Geothermal Benefits Okay. So maybe we are a tiny bit biased. But we at Andrews Heating & Air Conditioning, Inc. are hard-pressed to think of anyone in Terre Haute who couldn't benefit from a WaterFurnace geothermal heating and cooling system. WaterFurnace geothermal systems are among the most economical, energy-conserving, and environmentally friendly heat pumps Terre Haute homeowners - or anyone - can buy. With a WaterFurnace geothermal system from Andrews Heating & Air Conditioning, Inc., you'll see... Enhanced comfort. Because our WaterFurnace geothermal system delivers radiated air and takes away hot or cold spots year round. Lowered monthly costs. Because our WaterFurnace geothermal heat pump works with more effectiveness than traditional heating and cooling systems. Dependable performance. With our complete indoor installation, our geothermal systems are not susceptible to bad weather conditions like rain, snow, ice, debris, and temperature extremes or vandalism that knock out average heat pumps and air conditioners. Eco-friendly. Given that our geothermal systems are earth friendly heat pumps, emitting no harmful gasses such as carbon dioxide, carbon monoxide, or other greenhouse gasses Noiseless operation. Just think: There is no outdoor noisy unit! No wonder more and more residents in the Terre Haute area are turning to Andrews Heating & Air Conditioning, Inc. for their WaterFurnace geothermal needs.