3 ms·

Heat the swimming pool during the day and then use the heat pump at night.

• ed25519FUUU 5y ago
  How does that store energy for the grid?
  • toomuchtodo 5y ago
    Reduces grid demand by localizing the energy, storing it on site thermally. Air conditioners that make ice at night and cool during the day do the same.
    • wrycoder 5y ago
      Freeman Dyson devised an a/c system at Princeton that involved using snow making machines to generate a large pile of ice in an insulated shed during the winter (with the doors open) and circulated coolant through the ice pile and the buildings in the summer (with the shed doors closed).
      • pfdietz 5y ago
        Freeman Dyson wrote about it, but it was Ted Taylor who did it, I think.
      • aitchnyu 5y ago
        There is a passive ice pile technique, but for producing water https://en.wikipedia.org/wiki/Ice_Stupa https://en.wikipedia.org/wiki/Ice_Stupa