Unverified78% confidenceFactTime unknown
能耗等级国标已更新,新一级能效滚筒普遍带变频电机,长期使用电费差异显著,但需注意'一级能效'与'洗净比'是两个指标,洗净比≥1.04才算优秀
1
Sources
78%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Unverified能效标识看新国标一级能效(水效也需一级),滚筒普遍比波轮更省水但用电略高;家庭高频使用(每周≥5次)时一级能效的电费差异长期显著,值得优先84% similarUnverified能耗等级看新国标(一级为最高效),但需结合洗涤+脱水综合能效及水效等级判断;变频电机比定频节能并降噪,一级能效变频是长期使用的性价比选择83% similarUnverified能效等级看新国标(2021版)一级能效滚筒机耗电量比三级低约30%,但选购时应重点看'洗净比'(一级需≥1.03)和'用水量'两项,单看能效星级会忽略洗净能力83% similarUnverified能效标识中一级能效比二级能效年耗电通常低15-25%,但价差需结合使用年限评估;风冷变频一级能效机型综合最省心79% similarUnverified精度越高(0.2级)越贵且饱和裕度越小,普通配电监测和分项计量0.5级完全够用;只有贸易结算、变电站计量才值得上0.2S级77% similar
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