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"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."

"Blake M. was able to work thru issues created by installation in a double wide vs. a stick built house. Service was professional and pleasant. Blake kept me informed every step of the way toward project completion. Area was left spotless."

"Drew did an excellent job installing our chandelier."

"The installer was very efficient and when finished, he explained everything. Very pleased!"

"Adam was so helpful explaining how the ductless heater/ac unit would fit in my sunroom. His three workers were great. Cleaned up the area after they finished, the job was done in about 4 hours. Got three estimates and Weather Masters was the lowest and could install the next day. I also decided to sign a contract for seasonal checkups on my furnace and central air conditioner. I think anyone would feel comfortable hiring them."

"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!"

"SALES MEN TOTALLY AND COMPLETLY EXPLAINED EVERYTHNG & ANSWERED ALL QUESTONS. ALL WERE ON TIME ALL 10 DAYS, VERY POLITE. SUPERVISOR KEPT ME INFORMED EVERY STEP OF THE WAY. VERY MUCH APPREICATED. CLEANED UP AFTER EVERYDAY,. EXCELLENT WOULD GIVE THEM 10 STARS IF I COULD. GREAT COMPANY. THEY ALWAYS CHECKED TO BE SURE SUBCONTRACTORS WORK WAS SUPERIOR & DONE CORRECT. THANK YOU TO ALL WHO WORKED ON MY LARGE PROJECT. MRS. L INSUTALED TWO CENTRAL AC/HEAT SYSTEMS. AND ALL THE DUCK WORK."

"I would highly recommend ARS. The staff was professional and courteous. They even provided two window units until we could have our system installed."

"Professional and efficient. Chris did an A/C repair on a part under warranty from another company. He quickly coordinated getting the new part through the warranty and completed the repair quickly. Will recommend to others."

"Customer service was excellent!! The job was done in a timely manner. Service on our A/C unit was excellent. Would highly recommend this company."