Geothermal Heating Systems Repair & Maintenance

Mendel has been meeting the heating and cooling needs of the community since 1985. As a Bryant® Factory authorized Dealer, our number one priority is customer satisfaction, which is why our 20 highly-trained service technicians do Whatever It Takes® to serve our clients and keep their homes comfortable.


Contact us and put your geothermal heating system repair and maintenance needs in the hands our adept technicians. We proudly serve homeowners in St. Charles, IL, and the surrounding Fox Valley area.