Tanks can be heated at night (or midday), when electricity is cheaper and, in my...

		teruakohatu on Jan 16, 2023 \| parent \| context \| favorite \| on: Heat pumps of the 1800s are becoming the technolog... Tanks can be heated at night (or midday), when electricity is cheaper and, in my case, when non-renewables are contributing less to the grid.