Bel-O Cooling & Heating

Company Overview

Since our inception in 1959, BEL-O has remained a family-owned enterprise. From the beginning, we understood the significance of commitment and effort. We have passed these values to our second and third generations, staying true to our roots. Pride is a value we all hold dear. The work we do for our clients and community is a source of pride for us. Many of our team members possess extensive experience in their fields, providing us with the expertise needed to address various comfort needs. We can service any indoor comfort system in your home or business. Call us for prompt and reliable assistance.

In the O'Fallon, IL region, BEL-O Cooling & Heating provides HVAC solutions for homes and businesses. We have been a family-owned and operated business since 1959. We handle all types of systems and also offer plumbing services. We provide a range of repair and installation services, including: Routine maintenance, service agreements, long-term warranties, IAQ services, ductwork cleaning and sealing, drain and sewer, HVAC, geothermal systems, furnaces and boilers. We provide sales and repair services for fireplaces. At BEL-O Cooling & Heating, our team consists of experts from multiple trades. Our team features professionals such as sheet metal workers, HVAC specialists, plumbers, pipefitters, design engineers, sales personnel, and customer service staff. Our trained technicians can handle any indoor comfort system your home or business may have, even if it is not a Carrier system.