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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."

"Replaced both my compressor and air handler which was nearly 50 years old, rewired and plumbed everything, added and removed ducting as needed to provide a clen install. Team was fast and professional During the initial quote/Inspection worked with me to understand my cooling needs and did not ty to upsell me. Scheduling was quick and they were even able to move up my install date. I would recomend them to anyone."

"No Frost contacted the original installer and determined that the unit was under warranty."

"Saved me $$! BGE home checked my furnace and said I needed to replace lots of stuff. Doug came out and identified the real problem and saved me hundreds of dollars. Definitely would recommend this company."

"The plumber that came out was professional and knowledgeable. Talk me through the process before starting and after installation cleaned up well, then tested everything to make sure there was no leaks in the system."

"Carlos was great, he explained everything in terms I could understand! I had to have another company come out last year because A/C went out, they were ok. I will always come back to McCrea! McCrea has been the company that my family has been with for at least 30 years!"

"UPDATE: it just takes 1 person to sour the pot. I do not recommend Beltway for large jobs. I found an issue after job was done and, inexplicably, someone who could not fix the issue was sent out. Even worse, they returned the next day and STILL didn't do what they were supposed to do, even after agreeing with me via text about what needed to be done. I am so angry and dissappointed. However, what I stated below is still true. ORIGINAL: The install went smoothly, the team was professional and did a fantastic job of keeping my house clean - which is incredibly hard when working with plaster. The estimate to complete the job was 3 days and it was done in 3 days."

"The installation team - Ramone Rivera - was professional and kind - great work"

"Excellent service. Installed central AC in half a day! Ac is top quality and it works perfectly."

"Dennis was able to explain the install and operation of the heater. Installation was efficient and on time."