(301) 482-0515

Your Trusted Partner for Cooling, Heating, and Electrical Services in Maryland.
GAC Services
GAC Services is an HVAC and electrical company with over 50 years of experience serving Gaithersburg, Maryland. GAC provides comprehensive residential and commercial services to meet the needs of homeowners and businesses throughout Montgomery County, Frederick County, and Howard County.Trusted by Your Neighbors in Maryland
If you’re looking for HVAC or electrical work, GAC Services can meet your needs. Our family-owned and operated company has been serving the Gaithersburg area for over 50 years. We care about our customers and want to keep them comfortable by providing professional, honest, reliable, and valuable indoor comfort and energy solutions.

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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.