Temspec Inc. began operations in 1971. At that time the company manufactured concealed vertical stack fan coil units for installation in high-rise condominiums, apartments, student dormitories, retirement residences and hotels.In 1983 Temspec underwent a major change. The company introduced a unit ventilator with electric heat used primarily in school portables. That success led to the development of hot & chilled water vertical unit ventilators for standard classroom applications. The Temspec design provided a small footprint, easy maintenance and a quiet operation which was revolutionary for its time. more... See more text