Venting Bathroom Fan Through Soffit

And while both a roof vent and an overhang vent perform this task there is one big difference. Options for venting a bathroom exhaust fan include best to worst. A down through soffit exhaust vent design by leaving warm air in the exhaust duct when the fan is off creates a heat trap that reduces heat loss out of the bathroom through the exhaust fan duct when the fan is off in comparison with up routed vents or even horizontal vents through a gable end wall.

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A hole in the roof may cause it to leak.

Venting bathroom fan through soffit. And the closer the termination is to the soffit vents that supply ventilation air to the attic the more likely that moisture from the bathroom will be drawn into the attic. That s why wall terminations are preferable to soffit terminations. When a bathroom exhaust duct terminates in a soffit it drips. Venting through a soffit is often done but this vent should be isolated from intake soffit vents by several feet at a minimum.

Sometimes venting the bathroom fan through soffit is the easiest solution as you don t have to go onto the roof. I am getting a new roof installed and tear off and likely a lot of plywood and am simultaneously getting a new bath vent fan. Behind a soffit vent. As the warm moist air leaves the bathroom through a soffit it leaves in a downward motion.

This eliminates the need for you to make a hole in the roof or your walls. The soffit vent system solves a long standing problem in the building industry. 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. The soffit exhaust vent is ideal for exhausting bathroom and kitchen fans through the soffit of your home.

However natural air flow from the outside will bring. Its stylish flush mount design and leak proof collar to duct connection help to prevent moist air back draft. Behind a gable vent. Yes you can vent the bathroom fan through soffit.

The damage caused by venting a bathroom exhaust fan to a soffit. The soffit vent system is an adapted termination that now gives builders and homeowner the ability to vent bathroom exhaust fans through the soffit without running the risk of the exhausted air from going back into the attic. The point of a bathroom exhaust vent or any vent really is to remove hot moist air from the house. Even for the second story bathroom you can access the attic to vent the moisture outside.

I have gotten mixed opinions on whether to vent the new fan through the roof or through the soffit eave. It is feasible to vent your bathroom through the soffit rather with the help of plumber phoenix az. If you are looking for a diy install roof ventilation is a risky job. In cold weather it forms icicles.

In other cases it can be difficult to vent a second story bathroom to the side of the house. This product includes a frost free damper system that will not freeze in cold temperatures. Shirlock homes apr 10 12 at 10 09. Through the roof or an exterior gable wall.

It completely defeats the purpose if warm wet air is sucked right back in the attic by an adjacent soffit vent. The roof contractor recommends the soffit to minimize protrusions through the roof.