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If you have an exhaust fan on to remove shower steam, the air needs to come from somewhere. You don’t want it getting sucked in through the walls (bad air quali
by loopdoend 4y ago
If you have an exhaust fan on to remove shower steam, the air needs to come from somewhere. You don’t want it getting sucked in through the walls (bad air quality). Better to open a window.
- Johnythree 4y agoNo. You need a fan+filter to exchange the air.