[KongchangAI]
Unverified87% confidenceDecision RuleTime unknown

北方冬季选空气能热水器要看低温工况数据:普通型在-7℃以下COP骤降甚至无法制热,需选带电辅热或专为低温设计的超低温机型(可在-25℃工作)

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