[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

空气能热水器选购看COP值,标准工况(环境20℃/水温55℃)下COP≥4.0为高效机型,实际全年综合能效比(APF)能到3.0以上就属优秀,比电热水器省电约60-70%

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90%
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Long-term
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