Coupons & Specials

Save $50 Off Any Service Repair

  • Contact us for more details using the button below
  • Valid on service repairs only
  • Cannot be applied towards diagnosis or trip charges
  • Not valid with any other offer or special
  • Offer subject to change without prior notice
  • Hurry! Limited time offer!
Get A Free Estimate

Up to $1,000 Off Any Furnace and Air Conditioner System Replacement

  • Receive up to $1,000 off when replacing BOTH your furnace and air conditioner!
  • Controlling Systems, Inc. is a premier heating and cooling service contractor providing expertise in installation, preventative maintenance and service for all your home comfort systems
  • Not valid with any other offer or special
  • Offer subject to change without Prior notice
  • Hurry! Limited time offer!
Get A Free Estimate

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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.