240-224-3144
Licenses
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Licensed HVAC & Electrical Contractors in Maryland

At GAC Services, we pride ourselves on providing outstanding service—but you can’t provide excellent HVAC and electrical services without the appropriate licenses! That’s why we our proud to announce our license numbers to all of our existing and potential customers, so they know that we’re licensed and certified to perform the best possible HVAC and electrical services in their Maryland homes.

Our Licenses

We have the following licenses that are valid throughout Maryland:

  • Maryland State HVAC License: 7541
  • Electric License: 4172
  • Master Gas Fitter License: 88516

To verify these license numbers, check out:

If you still have any questions or concerns, we’d be happy to address them! Feel free to contact us online or give us a call at 240-224-3144 to learn more or to schedule service.

Our Community Involvement

Additionally, it’s important to us that when we’re providing high quality services to our neighbors throughout Montgomery County, we’re also involved in the community. That’s why GAC Services is proud to be a member of the Montgomery County Chamber of Commerce, which is an independent non-profit membership organization taking action to help businesses thrive in a strong regional economy.

"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 been driving 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.

Contact us online to learn more or to schedule service today. We looking forward to serving you and hopefully making you a customer for life!

We Proudly Serve the Following Areas 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

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.