HomeResidential HVAC Services

Based in Centralia IL, we serve customers of Southern Illinois communities and the Metro-East.

Maintenance · Repairs · Upgrades · Sales · Service ·  Replacement · Installation

From major repairs to simple seasonal maintenance, make Tri-County HVAC. your first call for all residential air conditioning and heating problems. As a local business, we understand the needs of people in this community, and we take pride in offering services that meet the highest in industry standards while charging affordable rates.

We Service All Residential HVAC Makes & Models

Cooling Services

Having your air conditioning unit in top shape is essential for preventing unexpected problems. An under-cooled home during the warmest months can cause system failures and pose risks to your health. From check-ups to replacement, we serve customers throughout the area and service all makes and models.

  • Air Conditioning Repair
  • Air Conditioning Maintenance
  • Energy Efficiency Repairs
  • Heat Pump Installation & Repair
  • Ductless Mini-Split Air Conditioning Systems
  • Compressor Repair
  • Condensate Drain Line Repair & Replacement
  • House Dehumidifiers

Heating Services

With the experience to provide service and repairs for all makes and models of any heating equipment, Tri-County HVAC can keep your heating systems performing – keeping you comfortable and warm! We provide the following services:

  • Furnace Cleaning
  • Furnace Maintenance
  • Pilot Light Problems
  • Furnace Repair
  • Furnace Install
  • Energy Efficiency Repairs
  • Carbon Dioxide Detectors
  • Whole-Home Humidifiers
  • Heat Pump Installation & Repair
  • Circuit Board Repair
  • Electric Ignition Problems
  • Blower Motor Problems