It s all outdoor air anyways right.
Bathroom exhaust to attic.
Avoid venting through a soffit vent or ridge vent.
Bathroom fan sound levels.
However you can vent a bathroom fan through an attic while it terminates on the roof or gable end.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.
Keep calm if that happens to you.
Exhaust air from toilet rooms and bathrooms shall not discharge into attic crawl space or other areas inside building.
Options for venting a bathroom exhaust fan include best to worst.
Climb into the attic and clear away any insulation from around the hole.
For optimum performance locate it between the shower and the toilet.
T he result of the insulation problem around a bathroom exhaust fan is either water stains or mold near the vent of your bathroom.
It cannot move air to a crawlspace or attic.
Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.
No you cannot vent your bathroom exhaust fan into the attic.
This section notes that air exhausted from the bathroom must be sent outdoors not indoors to the same residence or indoors to any other dwelling unit.
Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
You should never exhaust the bathroom fan directly into the attic.
While this may seem obvious homeowners may out of convenience direct the vent into either of these locations.
Ceiling fans vent either into the attic or outside through the roof.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
See bathroom vent duct termination for details about how to terminate the bath exhaust vent duct.
Wall mount fans are mounted on an external wall of a home and are used if there isn t a way to vent through the roof as in the case of a bathroom on the first floor of a home.
Insulation problems will lead to other problems like the fan not being able to extract any humidity from the bathroom at all.
There are wall mount exhaust fans as well as ceiling exhaust fans.
If you have access to the attic the fan can vent either through a gable wall or roof.
Example model ventilation codes.
It seems like such an easy solution just leave a bathroom vent hose in an attic.
When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.
No you should not vent a bathroom fan directly into an attic.