Bathroom Fan Installation Through Finished Attic

Bathroom ventiliation fans are an essential component to any bathroom.

Bathroom fan installation through finished attic.

They exhaust moist or stinky air outdoors while pulling in cleaner drier air from your surrounding rooms. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. This makes removing the old housing and installing the new housing a much less complicated job. Climb into the attic and clear away any insulation from around the hole.

Determine where the ceiling joists are and do not cut into the joists for any reason. Draw a mark on the bathroom ceiling where you d like to install the vent fan. If you have access to the attic the fan can vent either through a gable wall or roof. And under while medium bath fans work well for bathooms 70 to 100 sq ft.

For instance if your home has an attic you can get to the fan from above. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. The best way to proceed with a bathroom fan installation with no attic is to run the venting duct between the ceiling joists and through a nearby exterior wall. Look for the special fans starting at 160 at heating cooling equipment.

A single exhaust exits through the roof figure a. The 2nd bathroom vent drips on the floor and is ruining the ceiling. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Avoid venting through a soffit vent or ridge vent.

You mount a switch in each bathroom. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan. In this post i ll show you how to replace a bathroom fan in a finished ceiling where you can t access it from an attic. For optimum performance locate it between the shower and the toilet.

Small bath fans provide adequate bathroom ventilation for 79 sq ft. This system is quiet too. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. The first step in figuring out how to install a bathroom fan is cutting a hole based on the size of the fan you need.

When you replace a bathroom fan in a home with an attic the job will usually be a lot easier. For bathroom over 100 sq ft use a large or exhaust fan to circulate the air.