HomeOur Services

Your comfort is our #1 priority

Commercial HVAC
Speak with a commercial HVAC specialist or request an appointment.
Residential HVAC
We have the experience to service all residential makes and models.
Maintenance
Service your system as needed or on a schedule to ensure best operability.
Air Quality
We provide indoor air quality solutions for homes and businesses.
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Commercial HVAC Services

Tri-County HVAC provides quality, commercial heating and cooling services to business owners. Contact us to schedule service or request an estimate based on your needs.

Residential HVAC Services

From major repairs to simple seasonal maintenance, make Tri-County HVAC your first call for all residential air conditioning and heating problems.

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Maintenance

Service agreements ensure systems are always in the best shape. Our HVAC technicians perform annual check-ups and repairs on all heating and cooling systems.

Tri-County HVAC is based in Centralia, Illinois. We serve customers throughout the Southern Illinois area.