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Keeping Indoor Climates Just Right High Quality Service at a Fair Price. Come Home To Comfort in Fairfax County

High Quality Service at a Fair Price. Come Home To Comfort in Fairfax County

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David Gaspar Install Technician

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The Air Treatment team leaving the main office and tackling a day of delivering HVAC services to the Fairfax & Loudoun County communities.

Keeping Indoor Climates Come Home to Comfort

Serving Sterling, VA Since 1958

Ask Us About Our 0% Financing Ask Us About Our 0% Financing

Take advantage of our 0% financing offer and make your purchase today without paying any interest! Enjoy easy, affordable payments and bring home what you love now.

  • Air Conditioning Contractors of America
  • NATE
  • ASHRAE
  • NFPA
  • RSES
  • NCI
  • BBB Accredited
  • Tysons
  • Quality One
  • Angie's List
  • Carrier 2013 President's Award
  • Carrier 2018 President's Award
  • Carrier
  • Carrier President's
  • 2025 Carrier President's Award
Areas We Serve

Air Treatment Heating & Cooling is proud to serve Sterling, Virginia and other surrounding areas

  • Alexandria
  • Annandale
  • Arlington
  • Ashburn
  • Bailey's Crossroads
  • Belle Haven
  • Buckhall
  • Burke
  • Cascades
  • Centreville
  • Chantilly
  • Dale City
  • Dulles
  • Dunn Loring
  • Fair Oaks
  • Fairfax
  • Fairfax Station
  • Falls Church
  • Fort Belvoir
  • Fort Hunt
  • Franklin Farm
  • Gainesville
  • Great Falls
  • Groveton
  • Hamilton
  • Herndon
  • Huntington
  • Idylwood
  • Kings Park West
  • Kingstowne
  • Lake Barcroft
  • Lake Ridge
  • Leesburg
  • Lincolnia
  • Linton Hall
  • Lovettsville
  • Manassas
  • Mantua
  • Marumsco
  • Mason Neck
  • McLean
  • Middleburg
  • Mount Vernon
  • New Baltimore
  • Newington Forest
  • Nokesville
  • North Springfield
  • Oakton
  • Occoquan
  • Purcellville
  • Reston
  • Rose Hill
  • Round Hill
  • Springfield
  • Sterling
  • Sudley
  • Vienna
  • West Falls Church
  • West Springfield
  • Wolf Trap

Top Notch Service Every Time

Meet Our Team

Why Choose Us?

  • Affordable Coupons & Specials Available.
  • NATE Certified & Extensively Experienced Techs.
  • Customer Comfort & Satisfaction Are Prioritized.
  • We Provide Free Estimates For New Equipment.
  • Superior Workmanship At Competitive Rates

Stay In The Know

Happy Customers in Your Neighborhood

    “I am completely satisfied with his work.”
    “Air treatment company has been a very reliable and well-run company as far as I know and I will continue to carry a maintenance program with them.”
    - Marlene H.
    “We liked their service so well we never looked else-where when we needed a new furnace.”
    “Our association with Air Treatment has lasted 45 years! You can't beat that.”
    - Beverley V.
    “They not only performed the work for an honest price, but they went above and beyond to ensure a job well done!”
    “Honest, helpful, responsive, and super professional.”
    - Amanda C.
    “The quality of the service is excellent, and the people are informed, polite and personable.”
    “Their rates are quite reasonable.”
    - Stuart L. K.

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  • By submitting, you agree to receive text messages from Air Treatment Heating & Cooling at the number provided, including those related to your inquiry, follow-ups, and review requests, via automated technology. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency may vary. Reply STOP to cancel or HELP for assistance. Acceptable Use Policy