Welcome to Langendorf Supply Company
We are the leader of Commercial HVAC supply in the St Louis Missouri and Greater Illinois Area. We proudly represent the most outstanding products lines in HVAC.
Langendorf Supply has been in the family for 35 years. See About Us for our full history.
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
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.
On staff engineers
In any job, the design phase is crucial and we are available for design and product implementation support
Hours of Operation
Warehouse hours are 7 am - 3:30 pm
Mon: 8am - 5pm
Tue: 8am - 5pm
Wed: 8am - 5pm
Thu: 8am - 5pm
Fri: 8am - 5pm