Black Hawk, Colorado, Geothermal Heating & Cooling We're getting the word out in Black Hawk, Colorado: in today's economy, geothermal heating and cooling is definitely the smart way to go! Ground conditions in Black Hawk are just right. How about our seasonal temperatures? They vary enough in highs and lows to almost guarantee that geothermal heating and cooling will give you the best year-round satisfaction. You'll love how much a geothermal system can decrease your energy expenses, too. The proof? Take a look at our Geothermal Savings Calculator. Contact WaterFurnace today. We've got quite a bit more to discuss with you about the advantages of geothermal heating and cooling in Black Hawk. Best of all, we install and service WaterFurnace geothermal systems, the finest on the market.