Save Money with Geothermal You already purchased your property - why not utilize the free energy source just underneath the surface of your yard? A WaterFurnace geothermal system can transmit an astounding five units of energy for every one unit of electrical energy used. Unsure of what that means to you? What you get is an economical means to condition your Idaho Falls home - much less than what your friends and neighbors will pay. The geothermal products we install are the most dynamic equipment in the industry today. So why not utilize the clean, renewable energy in your backyard and realize savings up to 70% on heating, cooling, and even hot water!