Professional and Friendly: That’s how we do business!

Heating Repair Services in Maryland

Furnace, Heat Pump, and Hybrid Heating System Repair

When you need heating system repairs in the Gaithersburg or Frederick, MD areas, GAC Services has you covered. We understand the importance of keeping your family warm and comfortable during the cold winter months in Maryland. Our team of factory trained, nationally certified, and NATE certified technicians can diagnose and repair any heating issue, whether it be furnace, heat pump, or geothermal heat pump related.

When you need heating repairs in Gaithersburg or Frederick, Maryland, contact GAC Services.

Heating Repair Services Offered by GAC

With 45 years of industry experience under our belts, GAC Services repairs all makes and models of heating equipment, including:

  • Gas, Electric, and Propane Furnaces – Not sure if your furnace is producing heat? Do you notice your furnace turning on and off more or less frequently compared to normal? If so, there may be an issue with your gas, electric, or propane furnace. If this happens to you, call GAC Services for help.
  • Heat Pumps – An energy efficient furnace alternative, there are many components to a heat pump that can break down—the outdoor unit, indoor fan, thermostat, and other pieces of equipment are all susceptible to break downs. When this occurs, contact GAC for service.
  • Geothermal Heat Pumps – Like a traditional heat pump, geothermal heat pumps require very little maintenance; however if you notice your geothermal heat pump is not working properly, request a repair estimate from GAC.
  • And more!– Contact us to learn about our other heating repair services in Maryland.

Don’t get stuck living in a cold house when your heating system decides to call it quits. GAC Services also provides emergency heating repair services in Gaithersburg, Frederick, and the surrounding areas. We’ll send a technician to your household as quickly as possible in order to make your home comfortable once again.

Our service vehicles are stocked with the most common heating repair parts and we keep a wide variety of high quality parts in stock. This means our technicians are sure to have what they need on hand when they arrive at your home. Between our highly skilled technicians and our heavily stocked warehouse, we can ensure that your heating repair will occur in an accurate, timely, and professional manner.

To prevent potentially costly heating repairs, make sure to ask us about our Prime Maintenance Membership plans!

Schedule Heating Repair in Maryland

If your heating system breaks down, we have you covered. Our fully stocked warehouses and maintenance vehicles are equipped for any repair, and we’ll have your home’s heating system up and running in no time.

To schedule heating repair in Gaithersburg or Frederick, Maryland, contact us today or request an online estimate.

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.


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 for a free replacement estimate on a new heating system or to schedule service today.

We’re looking forward to serving you and hopefully making you a customer for life!

Not sure what the problem is?

Our troubleshooter can help!

get started now »