Unverified82% confidenceTradeoffTime unknown
壁装换气扇需在墙上开孔通向室外，安装成本高但排风稳定；窗装型免打孔适合租房，但密封性差、冬季易漏风且防雨性能弱
1
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82%
Confidence
Long-term
Relevance
-
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Unverified墙体打孔式通风器通风量大、密封防雨好、不影响开窗，但需破坏墙体且安装成本高；窗缝式安装免打孔可自装，但防雨防虫性弱、隔音差。承重墙/外保温墙打孔需谨慎评估82% similarUnverified免打孔设计核心优势是不损伤墙面、退租无痕，适合租房或不允许打孔的环境78% similarUnverified免打孔方案适合租房及瓷砖墙面（避免破坏防水层），但代价是承重低且深度受限；追求承重和稳定则必须接受打孔破坏墙面77% similarUnverified外墙、保温层墙面（多为空心保温板+抹灰）不宜打孔安装，易破坏保温层导致渗水、结露，应选免打孔或改换内墙位置77% similarUnverified吸顶式排气扇美观隐蔽但需吊顶预留空间和检修口，壁装式安装简单但需墙面开孔且外观突出，已装修房屋改造优先壁装77% similar
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