Call us 7:00am - 5:00pm CST


Monday to Friday

7:00am - 5:00pm CST


Modine Wholesaler & Authorized Parts Distributor Supplying Heaters & OEM Parts since the 1960's
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modine oem parts
loren cook oem

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 Unit Heater OEM Parts.

We carry a full line of Loren Cook fans and OEM parts to handle your industrial ventilation needs along with ILG current unit parts as well as parts for fans and heaters built before 1992 including McDonalds Restaurant, Electric Heater Elements and ILG-A-VENT Systems Wall Box Fans.

Heinlein Supply Co. maintains a large inventory of HVAC products for repair and new installation as well as a wide range of tools. If we don't stock the item you are looking for, we'll be happy to custom order it. Call our customer service department today for more information

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

Same day shipping for In-Stock items when ordered before noon central time.
up blast
centrifigal blower
ducting elbow
hot dog heater

Quality OEM Parts and Replacement Units for

Loren Cook, Modine, ILG Industries, New York Blower, Penn, Breidert, Solar & Palau, Jenco, Acme, Aerovent, Greenheck, Carnes & More

OEM Products

Stock a wide range of OEM parts for HVAC manufacturers including Modine, Loren Cook,
and provide assistance in finding the right part for your unit, new or old.

Product Knowledge

With almost a century in the industrial ventilation industry, Heinlein Supply works with you.

Support & Service

Industry leading support for contractors and the industrial market place providing assistance in finding the products, exhaust fans or heaters, that fit your requirements.

Get in Touch

You will find yourself working in a true partnership that results in an incredible experience, and an end product that is the best.

Call on us

Office: 773-774-8616

Fax: 773-774-8622

Hours: 7:00 am to 5:00 pm CST

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