Chester, Illinois, Geothermal Heating & Cooling We're spreading the word throughout Chester, Illinois: in today's economy, geothermal heating and cooling is definitely the right choice! Ground conditions in Chester are just right. How about our seasonal temperatures? They fluctuate enough in highs and lows to virtually guarantee that geothermal heating and cooling will give you the best year-round satisfaction. You'll love how much a geothermal system can cut your energy expenses, too. The proof? Take a look at our Geothermal Savings Calculator. Contact Schumer Bros Inc. today. We've got quite a bit more to discuss with you about the benefits of geothermal heating and cooling in Chester. Another great thing, we install and service WaterFurnace geothermal systems, the finest on the market.