I'm toying with the idea of building one of these to use as a pool heater. Has a... | Hacker News

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		prometheus76 on March 14, 2024 \| parent \| context \| favorite \| on: Giant 'sand battery' holds a week's heat for a who... I'm toying with the idea of building one of these to use as a pool heater. Has anyone here tried this?

onlyrealcuzzo on March 14, 2024 | [–]

Why not just do solar heating?

prometheus76 on March 16, 2024 | | [–]

Because I have sunlight for a solar panel year-round, whereas I only have solar heat for a limited time.

samstave on March 14, 2024 | [–]

Seems like according to everyone above - why not just use the water from your pool.

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