Unverified85% confidenceDecision RuleTime unknown
PM2.5去除率要看是否配H13级HEPA滤芯(一次性过滤效率≥99.95%),静电集尘式虽免换芯但对细颗粒物去除率通常低于90%且产生臭氧
1
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85%
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Long-term
Relevance
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UnverifiedPM2.5去除率要看是否配H13级HEPA滤网(去除率≥99.95%),而非仅初效+中效;纯热交换新风若无HEPA滤网,雾霾天净化能力有限,需搭配独立净化滤芯92% similarUnverifiedPM2.5过滤选HEPA H11以上(过滤效率≥95%@0.3μm),静电式模块虽宣称高效但会随积尘快速衰减且可能产生臭氧,密闭空间慎选静电式89% similarUnverified选择带H13级HEPA滤网的机型PM2.5一次通过去除率可达99.95%以上;仅配G4+F7中效滤网的机型对PM2.5去除率约60%~80%,雾霾严重地区(AQI常年>150)应选H12/H13以上85% similarUnverified过滤等级看HEPA标准,H12对PM2.5去除率≥99.5%,H13≥99.95%,重污染城市选H13;三层滤网(初效+活性炭+HEPA)可兼顾除尘除甲醛除异味84% similarUnverified滤芯配置看PM2.5净化:初效滤网(防大颗粒/虫)+ H11以上HEPA(PM2.5去除率≥95%)是基本盘;重污染城市建议H13级(≥99.95%),但滤芯阻力大会降低实际新风量83% similar
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