Well...your right about the earth....temp is stable..but utilizing that would be geothermal 'heat pump'...diff than an a/c compressor based pump....generally the geo systems are used for radiant floor heating.
Same effect, tho.......basically residential and rv heat pumps work the same....they have the ability to control direction of freon ...
2015 F350 Platinum Fx4 6.7 Diesel Dually. B&W turnover, B&W Companion, air bags and wireless controller.
2015 Heartland Road Warrior 420 Rt
2012 f250 Fx4 6.7 Diesel crew cab tinted n tuned
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