Venting Bathroom Fan Through Sidewall
The model building codes adopted by most jurisdictions typically require bathroom ventilation to be provided either by an operable window 3 sq.
Venting bathroom fan through sidewall. To remove excess moisture from your bathroom the fan needs to vent outside. No matter the location of the bathroom you can vent the exhaust fan through the wall. Since a bathroom vent fan should run for 10 15 minutes after you finish your shower to remove all the moisture consider a fan that cuts on and off automatically using a moisture sensor or replace the wall switch with a timer. Ductwork is what will connect the fan to the outside.
In our new house the soffits are a long way from our bathroom so the easier route was to install a wall vent outlet similar to a dryer vent outlet directly below the attic vent on the side of the house. Climb into the attic and clear away any insulation from around the hole. For optimum performance locate it between the shower and the toilet. How to vent a bathroom fan through the wall.
Draw a mark on the bathroom ceiling where you d like to install the vent fan. But what happens when a building s design makes it difficult or impossible to vent a bath fan to the exterior. If you need to install a new duct for venting your bathroom exhaust through the. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
How to vent a bathroom fan through soffit avoid bends in the hose. There are really only three venting options. A 3 or 4 inch duct connects to the outlet on the fan housing and runs to a side wall or to the roof and connects to a vent cap that allows the exhaust to disperse outdoors. Ensure the proper vent hose size.
A fan or fan light combination is installed in the bathroom ceiling then vented through the roof or through a soffit or side wall. You should try to install the soffit exhaust vent cover in a straight line from the bathroom. Bathroom ventilation requirements summary. Previously i had helped a friend install an exhaust fan and we routed the vent out to the soffit.
With the flip of a switch odors and excess moisture are easily vented outside. You may be able to configure a short route. Or greater or by mechanical means a bathroom vent fan 20 continuous or 50 cfm intermittent vented to the building exterior.