Geothermal Companies in Hazel Green1 companies listed
Hefel Geothermal Inc.
Basic Member
Since Jul, 2020
Since Jul, 2020
HAZEL GREEN, Wisconsin, United States
Terry Hefel started Hefel Geothermal in 1984. He holds Heating Ventilation and Air Conditioning (HVAC) licenses in both Iowa and Wisconsin. He is a member of both the Iowa and Wisconsin Heat…