240-224-3144
Is It Time for a New HVAC System?
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Since our doors opened in 1970, GAC Services has been keeping our customers comfortable by providing home comfort solutions throughout Montgomery County, Frederick County, and Howard County. So is it time to replace the heating and cooling system in your home? Take advantage of this limited-time offer to get a FREE furnace* when you purchase and install a combined furnace and cooling system.

Popular complete system packages include:

Don’t sell yourself short when it comes to such an important investment in your home! Our comfort consultants can help you find a system that fits your needs. Call today to learn more about this LIMITED-TIME OFFER!

*For a limited time, we are offering a free furnace with the purchase and installation of a combined furnace and cooling system. The cost of the furnace will be subtracted from the AC & Furnace System. The cost of the furnace is based from a Legacy® series 80% furnace. Labor and Material are not included in the free giveaway. Utility rebates may be available based on service requested and equipment chosen for installation. Generator discounts are based on kw size 11-16kw savings of $375 and 22kw $500. Certain restrictions apply. We reserve the right to amend or terminate these offers at any time. Prior installations do not quality. See dealer for details.


WSSC: 72505 HVAC:02-7541 ELECTRIC: 4172

"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

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.