GAC Services

GAC Services is a residential cooling, heating, and electrical contractor.

Based out of Gaithersburg, MD, GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business.

With our mobile app, you can…

Schedule reminders to change your air filters and perform seasonal maintenance to your home comfort systems.

Contact us in a variety of ways, in a simple tap- especially handy in an emergency!

Request an appointment or consultation around your schedule!

Access money saving rebates, specials and tips on heating & cooling your home.

Ask questions and get answers direct from the experts.

Browse our Product and Info Centers to access...

- Products Descriptions, Key Features and Images

- Ratings

- Brochures, Warranty Cards and Owner Manuals

- Industry FAQ's and Home Comfort Tips

iDiagnose your system to help identify potential issues

and more…