Quote:
Originally Posted by Piwoslaw
Osolemio, could you just heat rainwater for showering through a heat exchanger? The hot mains water wouldn't mix, only give off some of its heat.
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Yes, that is one solution. But if you want to keep the comfort of being able to adjust the temperature, not just a fixed one, you would still need to have hot and cold separately.
For me it is no issue, though, as I have so many heat buffers in my system so I could really have a heat exchanger for this purpose. The question is whether or not it is getting too complicated and expensive, to have a parallel heating system, for rainwater ...
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Space heating/cooling and water heating by solar, Annual Geo Solar, drainwater heat recovery, Solar PV (to grid), rainwater recovery and more ...
Installing all this in a house from 1980, Copenhagen, Denmark. Living in Hong Kong. Main goal: Developing "Diffuse Light Concentration" technology for solar thermal.
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