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 conventional furnace to heat your San Antonio 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 TX home. If you have ductwork already installed in your home, you are starting the race ahead of the pack. If not, we can easily install ductwork so you can experience the comfort of geothermal to its full extent. Another heating method to consider is radiant in-floor heating. Picture walking on heated floors all winter long... We offer a unit that is capable of in-floor heating in association with forced air to provide you with the most comfortable heating possible - all while helping the environment and saving money. Most homes can instantly enjoy the full benefit one of our geothermal systems can provide. Your existing duct system will be evaluated if modifications are needed to accommodate the replacement system. All modifications will be installed by our professional staff. Other options to consider are... Zone Control System- Heat and Cool only where you need it. Water heating - Adding this great add-on will heat your water year-round De-Humidification- Lower humidity creates a comfortable home environment. Just think of it - comfortable heating and cooling where you need it, 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!