@PipGowenlock i do get how they work, and that’s a good shorthand for it.
And at the same time, say “think of it like a reverse fridge” out loud with just the right amount of confidence that you’ve stumbled onto something wonderful after a big ole rip
@bikepedantic @PipGowenlock It's like, thermodynamics, man.
@bikepedantic best not to share my description of mechanical heat recovery being an achievable form of Maxwell's Demon.
@PipGowenlock maybe that’s all a testament to how cool heat pumps are.