Bel-O Cooling & Heating, Inc.

About Bel-O Cooling & Heating, Inc.

Bel-O Cooling & Heating has served O'Fallon, Belleville, and the Metro East since 1959 with over 65 years of trusted HVAC service. A family-owned company now in its third generation, their technicians provide expert ductless mini split and full heating, cooling, plumbing, and indoor air quality installation, repair, and maintenance for residential customers throughout St. Clair County.