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Hot tub?
My family has decided that we should get a hot tub and the only arguments I can come up with are that they're 1) expensive, 2) a hassle, and 3) a giant energy sink, all of which they care little about. Is there any "practical" way to make one the least bit economical? It'd be possible to use it as a precooler for the AC condenser (maybe replace the fan all together), but I'm not sure hard that would be and it wouldn't get me anywhere in the winter. I think my only chance in the winter, besides fossil fuels, would be solar. Maybe I could just put in solar hot water for the whole house while we're at it. Idea?
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