I got this idea from the fact like you say that excess energy from windmills can be dumped in a water tank.
Didn't really want to have to buy any equipment to tie into the grid, just thought of using the energy from a windmill to supplement the heating system for a house.
Was thinking along the lines of
-Windmill,
-Insulated water tank,
-Circulating pump,
-Some method of transferring the heat to the house, like car radiator and fan
or perimeter pipe, or large coil of pipe, old cast iron heat exchanger, positioned low in the building.
Something simple and cheap that would work as a supplement.
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