The staff and technicians are always respectful, professional, knowledgeable, and show up on time.
Khadijah Alibhai
F"Beyond My Expectation for Excellent Services"
No hype, no hard sell, but a common-sense approach to identifying our system and its overall needs.
Frank Biviano
M"The entire operation is top notch"
The entire operation at Air Treatment is top notch.
Mark Stahl
J"Very pleased we chose Air Treatment Co."
I now have a brand-new set of systems that work beautifully, along with a great team of knowledgeable, skillful, and considerate technicians.
Joe Oz
The Best Service
The best service. Everyone should have a yearly maintenance contract. Very professional and so kind and caring. Love this company.
Louise Lighthart
Service Was Excellent
The problem was quickly taken care of and the service was excellent.
Petra Engle
Consistently Great Experience
Consistently great experience with Air Treatment Company for HVAC maintenance. The staff and technicians are always respectful, professional, knowledgeable, and show up on time.
Khadijah Alibhai
Beyond My Expectation for Excellent Services
This was the first meeting with Air Treatment personnel that went beyond my expectation for excellent services. Dillon was an HVAC system font of knowledge, explaining in detail the HVAC cleaning system and benefits. No hype, no hard sell, but a common-sense approach to identifying our system and its overall needs.
Frank Biviano
The entire operation is top notch
The entire operation at Air Treatment is top notch. Pricing (paramount), scheduling, timing, technicians—knowledgeable, polite, tidy, informative. Amazing.
Mark Stahl
Very pleased we chose Air Treatment Co.
After many years with one of the largest heating/AC service providers available in the Northern VA area - who got too big to provide good customer service to the little guy - I'm very pleased that we chose the Air Treatment Co. I now have a brand-new set of systems that work beautifully, along with a great team of knowledgeable, skillful, and considerate technicians. Patrick B., one of the team, just provided us with our springtime maintenance; he did a great job and is welcome back anytime! Thanks, Patrick.
Serving Ashburn, Leesburg, Sterling, Aldie, South Riding, Purcellville, Round Hill, Lovettsville, Loudoun County, Hamilton and beyond
HVAC Loudoun County
Keep your heating, ventilation, and air conditioning system in peak condition with Air Treatment Heating & Cooling as your trusted HVAC company. Our approach combines thorough inspections, precise maintenance, and timely repairs to ensure your system runs smoothly all year round. Whether you're battling the summer heat or the winter chill, Air Treatment Heating & Cooling's team is equipped with the latest tools and knowledge to address any issue, big or small. Our HVAC company prioritizes energy efficiency and comfort, aiming to extend the lifespan of your HVAC unit and improve your indoor air quality.
Choose an HVAC company that guarantees comfort and efficiency. Dial (703) 270-0881 to connect with the experts at Air Treatment Heating & Cooling.
At Air Treatment Heating & Cooling, we have been fortifying homes across Northern Virginia for over 50 years. Our mission is to enhance comfort and safety, providing you with confidence in our thorough heating, cooling, and air quality solutions. Our team is ready to serve with integrity and a commitment to exceptional service.
Why Choose Us:
Prompt, reliable service with transparency and upfront quotes
Stay cool through the summer and schedule your A/C safety & performance check today. Don’t get caught breaking a sweat - just $89!
*Must be mentioned at time of booking appointment. Price is per system. Cannot be combined with any other offer. Residential only.
Valid
Apr 1, 2026
- May 31, 2026
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0% for 60 Months
Spring into Savings with 0% Interest Financing on New Carrier HVAC Systems!
Upgrade your home’s comfort without breaking the bank! For a limited time, get 60 months of 0% interest* financing on new Carrier HVAC system installations. Call today for your free estimate!
*Subject to credit approval and program restrictions. Installation & Claiming: 3/1/26-6/30/26. Last day of claiming: 6/30/26. Must claim at: CarrierIncentives.com. Promotion terms subject to change or cancellation without notice.
Valid
Mar 1, 2026
- May 31, 2026
Download
FREE
Annual Maintenance Membership with new HVAC System Install
Call for details!
Residential only. Cannot be combined with any other offers.
Download
$89 AC Safety & Performance Check