Ernst Heating & Cooling, Inc.

About Us

Ernst Heating & Cooling is a family-owned HVAC company proudly serving the Metro East region for 75 years and across three generations of the Ernst family. Founded in 1951 by Albert “Al” Ernst as a small hardware store in Hamel, Illinois, the company evolved into a trusted heating and cooling business built on honest service, strong community values, and long-term customer relationships. Today, the company is led by second- and third-generation family members Roger and Dusty Ernst, continuing the family legacy of dependable service and innovation.
Ernst Heating & Cooling provides residential heating and cooling repair, maintenance, installation, and replacement services throughout the Metro East area. Their services include furnaces, air conditioners, heat pumps, geothermal systems, ductless mini-splits, indoor air quality solutions, emergency HVAC service, and preventative maintenance programs. The company is known for combining state-of-the-art technology with old-fashioned customer care and remains committed to treating customers like neighbors.