O'Fallon HVAC Company Call for More Information Today!618-400-0905
Serving Belleville, Granite City, Edwardsville, O'Fallon, Collinsville, East St. Louis, Fairview Heights, Highland, Troy, Glen Carbon, Madison County, Columbia, Cahokia, Wood River, Mascoutah, Maryville, Caseyville, Clinton County, Millstadt, Lebanon, Breese, Centreville, Freeburg, Scott AFB, Trenton, Smithton, New Baden, Dupo, St. Clair County and beyond
HVAC O'Fallon
Keep your heating, ventilation, and air conditioning system in peak condition with BEL-O Cooling & Heating as your trusted HVAC company. Our approach combines thorough inspections, precise maintenance, and timely repairs to ensure your system runs smoothly all year round. Whether you're battling the summer heat or the winter chill, BEL-O Cooling & Heating's team is equipped with the latest tools and knowledge to address any issue, big or small. Our HVAC company prioritizes energy efficiency and comfort, aiming to extend the lifespan of your HVAC unit and improve your indoor air quality.
Choose an HVAC company that guarantees comfort and efficiency. Dial (618) 400-0905 to connect with the experts at BEL-O Cooling & Heating.
Bel O HVAC and Plumbing Reviews
5.02000 Reviews
C"Alex was terrific"
Did a great job quickly, very friendly.
Chris Readenour
B"He Was Thorough and Efficient"
He was thorough and efficient. Kevin also has great customer service skills.
Brent Reeves
M"Knowledgeable and professional"
Was able to solve the issue of the sterilizer shutting down the entire HVAC.
Mark
A"Very professional company"
Did a great job like always.
Agent 87
d"Bel-O Heating and Cooling Was Wonderful"
James did a great job, explained everything, and was timely.
diane grupe
K"Jim Was a Great Technician"
He was courteous, left everything neat, and dealt with my questions in a helpful and patient manner.
Kelly Kaehler
Alex was terrific
Alex was terrific. Came in, did a great job quickly, very friendly.
Chris Readenour
He Was Thorough and Efficient
Kevin was EARLY (good thing!!!). So many maintenance companies say 10-12 show time and then show up at 2. This was not the case. He was thorough and efficient. Kevin also has great customer service skills. Keep this guy around!
Brent Reeves
Knowledgeable and professional
Knowledgeable and professional. Was able to solve the issue of the sterilizer shutting down the entire HVAC. Won’t happen again, thanks!
Mark
Very professional company
Very professional company. Did a great job like always but definitely recommend.
Agent 87
Bel-O Heating and Cooling Was Wonderful
Bel-O Heating and Cooling was wonderful; James did a great job, explained everything, and was timely.
diane grupe
Jim Was a Great Technician
Jim was a great technician! He was courteous, left everything neat, and dealt with my questions in a helpful and patient manner.
Kelly Kaehler
Why Choose BEL-O Cooling & Heating
At BEL-O Cooling & Heating, we’ve spent over 65 years keeping Belleville and the Metro East comfortable. As a third-generation, family-owned company, we’re your trusted one-stop shop for HVAC, plumbing, indoor air quality, sheet metal fabrication, and even pest control. We treat every home and business like our own, delivering honest recommendations, quality workmanship, and responsive service—day or night.
Why Choose Us:
Family-owned and operated since 1959
A+ BBB rating and BBB Torch Award for Ethics
NATE-certified, non-commissioned technicians
True 24/7 emergency heating, cooling, and plumbing service
Comprehensive home services under one roof
Deeply involved in and committed to our local community
24/7 Emergency Heating And Cooling
Day or night, we restore your comfort fast in Metro East Illinois.
NATE-Certified Techs, Never Oversold
Expert diagnostics, honest repairs, and no high-pressure sales.
65+ Years Of Trusted HVAC Expertise
Since 1959, Belleville’s family-owned choice for reliable comfort.
Carrier Factory Authorized Dealer
High-efficiency Carrier systems installed for maximum comfort.
