Basic Member
Since Nov, 2021
Green Hill Geothermal is a family owned and operated geothermal heating and cooling company started in March 2011 by brothers Gregg and Thom Drunagel. Green Hill Geothermal is a family owned and operated business founded in March 2011 by brothers Gregg and Thom Drunagel. Being a Class A contractor possessing…
Member