Located in Denver - Controlling Systems has been serving Colorado since 1976. As a premier service contractor we have expertise in providing air conditioning and electrical repair, plumbing services, HVAC and installation solutions. Our primary goal is your Satisfaction! In addition, we also have experience in boiler repair and replacement.

We are a professional organization which takes pride in providing comprehensive heating and cooling solutions, no matter the size or scope of the job.

If you are interested in Solar PV systems, or hot water solar heaters give us a call! Our technicians are certified by N.A.T.E., Rinnai, OSHA, EPA and we are an honorable member of the Colorado Better Business Bureau. We service all brands and take pride in our work!