Bel-O Cooling & Heating

Company Overview

Founded in 1959, BEL-O is a family-operated company. Our journey began with a strong emphasis on hard work and dedication. Our founding principles continue to guide the second and third generations of our family. We take pride in our work. The work we do for our clients and community is a source of pride for us. Our team includes many seasoned professionals, giving us the knowledge to meet diverse comfort requirements. Our skilled technicians can handle any indoor comfort system you have. Contact us for fast and trustworthy service.

We deliver HVAC sales, service, and installation to residential and commercial customers in O'Fallon, IL. BEL-O has been a family-operated business since we opened our doors in 1959. Our services cover all makes and models, and we provide plumbing services as well. We provide a range of repair and installation services, including: Routine maintenance, service agreements, extended warranties, IAQ services, ductwork cleaning and sealing, sewer and drain, climate control, geothermal heating systems, boilers and furnaces. We also sell and repair fireplaces. We have a diverse team of professionals at BEL-O Cooling & Heating. We employ sheet metal workers, heating and cooling technicians, plumbers, pipefitters, design engineers, sales specialists, and customer service representatives. Our trained technicians can handle any indoor comfort system your home or business may have, even if it is not a Carrier system.