Greg's Service Inc.

Greg's Service Inc. is a heating and cooling contractor that installs, services and repairs furnaces, air conditioners, boilers, heat pumps, air handlers and hot water heaters. The company works on both residential and light commercial systems and covers routine maintenance as well as emergency repairs. Its work includes indoor air quality and humidification control products.

The company serves Wood River and surrounding areas in southwestern Illinois and eastern Missouri, including Madison, Bond, Clinton and St. Clair counties. It has also long supported military families at Scott Air Force Base. Free estimates are offered, and a warranty is included with all services. Office hours are weekdays, with weekend visits by appointment only.