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.

Committment to Quality

Industrial Ventilation & Exhaust Systems

Temperature Control Systems

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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.

Confident and reliable service

Fully trained service technicians

Bonded, Insured and Licensed

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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.

Seasonal Maintenance

Preventative Maintenance

Monthly Service Contracts

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

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