New Construction in Idaho Falls If you're ready to build the home of your dreams, why not install the most dynamic and high-end heating and cooling system on the market today? A recently built house comes with a certain tranquility that's unmatched among formerly owned homes. Owning a WaterFurnace geothermal system can extend that peace of mind to your heating and cooling system as well. Including a geothermal system in your newly built home means you can pass the cost into your monthly mortgage payment. Your savings in operating costs will generally balance out the increase in mortgage payment - which means you may see a positive cashflow!