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Rocks Heating & Air

Hello and welcome.  Looks like you found us by typing in Rocks Heating and Air, instead of ROX Heating & Air.  Well that’s ok, it sounds the same but is missing the X baby.  The X Factor, the Xtra, the Xtraordinary.

We are ROX Heating & Air.  Simply put we are the best HVAC Company in Colorado, Denver, Littleton, Highlands Ranch, Lakewood, Aurora, Centennial, Englewood, Arvada, Thornton, Golden, Wheat Ridge and pretty much everywhere else.

We do a lot of advertising on the radio and sometimes it sounds like our name is pronounced Rocks heating and air.  But really it is ROX Heating & Air.   

We specialize in all things HVAC.  Service, Installation and Repair of furnaces, air conditioners, water heaters, tankless water heaters, humidifiers, indoor air purification, commercial HVAC, Roof top units, and many more areas of HVAC.

If you heard Rocks Heating and Air on the Radio, You are in the right place.  ROX Heating & Air.


R – O – X




If you let us take a video of you singing the jingle at your next appointment, we will give you 5% off any service!

Best HVAC Company Denver

Our Promise to you

Once we repair your system, we guarantee our work for 1 full year. If the repair does not solve the problem, we will refund your money for the prior repair. If you wish, we will re-diagnose the problem and repair accordingly for the cost of the new repair. Also, if at any time you are dissatisfied with our service, we will refund you the full amount of our service call and labor charges. We are truly 100% committed to providing you with the best HVAC service and want you to be excited to tell your friends about the quality of our company.


  • Arvada
  • Aurora
  • Castle Rock
  • Centennial
  • Cherry Hills Village
  • Commerce City
  • Denver
  • Englewood
  • Golden
  • Greenwood Village
  • Highlands Ranch
  • Ken Caryl
  • Lakewood
  • Littleton
  • Lone Tree
  • Morrison
  • Northglenn
  • Parker
  • Thornton
  • Westminster
  • Wheatridge

Brands We Service

  • Amana®
  • American Standard®
  • Aprilaire®
  • Armstrong Air®
  • Bryant®
  • Carrier®
  • Coleman®
  • Ducane®
  • Frigidaire®
  • Goodman®
  • Heil®
  • Honeywell®
  • Lennox®
  • Payne®
  • Rheem®
  • Ruud®
  • Trane®
  • York®

Schedule A Free Estimate

Are you in the market for a New HVAC System, Furnace Installation, Air Conditioner Installation, or Water heater Installation?  We provide free estimates on new installations and would be happy to help you.  Call Or Text us at 720-468-0689

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Contact Information

Hours of Operation

Monday-Friday: 7:00AM – 11:00PM
Saturday: 9:00AM – 4:00PM
Sunday: 10:00AM – 2:00PM