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Licensed & Insured 
Gregory Heating and Air​
Emergency Service

(703) 430-4019
35 Years of Experience 
We exceed expectations.
  • Water Heaters

  • Gas Unit Heaters

  • Rooftop Attic Fans

  • Electric Unit Heaters

  • Rooftop Package Units

  • Boilers

  • Furnaces 

  • Duct Work

  • Heat Pumps

  • Thermostats

Welcome Air Conditioning services in Sterling

Gregory Heating and Air Conditioning has been in the business for over 30 years and we've been lucky enough to learn a thing or two over those years. We've even worked hard to  make sure that our staff knows the most up-to-date information about all of your heating and cooling needs. Keeping you cool and warm is our goal! Air Conditioning services in Sterling Air Conditioning services in Ashburn Air Conditioning services in Herndon

We believe in an honest approach to our work.

For All Your

Home Comfort


Stay warm this winter and cool this summer thanks to Gregory Heating and Air based in Sterling, Virginia. We specialize in heat pump and system, installation, and maintenance. Whether you need basic maintenance or an entirely new system, we are here to help.​

Fan blades rotating
We’re here when you need us.