Vent exhaust fan through soffit. Venting the fan through the soffit reduces the risk of such backdrafts since the installation angle is different from the wind. Thats when I learned that many people are opposed to exhausting bath and kitchen fan through vented soffits because warm humid air gets sucked back into the attic which can condensation on the roof sheathing and create staining or mould. 10 Best Bathroom Exhaust Fans With Light And Heater Conclusion. This guideline will describe how to vent a bathroom fan through soffit without the hassle and damaging the soffit itself. It is important to make sure that the exhaust fan and soffit are not damaged. Feb 14 2012. Do Your Exhaust Vents Terminate At Soffits Charles Buell Inspections Inc. This issue is caused by ducts not being properly sealed.
Yes seriously a soffit can be a perfect venting location for the exhaust fans although its purpose is to enhance the home aesthetics. The main reason is that the humid air that exits from these terminations can be drawn into your soffit vents adding moisture to your cathedral ceiling assembly or attic. It is important to make sure that the exhaust fan and soffit are not damaged. A soffit exhaust vent cover is installed in a straight line as much as possible from the bathroom exhaust fan.
Here are the points to keep checking while installing a soffit vent. If there are bends or dips then that means the moisture in the air can accumulate in those low parts from condensation. Where should I vent my bathroom exhaust fan. This objection is understandable but it is probably not too compelling 2. You must consider both the soffit and exhaust fan simultaneously. For a soffit vent installation you need to align your vent cover with your exhaust fan properly to ensure optimum airflow. Dont put it on a wall near or under a roof overhang.