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


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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 NATE, Rheem Factory, 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! Our NATE certified techs are some of the best in the industry, and with quick and professional service, provide one of the least stressful AC maintenance services in Denver!

Your Local Air Conditioning Installation 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. As an independent, locally owned Denver business, and you know that your dollars are staying right here in the community. If you aren't satisfied with any of our services, our President Bill East will personally accept your call and find a solution to your issue.

Residential and Commercial Air Conditioning Services

With hands on experience serving both the residential and commercial communities, we’ve been able to optimize our air conditioning repair, installation, and maintenance services. Our team can handle the different considerations of specific residential or commercial needs, because, since 1976, we’ve been providing overall superior AC repair services to customers of all types. We’re confident our decades of experience translate into exceptional service at affordable rates. When you’re ready for a pleasant HVAC service experience, call Controlling Systems, Inc.


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

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