• Mon - Fri: 7:30 AM - 4:30 PM
  • (800) 875-8811
  • Send us an Email
  • ThermoTek

    About ThermoTek

    Since 1965, ThermoTek has operated as a leading manufacturer of ventilation and heating equipment. Utilizing over 50 years of experience, ThermoTek can solve your commercial and industrial heating and ventilation needs regardless the challenge. ThermoTek is a leading manufacturer of make-up air units, manufacturing over 9,000 gas fired heaters per year. They feature the shortest lead times in the industry: 1-2 week lead times on modular make-up air products.

    ThermoTek has developed a wide range of products with the end-user in mind. Their product offering includes direct fired make-up air units, indirect fired make-up air units, modular packed make-up air units, electric heat make-up air units, direct and belt driven centrifugal fans, and dedicated outdoor air systems (DOAS).

    ThermoTek is part of the nation’s largest producer of direct-fired make-up air systems. Their increasing sales and high production volume has led to the opening of our 6th manufacturing facility in Groveland, FL. The six strategically located manufacturing plants located in North Carolina, Iowa, Oklahoma, California, Pennsylvania and Florida gives ThermoTek the ability to respond quickly to customer inquiries and needs.

    Learn More.

    Call us Toll Free at (800) 875-8811 to speak with an HVAC expert who will help you meet your heating and cooling needs. Click the “Have a Question” button for detailed information on our product offerings and services.

    Air Design Inc. is ThermoTek’s direct factory representative for Eastern Michigan including Alcona, Alpena, Arenac, Bay, Cheboygan, Clare, Clinton, Crawford, Gladwin, Genesee, Gratiot, Hillsdale, Huron, Ingham, Iosco, Isabella, Jackson, Lapeer, Lenawee, Livingston, Macomb, Midland, Monroe, Montmorency, Oakland, Ogemaw, Oscoda, Otsego, Presque Isle, Roscommon, Saginaw, Sanilac, Shiawassee, St Clair, Tuscola, Washtenaw, and Wayne County.


    • Direct Fired Make-Up Air & Heating Units
    • Indirect Fired Make-Up Air & Heating Units
    • Modular Packaged Make-Up Air Units
    • Electric Heat Make-Up Air Units
    Go to Website