[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

一级能效省电与购买成本的权衡:一级比二级能效每年约省30-50kWh电,若使用年限不足5年或每天开门频繁抵消了能效优势,多花的差价难以回本,短期租房或过渡使用选二级能效更划算

1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen

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