Geothermal Retrofits More and more residents in Idaho Falls are discovering just how great WaterFurnace geothermal systems are for retrofit or replacement applications. The benefits are easy to see: WaterFurnace geothermal systems are counted as one of the most efficient, energy-conserving, environmentally friendly heating and cooling solutions available. Nearly all geothermal units are easy to put in - 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's no combustion and thus no need to vent exhaust gases. Geothermal technology is perfect for in-floor radiant heating, because heated water circulates throughout pipes under your floors to heat your rooms. If you're a Idaho Falls resident looking to retrofit or replace your current heating and cooling system, contact us, the experts Conan Heating and Geothermal. We'll show you all the advantages of a WaterFurnace geothermal retrofit or replacement.