[KongchangAI]
Unverified80% confidenceCautionTime unknown

常住人口少(1-2人)且热水用量小的家庭不建议买大容量热泵热水器,水箱保温散热损耗会抵消节能收益,且回本周期极长,小容量储水式电热水器或即热式更经济

1
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80%
Confidence
Long-term
Relevance
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