throwaway402739

4 ms·

1. 1.▲
   by throwaway402739 3y ago

   There are existing systems today that do this for residential pools. It’s not uncommon for efficient commercial buildings like corporate headquarters to have a retention pond be the heat sink for their chillers in the summer. They’re buildi
2. 2.▲
   by throwaway402739 3y ago

   Why buy a large and expensive PV array at 15% efficiency to run a complex heat pump when you could instead use the sun’s thermal energy directly in a solar water heater at 70% efficiency?
3. 3.▲
   by throwaway402739 3y ago

   If you’re talking about residential wiring, most electricians will (in my opinion) correctly wire rooms to breakers rather than device types. It is infuriating to discover that every light on a story is on the same circuit when you want to