The Geothermal Name to Trust in Memphis Forgive the pride, but that would be us: Air & Heat Service Co.! Memphis, Tennessee, residents have been looking to us to satisfy their geothermal heating and cooling needs for a number of years, now. We'd like to earn your assurance, too. If you've been thinking of “going geothermal” but have put it off, you can definitely trust us on this: given today's unstable economy, there's never been a better time to learn more about the savings a geothermal heating and cooling system can offer. Want facts? Do a little simple math with our Geothermal Savings Calculator. Then contact Air & Heat Service Co. for the very best geothermal system installation and service in Memphis - and beyond!