Wabash, Indiana, Geothermal Gast Heating & Cooling Inc. is the best WaterFurnace geothermal contractor in Wabash, Indiana. We'll help you understand all the advantages of geothermal heating and cooling. We’ll see to it that your WaterFurnace system is properly installed, too. And when it comes time for service? Nobody in Wabash does it better! Contact Gast Heating & Cooling Inc. today. Like a little sneak-peek at the savings a WaterFurnace geothermal heating and cooling system can give you? Use our simple Geothermal Savings Calculator.