Headquartered in Middleton, Mass., Ambient Temperature Corporation is a mechanical service contracting company that serves the commercial, industrial and institutional markets. It provides services to various facilities, including offices, industrial buildings, government facilities, schools and institutions. The companys services includes the maintenance and installation services of heating, air conditioning, ventilating, refrigeration, heat pumps, process piping, plumbing and air handling systems. It designs and builds several planned and spec projects for private- and public-sector customers. It also offers emergency services. Founded in 1985, Ambient Temperature Corporation provides insurance plans, service contracts and periodic maintenance programs for a range of comfort systems.