Ah, the tragedy of any in-joke. If not everyone is in on the joke, eventually it stops being a joke.

This is my hole! It was made for [MY CHICKEN SOUP]

Eh, I think you might think heat pumps are more complicated than they are. I think they’re about as complicated as a furnace. At the end of the day, in both your just pumping a gas from one place to another, changing the state of the gas, and then running that past air to heat or cool it.