Unverified80% confidenceTradeoffTime unknown
HEPA级滤网净化能力强但更换成本高(H13滤芯往往一年一换、单次数百元),若所在城市空气常年优良,选H11级+可清洗初效即可,避免长期高滤芯支出
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80%
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Long-term
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UnverifiedH13级HEPA滤芯净化效率高,PM2.5去除率优秀,但滤芯属于耗材需定期更换,年维护成本相对不低86% similarUnverified采用H13级HEPA滤芯为耗材需定期更换,长期使用需将滤芯费用计入持有成本84% similarUnverifiedHEPA等级越高过滤越干净,但风阻增大导致同档位风量下降20-40%、噪音和电耗上升;日常城市空气选H12+初效滤网组合,兼顾净化与风量比一味追求H13更实用84% similarUnverified过滤效率看滤网等级:H11可过滤95%PM2.5,H13(HEPA)可达99.95%且能拦截更细颗粒;重污染城市选H13,但阻力大需搭配更大功率风机否则实际风量骤降84% similarUnverified过滤等级看HEPA标准,H11过滤效率约95%、H12约99.5%、H13达99.95%;重污染城市选H13,但HEPA等级越高风阻越大,会显著降低实际出风量并增加能耗84% similar
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