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A comment on How to cool your apartment for free: DIY aircon uses old plastic bottles. Parent comment

Re:How to cool your apartment for free: DIY aircon uses old ... by throwaway848483 on Saturday June 24, 2017 @09:56AM (#14625583)
I don't know enough about thermodynamics to judge it but a quick search for "venturi effect heat pump" reveal this patent: http://www.google.com/patents/US20090183858
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