Reply To: Thermal sand battery prototype.

  • MartHale7

    January 26, 2024 at 11:14 pm

    I have a pelter fan that could be useful…

    Now I am looking into storing heat chemically..

    If you put these hand warmers into boiling hot water they re-charge. They would store heat for years….

    I have ordered some quicklime to do some experimenting with.