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

Gaithersburg Air Conditioning and Heating is the most professional and most referred heating and air conditioning company in the county. From our hometown roots in Gaithersburg, we’ve been tied to Montgomery County and the surrounding area since 1970. For us, our heating and air conditioning business is about developing long-term relationships. Our team of professionals have satisfied tens of thousands of customers over the years and we are ready to meet your needs for heating, air conditioning and indoor air quality improvements. So, if you need a heating tune up, emergency repair on your air conditioner or a heat pump replacement, Gaithersburg Air Conditioning and Heating will be available when you need us and get the job done right the first time.

We understand that your home is an important part of your life and making you comfortable is an important part of ours. You have our personal assurance that we will stand behind all our work.

Our Difference

Our 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 and 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 can expect?

  • On time Service
  • Up front pricing
  • Friendly and knowledgeable technicians
  • Uniformed Employees
  • Trucks fully stocked with parts and materials to get the job done right the first time
  • Work completed in a clean and professional manner

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Awards & Testimonials

Over the years we have received numerous awards. These awards have come from equipment manufacturers, local magazines, internet companies and other consumer groups.

Great customer service, knowledgeable technicians and our focus on our customers, leads to winning awards! Gaithersburg Air Conditioning and Heating Services has even been ranked number 1 for the entire Mid Atlantic region for heating and air conditioning. We have also received ratings for both quality and price in a consumer publication.

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Location & Hours

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Our address is:

227 E. Deer Park Drive
Gaithersburg, MD 20877

Our Phone number is: 877-210-6812

We are open 7:00 am – 6:00 pm Monday –Friday and 7:30 am -12:00 pm Saturday and Sunday. After hours service is available during peak season.


Our Team

Heating and Air Conditioning Professionals

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.

  • On Time
  • Reliable
  • Factory Trained
  • Respectful of 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.