Products Lines
Parts Section

Heinlein Supply stocks a wide range of HVAC parts for manufacturers including:

For more information, visit our Manufacturers section.

Heinlein Supply Co.
5516 North Elston Ave.
Chicago, IL 60630
(773) 774-8616
(773) 774-8622 Fax
Monday - Friday
7 am to 5 pm


WELCOME to Heinlein Supply, Chicago's premier stocking HVAC wholesaler located on the northwest side of Chicago.

Heinlein Supply carries a full line of Modine Unit Heaters and is the Midwest largest "In Stock" distributor of both old and new Modine Units Heater Parts. We carry a full line of Loren Cook Fans to handle industrial ventilation needs, and ILG parts for fans and heaters built before 1992 including McDonald Restaurant, Electric Heater Elements and Wall Box fans.

Heinlein Supply stocks various HVAC products including Ward Flex gas piping products, Blowers, Furnaces, Air Conditioners, Grilles & Registers, Sheet Metal Supplies & Tools and Custom Sheet Metal work.

Visit our Parts Section for a detailed listing of our parts inventory categories.