Krafft Service Corporation

Family-owned since 1940, Krafft Service Corporation serves homes and businesses in Alexandria, Arlington, Fairfax, McLean and Woodbridge. It installs, repairs and maintains furnaces, air conditioners, heat pumps, single-zone and multi-zone ductless systems and high velocity small duct systems, and it also does commercial mechanical work and indoor air quality. Recommendations rest on heat loss and heat gain calculations. Emergency repairs run 24/7, financing is available, and technicians are NATE certified and work on all makes and models. The team is fully insured, and a one-year warranty is mentioned. Rated 4.9 from 1,759 Google reviews, 1,704 of them five stars. Thermostat services, indoor air quality support and high-SEER equipment for new installations are listed, and customers can request an appointment or see specials online.