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Top-Rated Central a/c installers in Gaithersburg - Updated Nov 2026

Avatar for Wenbrooke Services
Wenbrooke Services
4.6(
107
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Warranties offered

"Josh and his crew were professional, on time and explained the install throughly. Josh installed a wall charger for my electric vehicle, disconnect shut off switch in the garage, ran cabling from a new 60amp circuit, additional receptacles in the garage I asked for, whole house surge protector, and more. It was a big job! The best part is my kids were still able to distance learn in the bedrooms without interruption of power while install occurred. Josh answered questions I had even after the job was complete over his personal cell phone when I followed up with a call. This makes for great customer service! Iâ ll definitely be using Wenbrooke for more services in the future. Nice work gentlemen!"
Commercial Sign
Dinning room fixture
Commercial Office
Kitchen Pendants
Response time11 hrs
88 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for GAC Services
GAC Services
4.7(
295
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"I’m back again to write another stellar review for GAC. Last year they replaced our HVAC system; this year we circled back and had them install a home generator. This was a long and drawn out process due to the various approvals needed from Montgomery County as well as coordination with Washington Gas (which ended up not just being a simple sign off but necessitating an additional, expensive upgrade to the gas line from the street to our home). Nevertheless, GAC did a fantastic job shepherding this process over the 6+ months of waiting on stakeholders, and they were also maximally accommodating to our family’s significant constraints on time and availability (due to health concerns related to a medically fragile family member). A special kudos to Sandy M, GAC’s master electrician, who took it on personally to ensure we were taken care of all throughout this process, going above and beyond with phone calls, text messages, personal visits, etc. on behalf of my family, I want to thank GAC and am giving top marks across the board for this effort which was complex , lengthy, and ultimately successful."
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6 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Hecomo
Hecomo
5.0(
11
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved

Credit card accepted

Customers say: True professional

"From not having a water supply for my whole home bypass humidifier, to having a repaired, new water supply line and instant winter comfort. All in less than two hours. Thanks Edmond and team for getting me taken care of right after I arrived home from work. Wealth of knowledge, too, about HVACs warranties, and other good general advice for first-time homeowners like myself! Glad to have signed-up tonight as a member - eligible for discounts tonight and future maintenance services. Highly recommend!"
Heating & A/C Project
Heating & A/C Project
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+8

Response time8 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for Heil Plumbing & Hvac
Heil Plumbing & Hvac
4.9(
252
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1975

Free estimates

Emergency services offered

"Great, Heil fixed the plumbing for my irrigation off the main, it was leaking and a mes. They cleaned it up and installed new PVC. It works great and no issues. Fair price. I'd hire them again. Paul"
Response time9 hrs
26 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Buric Heating and Air Conditioning
Buric Heating and Air Conditioning
4.7(
20
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Not always as responsive as I'd have liked beforehand, had a discussion with them about it. Install went well despite a cure ball I gave them the morning of the installation."
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+7

Response time8 hrs
15 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"We had them Replaced furnace and air conditioning unit. It was installed about a year ago but they came out for a regular service about a month ago. the service was free, part of the contract. I have no complaints, it was all good. They were responsive. they were punctual. I have no problems, it was a good deal when I bought it, it's a good deal now. I don't have any issues with how the service went. i bought it through them and I have no regrets and everything was the same as I felt when I bought it. It was a good deal, I made the right choice. Anytime you buy a major system and it doesn't go right you have a problem. I'm a happy camper.1 worker took less than an hour to complete."
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6 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Tetteris HVAC
Tetteris HVAC
4.7(
192
)
Central A/C - Install

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

At Tetteris HVAC, we take great pride in our 25 years of experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job. Call us today!

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11 neighbors recently requested a quote
Recommended by94%of homeowners
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