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NANOOK - open source DIY 19kW GWHP
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02-17-19, 10:42 AM
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pavel
Lurking Renovator
Join Date: Jan 2019
Location: Czech Rep.
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Here in Czech Republic, I would spend at least 3000 USD per year for direct electric heating. So it's quite a good ROI - if that's what you are asking for.
pavel
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