Also heat pumps work a miracle because the fluids they use are NOT perfect, platonic fluids that obey the ideal gas law. https://en.m.wikipedia.org/wiki/Joule–

Also heat pumps work a miracle because the fluids they use are NOT perfect, platonic fluids that obey the ideal gas law. https://en.m.wikipedia.org/wiki/Joule–Thomson_effect https://en.m.wikipedia.org/wiki/Joule–Thomson_effect