Replace Existing System Is your old furnace or heat pump about to croak? Or do you just want to replace your inefficient equipment before it costs you an arm and a leg? WaterFurnace geothermal products provide the ideal replacement of older or inefficient equipment in the Charleston, SC area. Most units are simple to install and can be installed in areas unsuitable for fossil fuel furnaces. There is no combustion or need to vent exhaust gasses which means our equipment can be installed almost anywhere. Most homes can instantly enjoy the full effect one of our geothermal systems can provide. You required to have ductwork previously installed. If this is not the case, we can easily handle this problem by having the required ductwork installed by our professional staff. Other options to consider are... Radiant in-floor heating - Gone are the mornings of walking on cold tile Water heating - Adding this great add-on will heat your water year-round Just think of it - comfortable heating, warm floors, and hot water; all while reducing your heating and cooling cost while preserving the environment. Check out the savings calculator to see how much you can save by switching to a geothermal system!