227 E. Deer Park Drive, Gaithersburg, Maryland 20877
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(877) 210-6812
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About Us

Gaithersburg Air Conditioning & Heating’s (GAC) difference comes from our people, our standards, and our commitment to excellence. We are focused on providing our customers with what they want. Friendly, honest professionals, who are on time, reliable and focused on getting the job done right the first time.
Gaithersburg Air Conditioning & Heating is setting new standards in quality heating and air conditioning service. It is our goal for you to be so pleased with our work that you refer our services and you become a customer for life!

What can you expect?

  • On Time Service – You can have confidence in our customer service team. We have a completely integrated dispatching system that connects all of our technicians to our central office. Our technicians can see schedule changes in real time while in their trucks and our customers never have to wait all day for service.
  • 100% Satisfaction – Everything we do is designed around building and developing long-term relationships. In fact, when you install a new system with us we guarantee that the system will operate properly. If the new system has a mechanical issue that can’t be resolved we will provide you with a new replacement system or we will remove the system completely.
  • Up Front Pricing – At Gaithersburg Air Conditioning & Heating, we provide pricing based on the job not by the hour. This means our technicians will tell you the price of the job prior to beginning the work. This provides our customers with a better understanding of the costs and options prior to work being done.
  • Factory Trained and Nationally Certified – When a Gaithersburg Air Conditioning & Heating technician comes to your door you can feel confident that a professional is entering your home. Each year our technicians go through factory class room training and Nationally Accredited tests to ensure our technicians are the most knowledgeable and have the skills to install, service and repair your comfort system.
  • Uniformed Employees – When one of our employees comes to your home you can feel comfortable knowing that we have high standards. All employees of Gaithersburg Air Conditioning & Heating go through a pre qualification process that includes background checks. We have too many customers who rely on us to perform work in their home when they are not home so our employees must be of the highest moral standards.
  • Fully Stocked Trucks – To ensure that your job will be handled in an efficient manner and that your job is completed on the first visit, our trucks are stocked with the necessary parts, material and tools required to perform the work.
  • Respect For Your Home – We understand that we are guests in your home. Drop cloths and boot covers and special care are taken while in your home.
"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! "

We proudly serve the following locations in Maryland:

Montgomery County: Ashton, Barnesville, Beallsville, Bethesda, Boyds, Brinklow, Brookeville, Burtonsville, Cabin John, Chevy Chase, Clarksburg, Damascus, Derwood, Dickerson, Gaithersburg, Garrett Park, Germantown, Glen Echo, Kensington, Laytonsville, Montgomery Village, Olney, Takoma Park, Poolesville, Potomac, Rockville, Silver Spring, Spencerville, Urbana, Washington Grove

Howard County: Clarksville, Columbia, Cooksville, Dayton, Ellicott City, Fulton, Glenelg, Highland, Woodbine

Frederick County: Adamstown, Braddock Heights, Buckeystown, Frederick, Ijamsville, Middletown, Monrovia, Mt. Airy, New Market

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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.