Deming, New Mexico, Geothermal Heating & Cooling We're spreading the word throughout Deming, New Mexico: in today's economy, geothermal heating and cooling is absolutely the smart way to go! Soil conditions in Deming are just right. And our seasonal temperatures? They vary enough in highs and lows to practically guarantee that geothermal heating and cooling will give you the best year-round satisfaction. You'll also enjoy how much a geothermal system can decrease your energy expenses, too. The proof? Our Geothermal Savings Calculator. Contact Sun City Plumbing & Heating today. We've got quite a bit more to discuss with you about the advantages of geothermal heating and cooling in Deming. Best of all, we install and service WaterFurnace geothermal systems, the finest on the market.