Proper Way To Vent Bathroom Exhaust Fan

This article series explains why bathroom vent fans are needed and describes good bath vent fan choices necessary fan capacity and good bath vent fan and vent duct installation details.

Proper way to vent bathroom exhaust fan.

Plan your vent ductwork route. 7 mistakes not to make in your bathroom remodel do let your. Surprisingly bathroom fans are not required by some building codes. 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.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. And under while medium bath fans work well for bathooms 70 to 100 sq ft. 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. Bathroom exhaust fans perform an important function by removing excess moisture from your home.

Next plan the bathroom exhaust fan location so that the duct has the shortest and most direct route to the roof or wall vent. Regardless of what the code or your inspector might say about bathrooms with windows not needing a fan it s a good or great idea for all baths to have an exhaust fan. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans.

We explain how to install bathroom exhaust fans or vents the vent ducting. And for proper bathroom ventilation your exhaust fan needs to vent outside not into the attic or another area of the house. A bathroom is an ideal place for mold to take root. It is moist warm and can remain in that state for quite a while if there is no ventilation.

For bathroom over 100 sq ft use a large or exhaust fan to circulate the air. Bathroom code does address the issue of moving odor and moisture laden air from the bathroom to the outside. The first step is to understand the concept of bath venting including how to choose the right fan for your bath and just as importantly how to install it right. Bath vent fan installation building codes bath vent fan troubleshooting bath vent fan repair.

Small bath fans provide adequate bathroom ventilation for 79 sq ft. Avoid venting through a soffit vent or ridge vent. Options for venting a bathroom exhaust fan include best to worst. If you have access to the attic the fan can vent either through a gable wall or roof.