Your Comfort is our Priority At Home Heating & Cooling. We Keep Your Home Cool. Keeping your air conditioner in O'Fallon, Edwardsville, Troy, Collinsville, Waterloo, Columbia, Fairview Heights, Belleville running smoothly is easy as long as you keep up on maintenance and repairs before they becoming lingering problems. At Home Heating & Cooling in Belleville, IL we are known for our quality of service and reliability. What we can help you with in regards to cooling or heating your HOME? Whether you’re in demand of installation, repair/service, or replacement, HOME Heating & Cooling can help you with any Belleville air conditioning problems. We strive to provide a wide range of AC services so you can stay comfy and relaxed, year-round.