and we did that also. No high pressure sales tactics. Will use…

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Gas Furnace Maintenance in Arvada, CO 80005

February 11, 2022

“Jake was excellent. We have used Kappler for many years and very satisfied.”

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Gas Furnace Repair in Arvada, CO 80004

January 21, 2022

“Josh G and Nick arrived on time, did a thorough diagnostic to determine the problem and explained the issue clearly along with the costs. They were both courteous, professional and friendly. I have used Kappler in the past and will in the future. Kappler is a family business that treats the people they help like…

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