GAC Services

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

  • 2013 Bryant Dealer of the Year. The #1 Bryant Dealer in the Country.
  • Inaugural Winner of the Charles Bryant Award
  • 2017 Inaugural Charles Bryant Award Winner
  • 2016, 2017, 2018, 2019, 2020 Circle of Champions Award
  • 2015 ACCA Contractor of the Year
  • 2015 City of Gaithersburg Business Character Award
  • 2014 recognized as one of the top 3 Contractors in the country by ACCA
  • Fourteen-Time Winner of the Medal of Excellence Award in the Mid-Atlantic regions
  • Bryant Pinnacle Award
  • 2018, 2019, 2020 (3X) Best of Bethesda Award
  • 2014-2019 (5X) Angie’s List Super Service Award
  • Blue Ribbon Award in the Montgomery County
  • Contracting Business Quality Home Contracting Award
  • Washingtonian Magazine – Most trusted Contractor

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 »


Join GAC's Prime Maintenance Membership

  • High-performance seasonal tune-ups
  • 20% discount on heating and cooling services
  • 10% off electrical repairs
  • Emergency service
  • Reduced diagnostic fee
  • And more!

Learn About GAC's Financing Options

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$89 Electrical Safety Evaluation

Original Price: $169

Financing Options Available

At GAC, we understand how important a functioning HVAC system is for your home. This is why we offer flexible financing options to help you take care of your new HVAC purchase, so you can get back to taking care of what matters most to you.

Apply Online

Priority Maintenance

A well-maintained HVAC system can save you from having to invest in costly repairs down the road. Learn more about the priority maintenance services offered by GAC Services.

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