Controlling Systems

At Controlling Systems, we're your one-stop shop for reliable and professional HVAC services in the Denver metro area. With over four decades of experience, we've been a trusted partner for countless homes, ensuring their comfort level throughout the changing seasons. Whether you're facing a malfunctioning air conditioner on a hot summer day or need furnace repairs to keep your home warm during chilly Denver winters, our qualified technicians can handle it all.

Founded in 1976, we have decades of experience helping our customers to reduce their energy usage while increasing their comfort. At Controlling Systems, we pride ourselves on being Denver's #1 premier HVAC contractor, as well as being a Ruud Pro Partner. This means we have extensive knowledge in installing, repairing, and maintaining Ruud heating and cooling equipment. We have expertise in the installation, preventative maintenance, and servicing of all heating, air conditioning, and indoor air quality products from all major HVAC brands.

Our Services

We offer comprehensive heating and cooling services for your Colorado home, including air conditioning and furnace maintenance. Our services also extend to electrical and solar solutions, ensuring your home is powered and heated efficiently. We install, repair, and maintain boilers, heat pumps, and solar power systems, providing year-round comfort and improved indoor air quality.

Client Reviews

We're proud of our client reviews, which speak to our commitment to excellent service. "Izzy was on time, knowledgeable, and helpful!" "Controlling systems was great to work with, Andy the service technician made it all happen just hours." "Absolutely, 100% love this company." These testimonials reflect our dedication to delivering exceptional results and ensuring customer satisfaction.