Tri-State Heating & Air Conditioning is a full-service residential and commercial heating and air conditioning company. Whether it is for your home or place of business, we are dedicated to providing the highest level of customer service, expertise and quality workmanship throughout most of Eastern KY, Southern OH and Western WV. Chances are a Tri-State Heating van is close to your neighborhood at this moment.. Maintenance Programs Troubleshooting & Repair Custom Home Installations Central Heating & Air Replacements Tune-ups & Inspections Furnace/AC Cleaning Duct Repair/Replacement Air Purifiers UV Lighting Humidifiers Geo Thermal Service & Installation