Facility:

Brenengen Chevrolet – Sparta, Wisconsin

Auto showroom and service garage

Geothermal heat pump system:

10-ton system with two ECONAR GH1200-3 three-phase units.

Geothermal loop system:

• 20 vertical loops at 150 feet deep

• One 1.5-horsepower Grundflos HS series pump

Annual energy costs:

Projected $3,460 electrical and natural gas savings annually.

General contracting:

Brickl Bros. – West Salem, Wisconsin

Mechanical contracting:

Schneider Heating – LaCrosse, Wisconsin

System design:

Terra-Therm – New Richland, Minnesota

Loop installation:

Enviro-Tec, Inc. – Cresco, Iowa