All of our repairs are guaranteed for 2 full years parts and labor. We service every make and model. Service of all heating and air-conditioning systems, including precision tune-ups and cleaning. Installation of new systems - gas and electric furnaces, heat pumps, boilers, air conditioners, coils, humidifiers, dehumidifiers, and geothermal systems. Installation of thermostats, UV light system, and ductwork. Free estimates on new systems. 24-Hr. emergency service.