The Geothermal Name to Trust in Greenwood Forgive the over confidence, but that would be us: American Energy Guard! Greenwood, Arkansas, residents have been looking to us to meet their geothermal heating and cooling needs for a number of years, now. We'd like to gain your confidence, as well. If you've been thinking of “going geothermal” but have been holding 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 American Energy Guard for the very best geothermal system installation and service in Greenwood - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a brand that resonates in the geothermal industry.