Air Conditioner Repair in Thornton, CO 80602

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

- Mike M.

Air Conditioner Maintenance in Broomfield, CO 80020

“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.”

- Jacquie W.

Home Automation System Maintenance in Lafayette, CO 80026

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

- Chris B.

Air Conditioner Maintenance in Erie, CO 80516

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

- Wayne B.

Air Conditioner Repair in Boulder, CO 80304

“Very good tech.”

- Eddie T.

Air Conditioner Repair in Arvada, CO 80004

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

- John W.

Air Conditioner Repair in Longmont, CO 80504

“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!”

- Michelle Y.

Air Conditioner Repair in Louisville, CO 80027

“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.”

- Daniel B.

Air Conditioner Repair in Westminster, CO 8002

“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 W.

Ductless Mini-Split Installation in Boulder, CO 80302

“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!”

- Amy L.

Air Conditioner Maintenance in Broomfield, CO 80111

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

- James O.

Electrical Installation in Broomfield, CO 80023

“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.”

- Rich G.

Air Conditioner Maintenance in Thornton, CO 80127

“Nick was friendly on time and efficient.”

- Liz R.

Air Conditioner Repair in Westminster, CO 80030

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

- Shawn S.

Air Conditioner Maintenance in Westminster, CO 80234

“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.”

- Katherine R.

Ductless Mini-Split Installation in Thornton, CO 80241

“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 highly recommend them!”

- Patrick F.

Heat Pump Maintenance in Broomfield, CO 80212

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

- Katelyn A.

Air Conditioner Maintenance in Lafayette, CO 80926

“Very pleased”

- Joseph M.

Air Conditioner Repair in Broomfield, CO 80023

“Quick and courteous”

- Paula M.

Air Conditioner Maintenance in Westminster, CO 80021

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

- Don A.

Air Conditioner Installation in Lafayette, CO 80026

“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!”

- Adam A.

Air Conditioner Maintenance in Broomfield, CO 80023

“Very courteous and helpful.”

- Susan T.

Ductless Mini-Split Maintenance in Arvada, CO 46322

“Great service as always”

- Chris C.

Air Conditioner Maintenance in Broomfield, CO 80020

“Top notch and friendly service as usual.”

- Michael B.

Air Conditioner Maintenance in Superior, CO 80027

“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.”

- Susan L.

Maintenance in Superior, CO 80027

“Was great – prompt, efficient.”

- Ronda V.

Air Conditioner Maintenance in Lafayette, CO 80026

“Great experience”

- Jason B.

Air Conditioner Maintenance in Lafayette, CO 80026

“Nick was great”

- Harlan M. Z.

Gas Furnace Repair in Thornton, CO 80602

“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.”

- Keith W.

Air Conditioner Repair in Westminster, CO 80030

“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 at the next step. While sometimes it’s nice to be hands off and just let the expert do their job, as a homeowner, I feel it’s important to understand how the equipment in my home works and what possible problems could occur given the current circumstances. Josh’s service, communicativeness, and general vibe tops any experience I’ve ever had when it comes to home repair services. Thank you Josh!”

- Bridget M.

Air Conditioner Maintenance in Arvada, CO 80004

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

- Stan P.

Gas Furnace Repair in Broomfield, CO 80020

“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 them again.”

- Tim V.

Gas Furnace Maintenance in Arvada, CO 80005

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

- Dennis C.

Gas Furnace Repair in Arvada, CO 80004

“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 family.”

- Frank P.

Installation in Broomfield, CO 80020

All the Kappler people were fantastic to work with and very professional. They completed the work quickly and with high quality and customer service.


Installation in Boulder, CO 80301

Jake was great! Not only was he incredibly nice, but he was also equally knowledgeable about our system and the maintenance that was needed. Many thanks.


Installation in Arvada, CO 80002

Probably the best company of any kind we have worked with.