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GAC Services Headquarters
Rich Biava, Tony Petrolle and Bill Wetzel. GAC Services owners from left to right.
Proudly serving Gaithersburg since 1970!
Cracked condensation pan
A day of internal training for our licensed electricians.
GAC Services HVAC Contractor

Serving Gaithersburg and the Montgomery County region, GAC Services is your full-service plumbing, HVAC, and electrical team -- available for residential & commercial needs. From emergency frozen pipe or water-heater repairs to furnace and air-conditioning tune-ups, whole-house generator installations, indoor air-quality upgrades, and electrical panel improvements, our licensed local team brings decades of experience, transparent pricing and respectful service you can count on. Winter is around the corner -- let us keep your home or business safe, comfortable and running smoothly.

Website: gacservices.com

Phone: (240) 428-2479

Response 1 min. Response rate 100%

Open now

  • Fri Open 24 Hours

227 E Deer Park Dr Gaithersburg, MD 20877 ·146.08 mi

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Reviews

yelp
3.0 232 reviews
5 star
103 4 star
10 3 star
9 2 star
14 1 star
97
Meena B. 06/12/26

i will give 5 stars to boyland electic they are curtious they are efficient i really dont know what else to say meena

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Donna J. 10/16/26

If I could give zero stars I would. I have used GAC for electric and HVAC services in the past, and have been very satisfied. In fact, 3 years ago, they got a 5 star review from me. I have paid...

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Charles C. 10/01/26

I scheduled an appointment for an HVAC repair and called the day before to confirm. When I asked what time the technician would arrive, I was told that the service window was from 8:00 AM to 5:00...

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Denise K. 09/30/26

Just had my heating maintenance agreement service performed by Roberto Mongo from GAC. He was friendly, efficient and very courteous. Denise K

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Todd J. 07/28/26

I was a GAC customer for approximately 15 years and maintained a service agreement throughout that time. Unfortunately, my experience over the past year caused me to lose confidence in the...

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