Marks's Trusted Geothermal Contractor Air & Heat Service Co. is the contractor more people in Marks, Mississippi, look to for geothermal installation and service. Our specialty is offering ... a professional work force – highly trained, highly skilled, and thoroughly knowledgeable about all things geothermal answers to our customer’s most important geothermal questions installation and service of the highest caliber We're recognized, too, for providing the top geothermal heating and cooling systems on the market today. If you’d like more information on the advantages of geothermal heating and cooling, check out our Geothermal Savings Calculator. Energy savings aren’t the only advantages, of course. Wait till your family sees the year-round comfort a geothermal system provides! Better yet, why hold out any longer? Contact Air & Heat Service Co. today. You’ll quickly discover why so many Marks residents trust us for their geothermal heating and cooling needs.