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by sagarm
1803 days ago
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Just did the math and supporting a ~70F (50F-> 120F) rise at 1GPM (faucets are limited to about this) requires 9kW, or about 40A at 240W. Supporting a bunch of 40A circuits in a typical home would require a massively upgraded circuit panel for most homes -- 200A or even 100A service is common. A centralized system avoids having multiple circuits with potentially high loads like this. Not to mention the likely gigantic heat exchangers required to transfer 9kW! |
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