We talk a lot about energy storage, but usually in the form of electricity storage. But a large percentage of the energy used around the world is for heating and cooling. And while storing energy in batteries, to then use to heat your home, has proved valuable, what if we just stored the heat directly? That’s what this Finnish company believes they’ve done with their groundbreaking sand battery! Breakthrough Tech Heats Homes Cheaper Than Natural Gas!
Credit Two Bit da Vinci