About Thomas J. Fannon & Sons
Thomas J. Fannon & Sons is a second-generation business serving Northern Virginia with heating and air conditioning equipment. Known for their expertise, they have a reputation for successfully resolving complex issues, even with uncommon heating systems like dual zoned boilers. Customers appreciate their responsiveness, arriving quickly for same-day service calls. They are praised for their honesty, only charging for necessary repairs and avoiding unnecessary pressure to replace units. Fannon's commitment to customer satisfaction has earned them long-term loyalty, with some families entrusting them with their systems for decades.
I was blown away with their prompt response to replace a defective a/c coil. They quickly obtained a replacement part and replaced the unit within days. Will use them from this point forward. Brandon and Jack Fannon were professional , courteous and prompt.
Called Fannon based on a good recommendation from my realtor.
Heat went out on my old gas furnace on a Sunday (while at church no less, that doesn't seem right). Moved into my house recently and needed to find a good HVAC contractor.
I had never bought anything from Fannon and obviously wasn't on their customer list during their busy season because of this long cold snap. So I wasn't sure what I was in for, trying to get on an HVAC contractor's list for emergency work. The Sunday staffer explained that they'd have to juggle schedules a little because I'm in Annandale and no one had a route planned to the west in Annandale for Monday so he couldn't give...read full review
When my A/C broke on a hot summer weekend, TJ Fannon sent a team of expert technicians out first thing Monday morning. They diagnosed the problem quickly, had what they needed to fix it, did so efficiently, and gave me the option to install a safety to prevent the problem from happening again. They were respectful, competent, and fast, as well as affordable compared to what I hear my neighbors have paid for similar repairs. I will certainly continue to use TJ Fannon for all my HVAC/AC needs!