Tunica, Mississippi, Geothermal Heating & Cooling We're spreading the word throughout Tunica, Mississippi: in today's economy, geothermal heating and cooling is absolutely the smart way to go! Ground conditions in Tunica are just right. And our seasonal temperatures? They vary enough in highs and lows to virtually guarantee that geothermal heating and cooling will provide the best year-round comfort. You'll love how much a geothermal system can reduce your energy expenses, too. The proof? Take a look at our Geothermal Savings Calculator. Contact Air & Heat Service Co. today. We've got quite a bit more to discuss with you about the advantages of geothermal heating and cooling in Tunica.