this post was submitted on 31 Aug 2026
425 points (99.5% liked)
Green Energy
4629 readers
43 users here now
Everything about energy production and storage.
Related communities:
founded 4 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Hear pumps do this, but they pump energy into the ground during hot months to cool the house, then during cold months they pull some of it back.