Unverified85% confidenceTradeoffTime unknown
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
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified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82% similarUnverified穿墙排风若墙体外露端应加装防风雨帽（外墙罩），防止雨水、飞虫、鸟类进入管道；朝外风口需带百叶或防风倒灌结构79% similarUnverified壁挂式安装需在外墙打孔(直径约110mm)，承重墙或高楼层受限时应提前确认物业是否允许外墙开孔，租房及不可改造外墙情况不建议购买壁挂新风78% similarUnverified空心砖、加气块等疏松墙体不宜直接用普通膨胀螺栓固定防盗窗，需用化学锚栓或穿墙对拉螺栓固定到承重结构，否则整窗易被整体撬脱76% similarUnverified免打孔与承重不可兼得：胶粘/吸盘方案安装快无损墙面，但承重弱且长期高温潮湿会脱胶；打孔方案承重强稳固但留孔损墙、租房不友好76% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/352048API
curl https://kongchang.com/api/v1/knowledge/claims/352048MCP
get_claim(id=352048)