At Preferred Air, our highly trained staff install, repair and maintain residential and commercial heating and cooling systems including furnaces, boilers, ductless mini-splits, heat pumps and central air conditioners. We offer custom ductwork and indoor air quality solutions such as air purification systems, whole-house humidifiers and dehumidifiers. Preferred Air has been proudly serving Boston's North Shore for over 33 years. The safety and health of your families and employees are our top priorities. We offer top energy-efficient options from Carrier, Mitsubishi and Bosch and assist our customers with rebates and incentives to continue our commitment to create a better environment for tomorrow while taking care of our clients today.