Geothermal heating and cooling systems make use of the earth's all-natural warmth for heating and cooling functions, decreasing environmental impact

https://zenwriting.net/tammonaagn/the-relevance-of-regular-a-c-upkeep-for-a-comfortable-home

Geothermal a/c systems make use of the earth's all-natural heat for home heating and cooling purposes, decreasing environmental influence.