Jim G.
10/27/2025
Great Mills HVAC serve our home and farms and they are excellent. We own Woodlawn and had a heating problem on a wedding weekend. As in the past, we made an emergency call, immediate response...
Great Mills Heating & Air Conditioning
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21305 Great Mills Rd Ste 6
Lexington Park, MD 20653
Great Mills Heating & Air Conditioning, based in Lexington Park, MD, offers fast, reliable HVAC services with a focus on customer satisfaction. They provide same-day service, free estimates, and are fully licensed and insured. Whether its heating, cooling, or emergency repairs, theyre available when you need them most. With years of experience and a commitment to quality, they ensure your home stays comfortable year-round. Trust their expert team for efficient, professional solutions tailored to your needs. For dependable service and peace of mind, Great Mills Heating & Air Conditioning is the name homeowners rely on in Southern Maryland.
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Reviews
3.015 reviewsRyan H.
12/27/2022
Our boiler decided to die the day before Christmas Eve. Matthew was super helpful and got in touch with the owner. I have to say they went above and beyond, showing up on Christmas Eve and the...
Dave S.
9/7/2019
We have been using GMH&AC since 1997. I cannot say enough good things about them. For 22 years they have always been professional, responsive, reliable, friendly and helpful. They serviced our...
Justin L.
10/12/2020
Tech was smart, he knew right away what the issue was, bad thermostat. The only one they had to replace it with was over $300. I declined the install and picked up a basic thermostat from Dyson's...
Ernie R.
6/25/2015
While the company was quick to come out and assess the problem with my AC unit ($99 service charge) and were polite over the phone during my initial call for help...they were completely inept...
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