Contact Weir Heating & Cooling

Located in Cahokia, IL, Weir Heating & Cooling is happy to be your premier HVAC installation and repair company in the Missouri and Illinois Bi-State area. We know that our expertise, coupled with your confidence in our abilities, will make for a great experience.

Weir Heating & Cooling contractors installing an HVAC unit in Cahokia, IL

Reach Out to Us

If you have a question about our services, financing, or if you would like to schedule an appointment, please fill out the form below, and a member of our team will be in touch with you as soon as possible.

*Note: Messages sent using this form are NOT confidential. Avoid sending highly confidential information or private information through this system.



Monday-Friday: 8:00 AM-4:00 PM