Unverified90% confidenceDecision RuleTime unknown
适用面积 = CADR值(m³/h) × 0.07~0.12。买净化器时用房间面积÷0.08反推所需CADR,如20㎡卧室至少需要250 m³/h颗粒物CADR
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Unverified适用面积估算公式:CADR值(m³/h)×0.07~0.12=适用面积(m²)。层高2.8m下取0.1系数较稳妥,如CADR 400对应约40m²,但为达到每小时换气5次的净化效果,实际选购应按房间面积的1.3倍余量选CADR89% similarUnverified颗粒物CADR值(m³/h)÷10≈最大适用面积上限(㎡),实际选购应按房间面积÷0.6~0.8反推所需CADR,如20㎡卧室需CADR≥300~400才能保证换气效率88% similarUnverified适用面积(㎡)≈ 颗粒物CADR值 ÷ (5~7),例如CADR为400的机器实际有效净化面积约57~80㎡,选购时按实际房间面积的1.2倍冗余选CADR88% similarUnverified适用面积估算:CADR值(m³/h)÷10 ≈ 推荐适用面积(㎡)。例如CADR 400对应约40㎡,选购时应让实际房间面积小于推荐值的70%才能保证快速净化(每小时换气5次以上)87% similarUnverified净化能力看颗粒物CADR,20㎡卧室需CADR≥300m³/h,40㎡客厅需CADR≥500m³/h;一体机因加湿模块占用风道,CADR普遍低于同价位纯净化器,选购时按房间上限选型87% similar
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