Your Local Montgomery, Frederick, Howard County & Carroll County HVAC Contractors Since 1970

Furnace, Heat Pump & 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 and nationally certified technicians can diagnose and repair any heating issue, whether it be furnace- or heat pump-related.

When you need heating repairs in Montgomery, Frederick & Howard counties, MD, contact GAC Services! We’ll send an experienced technician to fix your heating system in no time! Call us today at (240) 233-8498

Maryland Heating Repair Services Offered by GAC Services

With over 50 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 – A heat pump is an energy-efficient furnace alternative with many components that can break down, including the outdoor unit, indoor fan, thermostat, and other pieces of equipment. When this occurs, contact GAC for repair service.
  • 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 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 so that 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.

 Contact us today for heating repair service, and to prevent costly heating repairs, ask us about our Prime Maintenance Membership plans.

Furnace Repair in Gaithersburg, MD

During cold weather in Maryland, you depend on your furnace to keep your family comfortable and your home protected. When your gas, oil, or electric furnace malfunctions or fails, you can count on our experts at GAC Services for a quick response and reliable, long-lasting repairs. Our technicians are thoroughly trained and equipped to handle any major or minor furnace problem. A 100% satisfaction guarantee backs all our furnace repair services, and we also feature an on-time service guarantee so that you are never left waiting unnecessarily.

Do you need help with a furnace problem in Gaithersburg or the surrounding areas? Give our experts a call today at (240) 233-8498 or contact us online to schedule furnace repairs.

Common Furnace Repair Issues

A furnace breakdown or failure during a Maryland winter can be inconvenient or dangerous, depending on the weather conditions. When you need your furnace repaired quickly and effectively, turn to our team at GAC Services. We feature fully stocked service vehicles to expedite repairs, and we can solve most common furnace problems on the first visit, such as:

  • Thermostat or zoning control failures
  • Clogged air filters or duct obstructions
  • Faulty blower motor, fan, or belt
  • Heating element failures or tripped breakers on electric furnaces
  • Faulty wiring, sensors, or limit switches
  • Dirty burners or flame sensors on furnaces
  • Leaking or clogged flues
  • Faulty gas valves or igniters on gas furnaces
  • And more

Get the help you need for your furnace quickly. Call (240) 233-8498 or contact us online to schedule furnace service today!

Heat Pump Repair in Fredrick, MD

Is your heat pump acting up, freezing, or just not heating well at all? Make sure your heat pump is in good hands by choosing GAC Services for heat pump repairs. We have over 50 years of industry experience. We offer fast, effective troubleshooting and repairs for all common heat pump problems, from clogged filters or frozen coils to relay failures or faulty compressors. Our team is here to help with all your heat pump problems, and we offer fast service throughout the Frederick area.

Keep your family comfortable with fast, friendly heat pump repairs from our team at GAC Services. Call (240) 233-8498 today or contact us online to schedule heat pump service anywhere in Frederick, Gaithersburg, or the surrounding communities.

Common Heat Pump Repair Needs

At GAC Services, we see a variety of heat pump problems each week. Our fully stocked vehicles and highly trained professionals are ready to step in no matter the problem, but some issues are more common than others. If you notice any of these problems, it is likely time to call for heat pump repair:

  • Refrigerant is leaking from the system.
  • The outdoor unit is iced over because of a faulty defrost cycle.
  • The reversing valve is not working, so the unit cannot switch between heating and cooling modes.
  • Electrical failure prevents the compressor and fan motors from operating.
  • The heat pump is short-cycling.
  • Thermostat problems prevent proper operation.
  • Loose or malfunctioning components are causing rattling or pinging noises.

At the first sign of these problems, call the Maryland heat pump experts at GAC Services. Call (240) 233-8498 or contact our team online for experienced, knowledgeable heat pump repair services.

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.

Contact us today to schedule heating repair in Gaithersburg or Frederick, Maryland.

Why Choose GAC Services for Your Maryland Heating Repair Needs?

“What do our customers want?” That’s the question that’s been driving the way we do business at GAC Services 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. We offer:

  • Upfront pricing
  • A 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 Services. This commitment to excellence, along with our friendly and honest professionals, has helped us satisfy tens of thousands of customers throughout Maryland over the years. And it is this that we consider the GAC Services difference.

Contact us online or call us at (240) 233-8498 for a free replacement estimate on a new heating system or schedule service today.


Join GAC's Prime Maintenance Membership

  • High-performance seasonal tune-ups
  • 20% discount on heating and cooling services
  • 10% off electrical repairs
  • Emergency service
  • Reduced diagnostic fee
  • And more!

Financing Options Available

At GAC, we understand how important a functioning HVAC system is for your home. This is why we offer flexible financing options to help you take care of your new HVAC purchase, so you can get back to taking care of what matters most to you.

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Priority Maintenance

A well-maintained HVAC system can save you from having to invest in costly repairs down the road. Learn more about the priority maintenance services offered by GAC Services.

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