J&M Heating & Air Conditioning, founded in 1979, engages primarily in the provision of heating, ventilation and air conditioning products and services. The company also holds expertise in refrigeration, indoor air quality and environmental controls. It offers both planning and speculation work, as well as design/build engineering services. The company serves applications in hospitals, schools, public works facilities, corporate offices, computer centers, retail buildings, restaurants, clean rooms and research facilities. It holds a team of experienced project managers, engineers, steamfitters, sheet metal workers, insulators, service technicians and support staff. J&M Heating & Air Conditioning maintains its head offices in New Rochelle, N.Y.