Auxiliary water-heater tank? ? ?
Recently I read somewhere that it's possible to add an auxiliary tank to
supply water heaters.
The purpose is, water comes from underground into a storage tank, where the
temperature of the water is raised by ordinary basement temperatures --
especially in furnace rooms.
This water then feeds water into the heating tank at a considerably higher
temperature, thereby saving energy costs.
This is common sense. Is this technology available now?
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