GAC Services

227 E Deer Park Dr
Gaithersburg, MD 20877 301-926-3253
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Prices for GAC Services

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Consumer Ratings for GAC Services — 913 Ratings

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Complaints for GAC Services

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Areas Served by GAC Services:

  • DC–NE
  • DC–NW
  • Howard Co.
  • Montgomery Co.

Equipment company services/installs:

  • Air duct cleaning
  • Humidifiers
  • Air ducts (sheet metal work)
  • Central air conditioners
  • Electric furnaces
  • Gas furnaces
  • Electronic air cleaners
  • Heat pumps
  • Window air-conditioning units
  • Attic fans

Consumer Comments for GAC Services

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Consumer from POTOMAC, MD
May 29, 2025
It seemed to me that the charge for the repair $3000 far exceeded the cost of the part ($300) and labor (less than 1 hour). My fault for not getting other estimates due to having a service contract with the company for many years.
Consumer from BETHESDA, MD
Apr 29, 2025
GAC is consistently excellent. Wish all service providers were as good.
Consumer from ROCKVILLE, MD
Jan 22, 2025
GAC installed a Mitsubishi mini-split heat pump in my sunroom which replaced a 20 year old system that didn’t work. Work was done professionally. I’m happy I have this system given the recent cold temperatures.

...and 201 more consumer comments for GAC Services