Emergency Service

We Provide Fast and Affordable Emergency Services

Call Us for an immediate response
(303) 762-1421

Air Conditioning Services in Denver, CO: Air Conditioning Repair, Replacement, Installation & Maintenance


Get a Free On-Site Estimate

We have years of expertise in providing heating, water heater, air conditioning and indoor air quality solutions.

(303) 762-1421

Controlling Systems, Inc. is Denver’s go-to turnkey HVAC service. Our techs are Ruud Pro Partner, NATE, and Rinnai certified, and carry current EPA licenses, which means our guys are some of the best in the industry. Our comprehensive suite of air conditioning repair and service includes new air conditioning installation, repair and maintenance, evaporative cooler service, humidifier service and installation, and even air filtration service. Whatever your needs for HVAC service in Denver, Controlling Systems, Inc. has the training and tools to tackle any AC repair, installation, or scheduled maintenance. Call today for a free estimate or explore our full suite of HVAC services.

Air Conditioning Repair in Denver

We’ve earned the trust of Denver residents through our unique approach to air conditioning repair service. We start by sending one of our qualified, uniformed technicians to your property in a company vehicle, where they diagnose any and all issues to supply you with a written, guaranteed quote for repair. We even offer a two year warranty on all our AC repairs, which means we stand behind our work long after we’ve left your house. No matter what’s wrong with your system, we’ve got the hands on experience repairing just about every make and model of AC in the Denver area. When you’re ready for a refreshing and stress free air conditioning repair experience, reach out to Controlling Systems, Inc.

Controlling Systems, Inc. offers a free, no obligation, no pressure, in-home estimate whenever it is convenient for you.

Denver’s Stress Free AC Maintenance Solution

AC maintenance is critical if you want to keep your property comfortable, regardless of the time of year. Besides, inefficient AC systems from forgotten maintenance can cost you serious money! Denver customers who prefer peace of mind, we offer our Preferred Client Program (PCC), which provides annual AC maintenance at a discounted price. In addition to the prescheduled, annual maintenance service, PCC members receive additional discounts on AC repairs, air conditioning replacements, and additional warranty coverage!

Your Local Denver Air Conditioning Experts

A broken or inefficient AC is a major headache for property owners in Denver. The process of new air conditioning replacement and installation leaves a bad taste in many people’s mouths. Luckily, Controlling Systems, Inc. offers one of the quickest and most affordable conditioning installations in the area. We do this by guaranteeing a courteous, professional, and clean experience, from start to finish. Additionally, we offer many different financing options, so you don’t have to worry about breaking the bank for one air conditioning replacement and installation job.

Emergency Air Conditioning Solutions for Denver Residents

Has your air conditioning unit just stopped working out of nowhere? Don’t panic, as you can give us a call at Controlling Systems, Inc. and we will happily come and take care of the problem for you, any time of the day or night. Whether you’re a homeowner or, run or manage a business, we can get you cool quickly during the Denver heat. With our emergency air conditioning services, we will take of you when you need it the most.


Controlling Systems, Inc. is proud to be a Ruud Pro Partner

We have the most extensive knowledge in installing, repairing and maintaining Ruud equipment.


Call Controlling Systems, Inc. in Denver Today!

Founded in 1976, we are a leading choice in the Denver metro area for HVAC repair. We strive to help our customers to reduce their energy costs and usage while increasing the level of comfort in their home or business. Whether you are looking for furnace and ac repair or installation services, you can trust your system in the hands of our capable technicians.