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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."

"On time & priced before installing."

"The process was easy and the service top notch from the estimate with the sales rep to scheduling and the install. Ill recommend them to anyone who needs heating and air services."

"I was dealing with another company and called Holtzople for a 2nd opinion. From my very first phone call to the final installation I was very pleased with the service and response time. Not only did they send someone out the same day, they did not charge for the 2nd opinion and gave me thorough explanation as to what was going on. They were also very timely in getting me set up for the installation of my new AC. I couldn't be more pleased with this company and I tell everyone I know about them. Pam F."

"Went well. It was determined that the initial installation did not include the thermostat controller and that had to be rectified. Seems to be working well now."

"They checked a/c unit and provided a maintenance. Good job"

"Perfect! Doug is an expert Plumber that knows private water system. He removed the old equipment and installed the new. Everything is still working great. The work was done almost 13 years ago. We used all Top of the line Gould Equipment. I probably should call Doug to replace it again because breakdowns with the water system can leave you stranded."

"I called and left a message on Sunday about needing someone Monday. They called me back Mon morning and came in the afternoon quoting a visit price of $60 and would quote further work after examination. The plumber came at the beginning of the estimated time period and gave us a quote to install the faucet we had bought and replace both valves (one of which had stopped working) of $350 total. The work was accomplished quickly and professionally."

"I couldn?t be happier with the experience. Graham Solution handled the entire installation from start to finish, and the quality of the work was outstanding. He was professional, knowledgeable, punctual, and paid close attention to every detail. The installation was completed efficiently, everything was left clean when the job was finished, and the system works perfectly. It?s hard to find someone who takes this much pride in their work, and it definitely shows. I highly recommend him to anyone looking for reliable, high-quality HVAC installation. Excellent workmanship and great customer service from start to finish!"

"The technician did an excellent job installing the faucets in the very tight space. He was professional and I would be happy to work with him again."