TSI Peoria

Thermal Services Inc. provides residential and commercial HVAC repair, heating, air conditioning, generator installation and routine maintenance across Central Illinois, and has been in business since 2004. The company works on equipment from all brands, and its technicians are union-trained, certified and licensed. Customers also mention quick emergency calls and new system installs.

The company is locally owned and operates 24 hours a day, seven days a week, with after-hours emergency service in addition to weekday office hours. Its office is on West Altorfer Drive in Peoria. TSI is a registered Ameren Illinois Energy Efficiency program partner, so qualifying customers can receive incentives on upgrades like central air conditioners, heat pumps and smart thermostats.