Residential

These homeowners have significantly lowered their utility bills - and improved their comfort - with geothermal technology.

Bryant, Iowa

"I am very pleased with the system and particularly how clean and fresh the air is in our home."

Clinton, Iowa

"We are very satisfied with the heating and cooling, and the temperature control. Since there is no combustion, the air isn't too dry in winter."

Dubuque, Iowa

"The comfort, safety, strength and quietness of the geothermal radiant floor heat is unequaled in any other type of system on the market today."

Garnavillo, Iowa

"We are very pleased with the efficiency, cleanliness and steadiness of temperature."

LeRoy, Minnesota

"I like the air conditioning side of the system for the fact there in no noise in the summer when sitting on the deck. I also like the even heat in the winter."