Founded in 1945, Thermal Corporation is a manufacturer of air handling equipment in Texas. It provides a range of ventilation, heating, air conditioning and commercial refrigeration equipment. The company offers shipment services for coils, dampers and related accessories. Thermal Corporation offers indoor, outdoor, single-zone and multizone units. It provides low-, medium- and high pressure central plants. The company additionally offers thermaire fan coils, heat wheels, and heating and cooling equipment. Thermal Corporation serves government, commercial, aviation, utility, retail, health care, food processing, oil and gas, and entertainment and recreation industries. It is a division of Nailor International and employs thermal representatives.