B&B Air Conditioning & Heating Service

B&B Air Conditioning & Heating Service handles residential and light commercial heating, cooling and indoor air quality, with offices in Rockville, Columbia, Annapolis, Frederick and Northern Virginia, so confirm service to your address in Millersville. It installs, replaces and repairs oil and gas furnaces and boilers, heat pump heating and cooling, ductless mini-splits and geothermal cooling, plus ductwork, thermostats, whole-home generators and water heaters. Installations carry a 2-year warranty with a complimentary service-maintenance agreement, and service plans and financing are offered. A 24/7 emergency hotline is staffed, technicians are trained at the company's own in-house institute founded in 1991, and the team cites more than 68 years of experience. Rated 4.9 from 304 Google reviews, 291 of them five stars.