Columbia, Mississippi, Is Going Geothermal! American Air Specialists has obviously had a part to play in that! We're a heating and cooling contractor who’s specialty is installing and servicing geothermal systems right here in Columbia, Mississippi. Area homeowners place their confidence in us for ... our experienced, highly educated staff our expert geothermal installation and service capabilities the planning assistance and advice we offer - to help Columbia customers get the most from their geothermal installations If you've been thinking of going geothermal, contact American Air Specialists today, Columbia's top geothermal contractor. (For a quick overview of the kind savings your family could be getting with a geothermal heating and cooling system, try our handy Geothermal Savings Calculator.)