B&B Air Conditioning & Heating Service

B&B Air Conditioning & Heating Service has served Maryland, DC and Virginia since 1957 from seven locations, one of them in Sterling. It installs and repairs oil and gas furnaces, boilers, heat pumps, ductless mini-splits, geothermal cooling, central air and ductwork, and also sells water heaters and whole-home generators. Technicians train through its own Institute of Advanced Heat Pump Technology, founded in 1991. Installations carry a two-year warranty that includes a complimentary service maintenance agreement. Emergency service runs 24/7, service plans and financing are listed, and free second opinions are offered. Rated 5.0 from 364 Google reviews, 358 of them five stars. Weekday hours are 7:30 to 5:30, with Saturday hours as well. Residential and light commercial clients are both served.