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About GAC Services
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Awards & Recognition


GAC Services was named the inaugural recipient of the Charles Bryant Award during the 2017 Bryant Dealer Rally in Indianapolis. The Charles Bryant Award, named for the company’s founder, recognizes a loyal Bryant Factory Authorized Dealer (FAD) that epitomizes the characteristics of Charles Bryant, including professionalism, quality, reliability, and community spirit. Learn more about this award.

Award Winning HVAC & Electrical Contractor

Servicing Homes throughout Montgomery County & Frederick County, MD

GAC Services (formerly Gaithersburg Air Conditioning & Heating) is an award winning HVAC and electrical contractor servicing homes in the Montgomery County and Frederick County, Maryland areas. Our commitment to training the best team of licensed HVAC technicians and electricians possible and dedication to outstanding customer service has contributed to our growth and success.

Our Awards

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"We wouldn’t think of using anyone else. We have always been very satisfied with your service and your wonderful staff. ****** rating!"
John Micheal, MD

The GAC Difference

“What do our customers want?” That’s the question that’s driven the way we do business at GAC from the very beginning—back when you might have known us as Gaithersburg Air Conditioning & Heating!

While our name may have changed, the way we do business hasn’t.

UP-FRONT PRICING. 100% SATISFACTION GUARANTEE. ON-TIME SERVICE. FACTORY TRAINED AND NATIONALLY CERTIFIED TECHNICIANS. RESPECT FOR YOUR HOME.

These are just a few reasons why your neighbors love working with GAC. It is this commitment to excellence, along with our friendly and honest professionals that has helped us satisfy tens of thousands of customers throughout Maryland over the years. And it is this that we consider the GAC difference.

The GAC Team

Friendly, Honest, Professional

Our people represent the foundation of the GAC difference, which is why we place such a strong focus on training and providing excellent customer service.

Schedule Award Winning HVAC & Electrical Service

Your home is a significant investment, so don’t just trust anyone to install, repair, or service the heating, cooling, and electrical equipment in your home. If you’re looking for award winning HVAC and electrical service in Montgomery County or Frederick County, contact us today!

Customer testimonials »

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.