Hartselle, Alabama, Is Going Geothermal! Southern Solar Systems has definitely had a part to play in that! We're a heating and cooling contractor who’s expertise is installing and servicing geothermal systems right here in Hartselle, Alabama. Area homeowners place their confidence in us for ... our experienced, knowledgeable staff our expert geothermal installation and service capabilities the planning assistance and advice we give - to help Hartselle customers maximize the potential in their geothermal installations geothermal heating and cooling systems from the most prestigious name in the business: WaterFurnace If you've been thinking of going geothermal, contact Southern Solar Systems today, Hartselle's best geothermal contractor. (For a preview of the kind savings your family could experience with a geothermal heating and cooling system, try our simple Geothermal Savings Calculator.)