Proudly Serving Heroes.
Proudly Serving Homes.
Reliable comfort. Local experts.
Honoring those who protect & serve.
GAC Services is an HVAC, Electrical, and Plumbing company with over 50 years of experience serving Maryland.
GAC provides comprehensive residential and commercial services to meet the needs of homeowners and businesses in Anne Arundel, Prince George’s, Montgomery, Frederick, Howard, and Carroll Counties.
Trusted by Your Neighbors in Maryland
At GAC Services, we deliver premium home comfort with trust, respect, and care — to your home and to the heroes in our community. We’re your neighbors, your partners in comfort, and your go-to team for reliable, lasting solutions.
Why Choose GAC?
“What do our customers want?” It’s a question that drives the way we do business every day. We strive to be more than just an HVAC and electrical contractor—our goal is to improve people’s lives through better comfort, enhanced efficiency, and greater reliability. We are proudly setting new standards in the Maryland HVAC and electrical market one home at a time! Consider the many reasons why your neighbors love working with GAC.
Local. Licensed. Here.
Neighbors serving Montgomery, Howard & Frederick.
Planned Comfort Saves Money.
Maintenance plans prevent breakdowns and save big.
Service With Respect.
We treat your home like our own. Clear, honest, on time.
We Support Those Who Serve.
Special discounts and priority scheduling for heroes.
Need expert help with an HVAC, Electrical, Plumbing, or Indoor Air Quality issue?
Schedule Top-Rated HVAC, Electric, Plumbing, or Indoor Air Quality Service, Today!
Need expert help with an HVAC, Electrical or Indoor Air Quality issue?
Schedule Top-Rated HVAC, Electric, Plumbing, or Indoor Air Quality Service, Today!
Award Winning HVAC, Electrical, & Plumbing Contractor
Our commitment to training the best team of licensed HVAC and Plumbing technicians and electricians possible and dedicated to outstanding customer service has contributed to our growth and success
GAC Prime Maintenance Membership
One of the best ways to protect your HVAC system is with a Prime Maintenance Membership. Enroll today to receive these additional outstanding benefits:
Creating Happy Customers Since 1970
Since opening our doors in 1970, GAC has satisfied tens of thousands of customers throughout Maryland. Our ability to deliver professional and reliable HVAC services has never wavered over the years because we remain dedicated to customer satisfaction and fair employee treatment.
Our Service Area
GAC Services provides HVAC, electrical, and plumbing services to your neighbors in Anne Arundel, Prince George’s, Montgomery, Frederick, Howard, and Carroll Counties.