From routine maintenance to emergency repairs and full system installations — Spiller Heating & Air delivers expert HVAC service across Southern Illinois.
Cooling
Whether you need a new central AC system, a ductless mini-split, or a replacement unit, our certified technicians handle the entire installation process. We’ll help you choose the right system for your home’s size and budget.
Cooling
Is your AC not cooling properly, making strange noises, or running constantly? Our experienced technicians quickly diagnose and repair all makes and models. We stock common parts to get you back to cool fast.
Heating
Stay warm all winter with a properly installed heating system. From gas furnaces to electric heat pumps, we install and configure systems for maximum efficiency and comfort in Southern Illinois winters.
Heating
Don’t let a broken heater leave you in the cold. Our team provides fast, reliable heating repairs for furnaces and heat pumps. We offer emergency service when you need it most.
Mr. Cool Specialty
As a certified Mr. Cool distributor, we specialize in ductless mini-split installation. Perfect for room additions, older homes without ductwork, or targeted comfort control in any space.
Maintenance
Regular maintenance is the key to a long-lasting, efficient HVAC system. Our comprehensive tune-up service covers cleaning, inspection, and adjustment of all critical components.
Emergency
HVAC emergencies don’t wait for business hours. Our team is available for urgent repairs when your system fails at the worst possible time. Call us anytime — we’ll get there.
Spiller Heating & Air is proud to be a certified Mr. Cool distributor. Mr. Cool makes more than just mini-splits — their lineup includes centrally ducted systems, package units, and gas furnaces, all at genuinely affordable prices. Our partnership means you get access to the full product line, backed by our professional installation and local service support.
Contact us today for a free estimate or to schedule your appointment.
