Southern Illinois
Shawnee Heating & AC
HVAC Contractor Southern Illinois
HVAC service, repair, installation, and 24/7 emergency heating and cooling for Southern Illinois homes and businesses.
What We Do
HVAC Services in Southern Illinois
Residential repair, installation, and maintenance first. Commercial HVAC for local businesses on its own page.
HVAC Service & Repair
Fast diagnosis and repair for furnaces, air conditioners, and heat pumps across Southern Illinois.
Emergency HVAC
24/7 emergency HVAC when heating or cooling fails — nights, weekends, and holidays. After-hours emergency service incurs added fees, especially on holidays.
HVAC Installation
New system installation sized for your home, including energy-efficient replacements.
HVAC Maintenance
Seasonal tune-ups that catch problems early and keep equipment running efficiently.
Maintenance Plans & Contracts
Scheduled maintenance plans and contracts with visits that protect equipment year-round.
Commercial HVAC
Service contracts, rooftop units, and repairs for Southern Illinois businesses.
About Us
Reliable Heating & Cooling for Every Season
Shawnee Heating & AC serves Southern Illinois with HVAC service and repair, preventative maintenance, complete installation, maintenance plans and contracts, and emergency HVAC. We keep indoor spaces comfortable through Illinois winters and humid summers.
Tune-ups catch problems before they become expensive repairs. When a system fails, we restore heat or cooling quickly. When replacement is the smarter path, we install equipment matched to your home. After-hours emergency service incurs added fees, especially on holidays.
24/7 Emergency Response
When a system goes down, we answer. Call or text any hour for heating and cooling emergencies. After-hours emergency service incurs added fees, especially on holidays.
Home Comfort First
Repair, install, and maintain residential systems with careful workmanship and clear communication.
Maintenance Plans & Contracts
Maintenance plans and contracts that protect equipment, lower utility costs, and prevent surprise breakdowns.
Local Southern Illinois Team
Proudly serving Southern Illinois, with priority coverage in Johnson, Saline, Hamilton, Jackson, Union, and Williamson Counties.
Comfort You Can Count On.
Serving Southern Illinois — open 24/7. After-hours emergency service incurs added fees, especially on holidays.
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Frequently Asked Questions
Quick answers about HVAC service in Southern Illinois.
We provide HVAC service and repair, emergency HVAC, HVAC installation, HVAC maintenance, maintenance plans and contracts, and commercial HVAC across Southern Illinois.
Yes. We are open 24 hours a day, seven days a week. Call or text (618) 534-9610 when heating or cooling fails. After-hours emergency service incurs added fees, especially on holidays.
We serve all of Southern Illinois. Priority counties include Johnson, Saline, Hamilton, Jackson, Union, and Williamson County.
Yes. Most of our residential work is HVAC repair, installation, and maintenance for homeowners. Commercial HVAC services for local businesses and property managers are covered on our commercial page.
Most homes benefit from seasonal tune-ups — cooling in spring and heating in fall. A maintenance plan or contract keeps filters, coils, and safety checks on a set schedule.
If the unit is aging, needs frequent repairs, or can no longer keep up with the house, HVAC installation of a new energy-efficient system is often the better investment. We will walk you through the options.
Fill out the work request form on this site, call or text (618) 534-9610, or email Shawneeair@gmail.com. We will schedule quickly for Southern Illinois.
Need HVAC Service Today?
Call, text, or request service online — Shawnee Heating & AC is open 24/7 across Southern Illinois.
Service Areas
Your Local HVAC Contractor
Heating and cooling service for all of Southern Illinois. Priority counties include Johnson, Saline, Hamilton, Jackson, Union, and Williamson County.
Get In Touch
Request Service
Fill out the form to request HVAC service, or call, text, or email Shawnee Heating & AC. After-hours emergency service incurs added fees, especially on holidays.
Call or Text
Email
Hours
- Monday – Sunday: Open 24 Hours
Service Area
Southern Illinois