O’Fallon Heating, Cooling & Plumbing
Serving All of Your Home’s Needs Since 1959
Homeowners can trust the local Belleville HVAC and plumbing professionals at Bel-O Cooling & Heating for all of their heating, cooling, indoor air quality, and plumbing needs. Whether you need repair or replacement services, we can help with it all.
Schedule an appointment by calling Bel-O Cooling & Heating at (618) 400-0905 today! We offer fast, effective, and friendly service backed by years of experience.
O’Fallon Heating Services
Has your heater gone out on you? Does your furnace make strange noises or refuse to emit any hot air? Bel-O Cooling & Heating has the solution, and can complete it quickly and effectively! We service all types of heating systems, including older technology and the latest and greatest models alike.
We offer services for all of the following:
- Boilers
- Gas & oil furnaces
- Ductless mini-splits
- Heat pumps
We also offer services for gas fireplaces, allowing you to enjoy an easy, safe, and clean fire that keeps your home warm all winter long without the hassle or danger of a wood-burning fire.
O’Fallon Air Conditioning Repairs
Bel-O Cooling & Heating is the name to turn to for dependable air conditioning solutions all summer long. If your cooling system can’t keep you comfortable, we offer a full range of repairs, tune-ups, maintenance, and even full system replacements. As a Carrier Factory Authorized Dealer, we proudly offer premium products that are perfectly matched to your home for maximum efficiency and optimal performance.
O’Fallon Indoor Air Quality
Tired of poor-quality indoor air making it difficult to breathe, triggering asthma attacks, or causing respiratory problems? Bel-O Cooling & Heating is the name to call. Our products provide you with improved quality of life and unwavering peace of mind that comes from knowing that the air you’re breathing is really as clean as you think it is.
O’Fallon Plumbing Services
From dripping faucets to leaking water heaters and faulty garbage disposals to damaged sewer lines, turn to the experts at Bel-O Cooling & Heating for local plumbing solutions. We’ll make sure your water supply is intact, leak-free, and flowing smoothly so you can use the fixtures you depend on every day without concern or frustration.
For a complete range of home services in O’Fallon, turn to Bel-O Cooling & Heating! Reach out to us and schedule your appointment now.
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“Couldn't wish for a better company and employee to service my home heating and cooling.”
Karen H. -
“Jason was professional and courteous.”
Sue S -
“They replaced my sump pump.”
Rick H. -
“Anthony thoroughly checked the gas water heater for proper operation”
Becky G -
“Jason was on time, polite, and professional.”
Wayne S -
“The experience was great as he took his time to clean and inspect the system and to go over any findings/recommendations he had for us.”
Stephanie S.
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1. Third Generation, Family-Owned Since 1959
Our grandfather started this business to serve his community decades ago, and we take the same pride in that service.
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2. Decades and Decades of Industry Experience
Since we opened, we've prioritized expertise in both traditional and innovative industry practices to serve you better.
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3. Honest & Transparent Technicians Who Never Oversell
We want to provide you with a number of solutions and help you pick the right one for you, not the right one for us.
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4. Full Capability One-Stop Shop for Heating & Cooling
From keeping the air in your home safe and cool to manufacturing sheet metal, you are in capable hands.