227 E. Deer Park Drive, Gaithersburg, Maryland 20877
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(877) 210-6812
About Us
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Awards & Testimonials

GAC Cooling & Heating (Gaithersburg Air Conditioning & Heating) is an award winning HVAC contractor serving the Frederick County and Montgomery County, Maryland areas. As the largest Bryant Dealer in the nation—and the 2013 Bryant Dealer of the Year—we focus on training and providing excellent customer service to easily meet the manufacturer’s requirements for being a “Factory Authorized Dealer” or an “A Plus Dealer.” For us, receiving these accreditations from the manufacturers is great, but it is also just the starting point.

Because of our high standards and guiding principles, we go much further to ensure our customers receive the best service they can get from a heating and air conditioning company. As an example, all of our technicians go through a series of background checks before they are hired. We have a library of training books and materials that we encourage and provide incentives for technicians to study and pass tests. Our technicians are not only factory trained, but also nationally certified. In fact, our training goes beyond our technicians. Our office staff is highly trained to answer all your heating, cooling, and service questions and provide excellent customer service. Our ultimate goal is to make you comfortable.

Our Awards

Over the years we have found that great customer service leads to winning awards for quality, satisfaction, and performance. Some of our awards include:

  • 2015 ACCA Residential Contractor of the Year
  • 2013 Bryant Dealer of the Year
  • Eight time recipient of the Bryant Medal of Excellence (MOE) award
  • Highest ratings in the Washington Consumer Checkbook Magazine (since 1978!)
  • Rated as “Best of the Best” and “Old Reliable” in Washingtonian Magazine
  • Recognized as one of the “5,000 Fastest Growing Companies in America” by Inc. Magazine in 2010
  • Voted “Best of Montgomery County” by readers of Gazette Magazine in 2012
  • Recognized with Angie’s List “Super Service Award” for the past five years

Schedule Award Winning HVAC Service

When you’re ready to experience awarding winning HVAC service with GAC Cooling & Heating, give us a call. Our HVAC company services the following Maryland areas and more:

  • Bethesda
  • Damascus
  • Frederick
  • Gaithersburg
  • Germantown
  • Kensington
  • Potomac
  • Rockville
  • Silver Spring
  • Urbana

Give us a call or click here to find out if you’re in our service area.

Angies List Super Service Award 2001 Angies List Super Service Award Montgomery CountyAngies List Super Service Award Montgomery County

"Your technicians are always polite, professional and personable. The gentlemen who performed our new system installation were a true team, and a real pleasure to have around! "

We proudly serve the following locations in Maryland:

Montgomery County: Ashton, Barnesville, Beallsville, Bethesda, Boyds, Brinklow, Brookeville, Burtonsville, Cabin John, Chevy Chase, Clarksburg, Damascus, Derwood, Dickerson, Gaithersburg, Garrett Park, Germantown, Glen Echo, Kensington, Laytonsville, Montgomery Village, Olney, Takoma Park, Poolesville, Potomac, Rockville, Silver Spring, Spencerville, Urbana, Washington Grove

Howard County: Clarksville, Columbia, Cooksville, Dayton, Ellicott City, Fulton, Glenelg, Highland, Woodbine

Frederick County: Adamstown, Braddock Heights, Buckeystown, Frederick, Ijamsville, Middletown, Monrovia, Mt. Airy, New Market

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The information on this website is for informational purposes only; it is deemed accurate but not guaranteed. It does not constitute professional advice. All information is subject to change at any time without notice. Contact us for complete details.