Here's a heat pump water heater that can be placed in a different place than the water storage tank. That might fix the awkwardness of most HPWH applications. A garage, unused basement room, greenhouse, or even outside might make sense.
Also, here's a brand new DC minisplit heat pump that possibly could improve efficiencies.
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Here is another option, will retrofit to any electric boiler and manufactured by Econergy in New Zealand. We could supply this unit with 115V/60Hz compressor or possibly DC compressor if there was demand for this product in USA.
ReplyDeleteCheers, David