Since 1983, Weir Heating and Cooling has been providing quality HVAC services to communities throughout Cahokia, Belleville, O'Fallon, Swansea, Collinsville, and the entire Missouri and Illinois Bi-State area. Our team of technicians and professional staff cares for all of your heating, cooling and ventilation repair and installation needs. We provide excellent service to residential and commercial customers.

Opening Times

Mon

08:00AM - 04:00PM

Tue

08:00AM - 04:00PM

Wed

08:00AM - 04:00PM

Thu

08:00AM - 04:00PM

Fri

08:00AM - 04:00PM

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