Geothermal for New Construction Las Cruces homeowners wanting to build a new home will find WaterFurnace geothermal products to be their top heating and cooling option. Especially with the planning assistance, installation, and service that we at Sun City Plumbing & Heating offer. First of all, you should consider that WaterFurnace geothermal systems have proven themselves to be the most efficient, energy-saving, earth friendly heating and cooling solution in the industry today. Then, think on this – you can easily absorb the initial cost into your monthly mortgage payment. And the additional amount to your monthly payment is usually less than the monthly savings you will see by installing a geothermal system in new construction. For more information on why geothermal is the best choice for Las Cruces residents building new homes, contact Sun City Plumbing & Heating. And be sure to check out our Geothermal Savings Calculator.