So to respond, yes I generally suggested the above for dry climates, I have also lived in humid climates and agree to all the comments regarding them. However I

So to respond, yes I generally suggested the above for dry climates, I have also lived in humid climates and agree to all the comments regarding them. However I am willing to bet we use electrical heat pumps out of sheer convenience even in climates that offer alternatives. That having been said, even for humid environments, the ground often offers us solutions that are more efficient. https://en.wikipedia.org/wiki/Ground-coupled_heat_exchanger https://en.wikipedia.org/wiki/Ground-coupled_heat_exchanger They do however ofcourse require engineering and support from society to adopt.