Thomas J. Fannon & Sons

Thomas J. Fannon & Sons began in 1885 selling coal and wood at Duke and Henry Streets in Alexandria and is now a family-owned heating and cooling company with 135 years behind it. It installs and services air conditioning, heat pumps, gas and oil heating, ductless mini-splits, boilers and water heaters, and it handles conversions between fuel types as well as indoor air quality work. Replacements, retrofits and new installations of boilers, furnaces and air conditioners are part of the work, and the team recommends and designs the system that fits each home. Free estimates are offered. Service agreements are available for oil equipment and for gas and heat pump systems. Rated 4.2 from 72 Google reviews, 54 of them five stars and 13 one star.