Get matched with top central a/c service or repairers in Olney, MD

"Very quick service and very friendly and knowledgeable technician."

"Supreme was polite, professional, and timely. They serviced the system and explained what items require repairs for long-term efficiency. I was very pleased and contacted them again for another system's servicing."

"Outstanding service. Edmond was very honest and completed the job flawlessly. I picked Hocomo to replace the whole unit with a new one."

"I contacted 3MMECHANICAL to replace my hot water heater and repair my thermostat. Each visit was very professional and pleasant. He took his time to ensure he understood the issue, and the work was completed in a timely fashion. Not to add, he came outside of his work zone to service me! I would always recommend 3MMECHANICAL."

"I contacted Bluestar Air Mechanical for a second opinion after an appointment with Air One. I have a Carrier HVAC system, and the Air One technician recommended a complete system replacement, claiming the blower was bad, the furnace control board needed replacing, and that there were other issues. Since replacing the HVAC is a big investment, I wanted to get a second opinion. It was only after comparing the service from Bluestar that I realized Air One may have been pushing for a new system sale or lacked the expertise to properly diagnose and repair the actual problems. Isaac, the technician from Bluestar, spent about an hour thoroughly diagnosing and fixing the issues. He found burnt wiring in the furnace and discovered that the wrong capacitor had been incorrectly installed in the AC. Isaac replaced the burnt wiring in the furnace and the capacitor in the AC. After these repairs, my Carrier system was back up and running—without the need for a costly replacement. Bluestar, and Isaac in particular, demonstrated professionalism, expertise, and honesty. They focused on resolving the actual issues instead of pushing for an unnecessary system replacement. I highly recommend Bluestar for their reliable service and Isaac’s thorough and knowledgeable work."

"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."

"Excellent service from the first phone call, to expert recommendation, to sales negations to installation. I was very impressed with McCarthy Services and would highly recommend them."

"They responded our request timely. The technician is very professional and did everything neatly and timely. We are very happy with their services."

"We received speedy and exceptional service. Service person Leron was professional, honest and knowledgeable. He was able to diagnose and repair the problem. Thank you! We highly recommend this company."

"I hired Ward Services to replace my AC and furnace in 2023, then again in 2026 for my new home, as well as regular maintenance and system check up since 2023. Their service is consistently professional, and the cost is reasonable comparing to the estimates by some big HVAC companies. The lead technician always takes time to explain in detail the existing problems and options. Highly recommended."