YOUR #1 INDOOR COMFORT SPECIALISTS PROVIDING A CURE FOR DISCOMFORT

HVAC Services in Loudoun County

We Deliver the Best in Home Comfort

For more than five decades, Air Treatment Company has served the home comfort needs of our valued customers in Loudoun County. Our company values the comfort, safety, and security of our customers. We are fully licensed, bonded, and insured. Our technicians are NATE certified, experienced, fully background checked, and drug-free. We work hard to stay informed of all the changes and advances in our industry to bring you the very best quality products and service.

Quality Service & Expert Installation

Whether you need a new heater, AC, heat pump, generator, or water heater, choosing a product with the right capacity to accommodate the needs of your home is crucial for your comfort and the energy efficiency of your home. We offer high-quality products from the best brands in the business, and will help you select the right equipment for your home. Free estimates are offered for new equipment installation.

We install and replace the following types of equipment

  • Furnaces
  • Heat pumps
  • Central air conditioners
  • Water heaters
  • Generators
  • Air purifiers
  • Whole house humidifiers and dehumidifiers
  • UV lamps
  • Air Knight
  • Better Air Filters

    Proper installation is important for maximum performance. Our technicians have the necessary training to ensure that your new equipment is installed for optimal performance and energy efficiency. They participate in ongoing training in the latest advancements in HVAC equipment, as well as customer service training to provide you with the best possible experience.

    Repair & Maintenance Services

    Our exceptional service extends beyond sales and installation. We offer repairs and maintenance of heating and cooling equipment. If you are having trouble with your existing system, our NATE certified professionals have the technical skills to diagnose the problem. We explain the work that needs to be done, review your repair options, and provide upfront pricing for you to approve before the repair is performed. Our Loudoun County HVAC services are unmatched by any other company in the area.

    When you need new equipment installed or repairs for your existing equipment, call the Air Treatment Company (703) 270-0881 for industry-leading service!

    • Carrier President's Award
    • Angie's List
    • Quality One
    • Tysons
    • BBB Accredited
    • NCI
    • RSES
    • NFPA
    • ASHRAE

    100% Satisfaction Is Our Guarantee!

    Hear What Our Customers Have to Say
    • “Money well spent.”

      Chris S.

    • “Their staff is consistently courteous and very professional.”

      Ralph P.

    • “Glad to have these guys watching our unit to make sure it's working in peak order. 2 thumbs up.”

      Zenon S.

    • “Sarah was very responsive to my scheduling needs for which I am very grateful.”

      Kevin

    • “I highly recommend him and his company for top-notch service.”

      Cookie L.

    • “Polite, professional and timely.”

      Sam L.

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

      Devin B.

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

      Jason S.

    • “I can't say enough about the professionalism from Air Treatment Company.”

      E P.

    • “The quality of the service is excellent, and the people are informed, polite and personable.”

      Stuart L. K.

    • “They arrive when promised and explain everything they are doing.”

      Kevin V.

    • “Air Treatment Company should be every home owner's HVAC company!”

      Christin K.

    • “Fast service, quick identification of the problem, and easy solution.”

      Anon

    • “Dan Fisher has always given us excellent service.”

      John M.

    • “Detailed orientated and always does a very thorough inspection.”

      Brenda F.

    Comfort You Can Count On

    • Stellar Workmanship at Affordable Prices

    • Free & Detailed
      In-Person Estimates

    • Highly Trained & NATE Certified Technicians

    • Full-Service Heating & Cooling Company

    Schedule a Service

    We'll Get the Place Feeling Just Right!
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