WaterFurnace geothermal heating and cooling products are among the most efficient, energy saving, environmentally conscience heat pumps you can purchase. They are a natural heat pump that will give you years of reliable, safe home comfort at a low cost. WaterFurnace systems come in three basic configurations. Nearly all of our products meet or exceed the Energy Star® requirements needed to take advantage of the latest tax credits. Lower Operating Cost: WaterFurnace geothermal heat pump system operates more efficiently than ordinary heating and air conditioning systems. Environmentally Friendly: According to the Department of Energy and the EPA, geothermal systems are the most environmentally friendly way to heat and cool your home. Our systems emit no carbon dioxide, carbon monoxide or other greenhouse gasses, which are considered to be major contributors to environmental air pollution. SURPRISINGLY THE SAME TECHNICAL SKILL TO MINE COAL IS USED TO DRILL GEOTHERMAL!