Replace Existing System Has your old furnace seen better days? It's time to start thinking about replacing your aging furnace before it stops ticking. Instead of another standard furnace to heat your Defiance home, a great alternative is a WaterFurnace geothermal products. It's a smart move compared to the inefficient fossil-fueled furnaces on the market. No combustion means, no combustible gasses and venting is needed. In addition, our units usually use the existing electrical connection you already possess to provide comfortable conditioning to your OH home. Since most homes already possess ductwork , your home is ready to provide the comfort of geothermal heating and cooling- if not, we can simply install the required ductwork so you can experience geothermal to its fullest extent. Consider radiant in-floor heating as an added option. Just think of it - no more bone-chilling floors all winter long. We also have an option to add a unit that is capable of hot water heating for even more savings. WaterFurnace - helping you save the environment and reduce your home's conditioning costs at the same time. Check out the savings calculator to see how much you can save by switching to a geothermal system!