New Construction in Des Moines If you're about to build the home of your dreams, why not install the most economical 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. Installing a WaterFurnace geothermal system can transfer that peace of mind to your heating and cooling system as well. Combining a geothermal system in your newly constructed home means you can pass the cost into your monthly mortgage payment. The money you save in operating costs will typically balance out the increase in mortgage payment - which means you may see an increase in cashflow!