New Construction in Charleston If you're ready to build the home of your dreams, why not install the most economical and high-end heating and cooling system available today? A newly built home comes with a certain tranquility that's not common among previously 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 roll the cost into your monthly mortgage payment. The money you save in operating costs will typically offset the increase in mortgage payment - which means you may see a positive cashflow!