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House with Tree

HVAC in Fairfax VA

Serving Homes Throughout Northern Virginia

Need HVAC in Fairfax? Give the Air Treatment Company a call! We're equipped to handle it all, big or small. For over half a century, our highly trained and skilled technicians have delivered premier heating, cooling, duct cleaning, and indoor air quality services to residences throughout Northern Virginia. It is our mission to make your household a more comfortable and safer environment, so that when you get home at night, you'll be able to kick back and relax without having to worry about it being too hot or too cold. That's just the Air Treatment Company way!

We take pride in the reputation that we have built over the years and are considered to be a top-rated company in our industry. Our dedication is to providing fast and friendly service, as well as getting the job done right the first time. You can count on us to arrive on-time, and in time, to service your needs.

The Air Treatment Company Difference

At Air Treatment Company, we respond to all service calls in a prompt and courteous manner. When we arrive at your home, we come with the intention of leaving it in even better shape than when we came. Before any work has been started, we'll thoroughly assess the issues at hand and provide you with solutions best tailored to your needs. We also offer upfront quotes so that you'll know what we're paying for prior to fulfilling your service call. Your satisfaction is our guarantee!

100% Satisfaction Guaranteed

Providing Top-Quality Heating, Cooling, and Indoor Air Quality Services Since 1958

Why Choose
Air Treatment Company?

  • Affordable Coupons & Specials Available.
  • Superior Workmanship at Competitive Rates.
  • We Provide Free Estimates for New Equipment.
  • NATE Certified & Extensively Experienced Techs.
  • Customer Comfort & Satisfaction are Prioritized.
  • Carrier President's Award
  • Angie's List
  • Quality One
  • Tysons
  • BBB Accredited
  • NCI
  • RSES
  • NFPA

Hear from Our
Happy customers

  • Their service is always prompt, efficient, friendly and very thorough.

    “We have been customers of Air Treatment for years.”

    Edith R.

  • Ben was the man of the day, and Air Treatment Company pulled it all together in a matter of hours!

    “I didn't think I could find a company who would come out on a late Friday afternoon, in a few hours notice....AND a company with an honest and fair reputation. Well, I was wrong!”

    Lyn L.

  • If you ever need your a/c or heat fixed, don't hesitate to call this company

    “He walked us through it and told us what we can do periodically to keep our a/c working well in the summer time. He also suggested the best filters to use in our home.”

    Devin B.

  • Quick service. They came out the same day I called.

    “He was very knowledgeable about the issues with the compressor and the expanded warranty that the manufacturer was providing because of these issues.”

    Jason S.

  • I'll definitely go back to Air Treatment and ask for Mike M. specifically.

    “I would highly recommend the Air Treatment Company.”

    Mike W.

Our Location

Proudly Serving Fairfax County & Surrounding Areas


518 Mill Street NE
Vienna, VA 22180
Map & Directions [+]

Request Service Emergency Services Available

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Ceiling Lamp Top Notch Service Everytime

Choose Air Treatment Company for your heating, cooling, duct cleaning, and indoor air quality needs today! We're dedicated to servicing all your indoor comfort needs. We'll have your home feeling right every time you walk through the door.

Get Comfortable