Welcome to Langendorf Supply Company

We are the leader of Commercial HVAC supply in Eastern Missouri, Greater Illinois Area and Indianapolis. We proudly represent the most outstanding products lines in HVAC.
Langendorf Supply has been in the family since 1975. See About Us for our full history.

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Holiday Schedule 2022

Langendorf will be closing in order for our employees to enjoy the holidays with family on the following dates: Thanksgiving: closed Nov...

The Muny @ Forest Park

Innovative Engineering and Implementation General Contractor: Tarlton Corp Engineer: McClure Engineering Mechanical Contractor: Supplier:...

Oktoberfest, the best time of the year!

Mark you calendars for this years Customer Appreciation BBQ... Doing it a little different this year :-)

We are a fully staffed and stocked Manufacturers Rep

Check out our Stock. We are Here to Help

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Estimating

Estimating Mechanical and Architectural Projects

We have a full team of estimators to provide accurate and concise bids to our contractors on or before project Bid Date

Sales

Excellence in Customer Service

Our Team of Sales Member and Support Staff are dedicated to working with Project mangers and field staff to complete projects the right way and on time.