Geothermal Retrofits More and more residents in Lime Springs are realizing just how great WaterFurnace geothermal systems are for retrofit or replacement applications. The advantages are clear: WaterFurnace geothermal systems are among the most dynamic, energy-saving, eco-friendly heating and cooling solutions in the industry today. Most geothermal units are simple to to place in your home - particularly those replacing another forced-air system. Geothermal systems can be installed in areas where fossil fuel furnaces are unsuitable. That's because, with geothermal, there isn't any combustion and therefore no need to vent exhaust gases. Geothermal technology is perfect for in-floor radiant heating, because heated water circulates throughout pipes underneath your floors to heat your rooms. If you're a Lime Springs resident looking to retrofit or replace your current heating and cooling system, contact us, the experts Johnson Comfort Systems, Inc.. We'll walk you through all the advantages of a WaterFurnace geothermal retrofit or replacement.