ThermoTek manufactures a wide range of products that have been "Designed with the End-User in Mind." We strive to provide solutions to all heating and ventilation needs in an ever-changing market. ThermoTek has become respected in the industry for superior customer service, high quality and innovative products. You will find that ThermoTek is very competitively priced, while offering some of the best lead times in the industry. ThermoTek is part of the nation's largest producer of direct-fired make-up air systems.