You have to have a temperature delta to make this work. (Thermodynamics 101.) A ground source heat pump is one way to do that: In Texas in the summer, a few met

You have to have a temperature delta to make this work. (Thermodynamics 101.) A ground source heat pump is one way to do that: In Texas in the summer, a few meters underground is always cooler than the air. https://en.m.wikipedia.org/wiki/Geothermal_heat_pump https://en.m.wikipedia.org/wiki/Geothermal_heat_pump