Geothermal Design/Installation

John’s Service and Sales is one of only 4 companies in the entire state of Illinois with an IGSHPA Certified Geothermal Designer on staff. John’s has designed, from the ground up, several geothermal systems from 3 to 130 ton. John’s has designed geothermal projects utilizing all types of geothermal systems including ground and pond loops, open and closed systems. ..