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Special Offers for Nextdoor Members
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  • Exclusive Tune-Up Special
    HVAC Tune-Up

    *Certain restrictions may apply. Offer expires 3/31/2019.

Hello, Nextdoor Members!

Welcome to GAC Services—where we set the standard for Maryland home comfort services. For a limited time, we are offering a $49 tune-up exclusively to Nextdoor members. Act fast because this offer won’t last long!

For total home comfort and efficiency, schedule your HVAC tune-up today!

Our HVAC & Electric Services in Maryland

  • Heating & AC System Installation
  • Heating & AC System Repairs
  • Heating & AC System Maintenance
  • Electrical Installations & Repairs
  • Generator Services
  • And more!

Give us a call to learn more about our HVAC and electrical services. When it comes to home comfort, we’ve got you covered.

Schedule Your Tune-Up Today!
How Can You Benefit from HVAC Maintenance?
  • Extended lifespan on your HVAC equipment
  • Fewer breakdowns
  • Improved energy efficiency
  • Improved home comfort
  • Reduced repair costs

Take advantage of this deal by filling out the contact form or call us at 240-224-3144!

Why Choose GAC for HVAC & Electrical Services?

GAC Services has been providing residents of Montgomery County, Howard County, and Frederick County comprehensive heating, cooling, and electrical services since 1970. By always asking, “What do our customers want?”, we are able to provide the absolute best in home comfort. That’s the question that’s driven the way we do business since the beginning.

Bryant Factory Authorized Dealer. 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.


“GAC responded quickly when our AC failed on the hottest day of the year. Provided excellent consulting and a range of options for replacement of our old system. No pressure. Found ways to work with us on scheduling and initial payment while we were out of town.”

- R. Boisvert

“Always happy with the work GAC does! Saved me lots of money on a new system and I appreciate the reminders they send when my system is due for a tune up.”

- M. Rabil