I go into my kitchen and I look at my fridge, whose job is to move heat outside of itself into the room. Centimetres to the right of it is the oven, whose job is to make heat, and we don't like using it in the summer because its whole thing is making heat. Further right is the AC vent, which is connected to a furnace downstairs, which is connected to a big fan outside which blows my heat into the neighbourhood for a few minutes each morning to dry out the air and make it tolerable with a fan. Right next to the furnace, within a metre of it, is the hot water tank, which is another inside-out fridge that takes heat from the basement and puts it into my shower water.

None of these machines are connected together in any way at all

Like, what are we doing here. What are we doing as a species.

Like, come on, we're clever, we can figure this out.

Running pipes and hoses all through our walls to each appliance so it can send its waste heat back to the water tank? Sounds like a PITA but what with the new plumbing ways, home-run pex and all, no 90-degree joints to fail, it's more do-able now than before.

What about those fridge coils next to the oven? They're probably the easiest, they're right there

The water heater and the AC being divorced from each other is some heckin nonsense tho

My furnace fan only turns one way. The system can't flip flaps by itself. It doesn't have any way to hear if the water heater ask for some of the heat elsewhere in the house. My basement is SO CHILLY and my attic is SO HOT

@ifixcoinops A heat pump water heater pulls heat out of the air in the room it's in. If you have something in that room generating heat...