If you’re an aussie, you know it as a reverse cycle. A shockingly large amount of the rest of the world only know window unit air cons

When cooling they act the same way (and similar to a fridge, it’s pretty basic tech, scale is what makes them more efficient) but if your climate makes a heatpump viable you’re trading out a heavily polluting heat source instead. Swings and roundabouts

Heat pumps. Work as heating and cooling, far more energy efficient

I’m never gonna stop laughing at a half assed theory heavily based on half remembered Asimov stories and SCPs

Allegedly

Got ours second hand from a buy nothing group. It has no apps. It doesn’t know what the internet is. It has D-SUB and RCA ports. It’s perfect