227 E. Deer Park Drive, Gaithersburg, Maryland 20877
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Heating Services
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Heating Repair in Gaithersburg, MD

Any Gaithersburg resident can attest to the cold winters in Maryland. So it’s understandable that the last thing you want is to come home to a broken furnace or heat pump and a cold house.

Fortunately, GAC Cooling & Heating (Gaithersburg Air Conditioning & Heating) has been performing heating repairs in the Gaithersburg, MD and surrounding areas since 1970. As an HVAC company focused on building a long-term relationship with you, we provide professional and honest service every time you call. With GAC, you’ll receive fast and courteous service, upfront pricing, and knowledgeable technicians.

Don’t sit in the cold! Contact us for heating repair in the Gaithersburg area today.

Our Gaithersburg Heating Repair Services

When your HVAC system breaks down, you need a company you can trust to get the job done right the first time. At GAC Cooling & Heating, we provide repairs on all types of systems, including:

  • Gas, Electric, and Propane Furnaces – Is your gas furnace not producing heat?  Does it kick on and off too frequently? Or if your furnace igniter isn’t working or you’re having other problems with your propane furnace, GAC can help. 
  • Heat Pumps – While heat pump systems are generally an energy efficient HVAC system, like all systems, they can break down. If you’re having problems with your outdoor unit, indoor fan, thermostat, or other components of your heat pump system, contact GAC.
  • Geothermal Heat Pumps – Most geothermal heat pumps require little maintenance. But if you do happen to require geothermal heat pump repair, it’s usually not a DIY project. Call us and we’ll get yours functioning again in no time.
  • And more!

No matter what make or model heating system you have, when your system breaks down, you can trust us to repair it. We also offer emergency heating repairs in the Gaithersburg area on those days when your heating system decides to stop working in the middle of winter.

All of 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 on at your home to fix your furnace or heat pump. 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.

And if you’re looking to avoid potentially costly heating repair, make sure to sign up for a maintenance plan with GAC! In the event that you have a breakdown, you’ll save 20 percent off your system repair.

Why Choose GAC for Your Heating Repair in Gaithersburg?

There are a lot of HVAC companies to choose from in the Gaithersburg, MD area. Our goal is to set new standards in quality heating and cooling services—we want you as a customer for life!

When you call GAC for heating repair in Gaithersburg, you can expect:

  • On-time service
  • 100 percent satisfaction guarantee
  • Up-front pricing
  • Factory trained and nationally certified technicians
  • Fully stocked trucks
  • Respect for your home

Call us today to experience the GAC difference!

Gaithersburg Testimonials

As the recipient of the Angie’s List 2012 Super Service award and the 2013 Bryant Dealer of the Year award, you know you’re getting proper, high quality heating repair with GAC. But don’t take our word for it! See what our customers have to say about us:

Matt D. did an excellent job of explaining the options available for selecting a new Heat pump system for our home since ours had died. He was very patient and thorough when discussing the options and answering our questions. The installation team (Shaun, Jason, Mike, and Brian) did a great job. Also, the duct measurement rep, Dave, did a great job as well. They even laid down a canvas runner to protect my hardwood floors. Thanks!
–Vancelle K. Jones, Gaithersburg

The new zoned system you put in is fantastic. For the first time in 26 years, our upstairs is cool. This intense heat has been a good test for the new system. Thanks so much!
–Rich Steffan, Gaithersburg

From the first appointment, through the total job with each and every technician who worked on this installation, the job was done with perfection. Extremely hard to find a company with this high amount of vigilance and this much integrity. I would highly recommend this company to everyone and feel comfortable with the end product and service you will receive. We look forward to a long relationship… Thank you to everyone at GAC Cooling & Heating.
-Nancy and Ronald Holderman, Gaithersburg

Your technicians are always polite, professional and personable. The gentlemen who performed our new system installation were a true team, and a real pleasure to have around!
-Brooke F. Read, Gaithersburg

I have known and asked for Richard Hoffacker when I first started using your service. He has always been most helpful and reliable. So when it came time for replacement I turned to you again – perfect solution. Everyone from the person answering the phone to installers were wonderful. I will/have recommend you to others in my office and neighborhood.
-Trish Travers, Gaithersburg

Your installation team was prompt and efficient – and finished in much less than the promised time. They took the time to explain how everything worked and should be maintained. We’re very happy with our new heat pump!
-C Silvey, Gaithersburg

Richard’s initial visit to troubleshoot the problem and his explanation of my options. He was knowledgeable, informative, and professional.

I was also very pleased and impressed with the installation team lead by Mike and Shaun. They arrived when they said they would. The work was performed in an orderly fashion and when completed the work area was cleared of debris. The closet where the unit is installed looks 100% better. I had WSSC inspect the installation the next day. The inspector took one look and said everything looks good. He saw the Gaithersburg Air sticker on the duct and said, “that’s a good company, I’ve never had problems with them.” That made me feel even better about my choice.
–Faye Blackwell-Smith, Gaithersburg

We have used GAC Cooling & Heating for the past 13 years. We have always been very satisfied with their service. I would highly recommend them. Everyone we have had contact with has been professional and a pleasure to work with.
-Mary Toohey, Gaithersburg

If John is any indication of the rest of your staff, you just got yourself a long term customer. I appreciate him taking the time to share both the strengths and areas to watch in the heating system. Thank you.
-Jim McIntire, Gaithersburg

I have always had positive experiences with your company. I always feel as if everyone is being truthful and not trying to sell me something I don’t need. Everyone that has serviced my unit has been professional and courteous. Because of this experience, I refer your company to others and I know for a fact that these friends are just as happy with your company as I am.
-Lynda A. Bindseil, Gaithersburg

Excellent service was provided; installation was professionally done.
-David Entin, Gaithersburg

Polite, intelligent people answering the phone and prompt service. Great service!!!
-Peter A. Gregori, Gaithersburg

Your courteous and knowledgeable employees are the best company to ever do work at my home. They did a great job on the installation of a new air conditioner several years ago and now an expert furnace installation. Your work and business is 5-Star in my book. Keep doing what you’re doing.
-Mr. & Mrs. Dickerson, Gaithersburg

It’s not easy to find a contractor that you can trust or rely upon without thinking you’re being taken advantage of. With your organization, I get the sense that I can trust you guys for being honest, reliable and competent. It’s nice to have the same technician come to service the equipment. Your office staff is friendly and helpful. Same day service is certainly appreciated as well.
-Mr. Mukesh Patel, Gaithersburg

I want to thank you for the timely response to replace one of our heater units. Your excellent service and quality of workmanship is very much appreciated.
-Robert L. Bartels, Gaithersburg

I have been a maintenance agreement customer for over 10 years and have never had a bad experience. Your staff has ALWAYS arrived on time, conducted the service efficiently and effectively, and left me a happy customer.
-Elise Heumann, Gaithersburg

I was very happy with the options presented and the very fair resolution to my problem, the install was done great and I have always been happy with your services and prices.
-Katie Gurcan, Gaithersburg

I had used them previously for an AC repair last summer and they were wonderful. Once again, they were on time and did a great job.
-Karen Stoos, Gaithersburg

Your team just installed a new unit in my basement. They were here at 8am and out by 10am. They were very professional and did excellent work.
-Jeffrey J. Behnke, Gaithersburg

GAC Cooling & Heating has been servicing my home for quite a number of years. I trust your service to do a good job and be competitive.
-Frank Cardile, Gaithersburg

Thank you so much for the wonderful service! When the a/c compressor died, I thought we might have to wait quite sometime before anyone would be able to come out to look at it. I called at 6:30pm Thursday evening and left a somewhat frantic message for someone to call in the morning–I received a callback at 7am, and Dave was here promptly at 9am.

By 10am he had already scheduled us for a new a/c unit and coil installation at 1:00pm! Your staff was here early, worked very efficiently, and our unit was up and running by 2:30pm! Being eight months pregnant, I am especially appreciative of the speed at which our problem was resolved. I have only good things to say about your work, and would recommend you to anyone! Thanks again! Your courtesy and timeliness was excellent, making our decision to use you again very easy!
-Brad and Jennifer Ehlers, Gaithersburg

"Your technicians are always polite, professional and personable. The gentlemen who performed our new system installation were a true team, and a real pleasure to have around! "
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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.