Tezel & Cotter Air Conditioning

Commercial and industrial heating, air conditioning, and mechanical contracting are the core offerings. The company designs, installs, and maintains systems, including ventilation, filtration, plumbing, and pipe fitting. Construction projects have included schools, churches, commercial and industrial buildings, and government facilities, with capabilities for data rooms, clean rooms, chillers, boilers, pumps, and air handlers. An automated sheet-metal shop fabricates ductwork and other sheet-metal components. Service work covers repair, maintenance, and replacement of commercial equipment, as well as chiller maintenance and controls service. Planned and full-service maintenance agreements are available, and technicians are on call around the clock. The business has served San Antonio and South Texas since 1932.