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"Could not have asked for better service. The recommended product is working great, the installers were professional and so far the service technicians are top notch."

"I was referred to Grove by a family member after receiving estimates from two other companies. Garrett Grove arrived on time to provide an estimate. He was efficient, knowledgeable and unlike the other two companies, did not waste my time with a bunch of useless chatter. After reviewing my system, he was able to write up and print out an estimate on the spot. He went over the warranty and explained what all was included in the installation price. This process took approximately one hour. I went with the high efficiency system which vented to the outside of the house rather than up the chimney. After showing me what the outside venting would look like, I was not pleased with the appearance of the vents so Garrett showed me an alternative. Unlike the other sales people, Garrett was able to show me brochures with pictures and information of exactly what I was buying and online images so I knew precisely what I was getting. A down payment was made and a date established for installation. The team arrived on time and went about their job with little disruption to my household. I was kept informed of the progress and was told when I would lose water and/or heat while the installation was performed. I was consulted along the way as to where I wanted various pipes vented to the outside. The job took two days to complete. When the men were finished, they cleaned up the work site and showed me various points about the system, set up the thermostat and explained how it worked. While Grove's system was certainly not the least expensive, I am confident that I received a quality system and installation, and anticipate that I will continue to receive quality service in the future."

"Excellent customer service. HVAC installers were great, showed up on time. Dave and Allen answered my many questions during the install. I Interviewed several local HVAC companies before deciding on Beltway. Highly recommend"

"The job went reasonably well. They completed it in a day and a half. The guys on site had a little trouble installing the high tech thermostat for the system, but their supervisor demonstrated real accountability when he showed up on a Saturday to make it right."

"We have a backup sump pump that I discovered had been installed improperly by someone else  (7 years ago).  Also, the check valve was leaking. Doug (owner) came out the same day and fixed it all up for us, making sure it was tested and good to go.  He was very friendly and easy-going, as well as diligent and professional.  Highly recommend them."

"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."

"I couldn't be happier with the service I received from McCrea Heating and Air Conditioning Services of Maryland. Upon returning from vacation on a 100 degree July day, I found my old HVAC system basically dead (90 degrees in my kitchen!) ... Shane immediately came out to provide an estimate, we signed a contract on the spot, and he kindly provided some freon to hold me over until the new system could be installed. Brian and Nick showed up exactly on time to install the unit, used drop cloths to protect my flooring, and were exceedingly polite and professional throughout. I'd highly recommend this organization."

Serving Mount Airy & Surrounding Areas Since 1949\nOne Hour Air Conditioning & Heating® of Mount Airy is proud of its long history serving the Mount Airy community. Our business began in 1949 as a furnace and air duct company. In the 1950s, we began building custom homes and commercial buildings. However, we devoted our attention to HVAC work full-time in 1993. Since then, we focused on making the residents of Mount Airy, Frederick, Gaithersburg, and surrounding areas in Maryland comfortable in their homes.

"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."

"Except for a glitch in communication as to when they were coming to install, things went very well."