
Collinsville, IL
BEL-O Cooling & Heating Inc. takes pride in providing residents of Collinsville, IL with the best plumbing heating, cooling, and IAQ services. No matter the issue, our experienced team of professionals can provide a quick and effective solution. Get in touch with us today to learn more about any of the services that we offer, or to schedule an appointment for service.
Contact BEL-O for HVAC & Plumbing Services in Collinsville, IL
Replacing HVAC or plumbing systems can quickly become expensive. That’s why we’re proud to offer financing through Wells Fargo and Microf. Visit us here to learn more about your financing options.
When any HVAC or plumbing issues arise that require service, be sure to contact BEL-O as soon as possible. Our professionals are backed by years of knowledge and experience and they have the best tools available to provide a quick and effective solution. Contact the Collinsville, IL, HVAC contractors at BEL-O today to learn more or to request an appointment for quality service.

Collinsville, IL Heating Services
Furnaces
The most popular heating system for Collinsville homeowners, furnaces are terrific at providing effective and energy-efficient heating. Whether you’re looking to replace an existing furnace, or you need to repair an issue with your current unit, trust the quality heating experts at BEL-O for quick and reliable services.
Boilers
Though not as popular as furnaces, boilers are still a great way to heat a home. Boilers heat water within the system and use the produced steam to provide a home with heat. Boilers can run on electricity, gas, or oil, allowing you to choose the type of system that best meets the needs of your home.
Ductless mini splits
Ductless mini splits, as the name implies, don’t require any pre-existing ductwork to provide heating and cooling. Each system can be placed in different rooms of the home, providing optimal temperature control from room to room.
Gas fireplaces
A gas fireplace is more than just a great way to heat a room in your home. It also adds beautiful scenery. When any issues arise or your gas fireplace requires maintenance, be sure to get in touch with our professionals as soon as possible.
Geothermal heat pumps
Quickly growing in popularity across the country, geothermal heat pumps are a very energy-efficient way to heat and cool a home. These systems rely on geothermal energy produced by the earth to bring your home to the set temperature.
Heat pumps
Popular among Collinsville homeowners because they can both heat and cool a home efficiently, heat pumps are a great option. We offer installation, repair, and maintenance services for these units.
Collinsville, IL Air Conditioning Services
Central air conditioners
A central air conditioner is the most traditional type of AC unit. Whether you need to install new air conditioning equipment or repair an existing unit, the professionals at BEL-O are there for you.
Ductless mini splits
Not requiring ductwork can provide your home with significant energy savings and even more effective cooling. To learn more about how these units can be separately installed in different rooms throughout the home, reach out to us today.
Geothermal heat pumps
All year long, the earth’s temperature ranges from 45°F-75°F. This means that during the summer, the earth’s temperature is cooler than the outdoor temperatures. Geothermal heat pumps use the earth’s temperature to provide your home with cool air during the hot summer months.
Heat pumps
Heat pump systems are extremely reliable and can be counted on all year long. They’re among the most effective ways to cool your home. Contact us today to learn more about a heat pump’s cooling process.
Collinsville, IL Indoor Air Quality Services
Air cleaners
Breathing clean air is essential in keeping your home comfortable and healthy. Whole-house air cleaners work to eliminate any contaminants and pollutants that might be in your home’s air supply.
Air purifiers
If your home is plagued by odors, dust, or pet dander, a whole-house air purifier can help. These systems push your air through filters to ensure that any impurities are taken out of the air supply.
Duct cleaning
Over time, dust, dirt, and other contaminants build up in your air ducts and cause your HVAC system to become far less effective. Have your ducts cleaned by a professional to improve your HVAC system’s overall effectiveness and efficiency.
Humidifiers
Along with the winter months comes cold, dry air. Improve your home’s humidity levels by installing a whole-house humidifier on your HVAC system.
Thermostats
From traditional thermostats to Wi-Fi thermostats and more, the type of thermostat that your home uses is truly up to you. Get to know more about each type of thermostat by contacting us today.
Zone control systems
Are some rooms of your home the right temperature, while others are a few degrees warmer or cooler? Zone control systems can help keep everyone within your home comfortable.
Collinsville, IL Plumbing Services
Your home’s plumbing equipment plays a pivotal role in keeping your home safe. At the first sign of any issues, be sure to reach out to a professional. Acting quickly can be the difference between a minor and a major plumbing project repair.
To ensure that you’re covered during any plumbing issue, our plumbing company offers the following plumbing services in Collinsville, IL:
- Plumbing repair
- Fixture installation
- Garbage disposals
- Gas lines
- Sewer lines
- Water heaters
- Water leaks
- Commercial Plumbing
Reach out to us today to learn more about our superior service or to schedule an appointment.

-
“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.

-
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.
-
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.
-
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.
-
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.