Bathroom Vent Vented To Attic

Two bathrooms two roof vents each bathroom has its own exhaust fan.

Bathroom vent vented to attic.

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. No you cannot vent the bathroom exhaust fan into the soffit vents. Can you vent a bathroom exhaust fan into the soffit vents. Bathrooms can only benefit from some type of exhaust venting system but which type do you need and what does the bathroom exhaust fan venting.

On my home inspections it is still a common sight for me to see bathroom vents going directly into the attic spewing moisture. Bathroom exhaust fans perform an important function by removing excess moisture from your home. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Options for venting a bathroom exhaust fan include best to worst.

If you vent the bathroom exhaust fan to close to the soffit vents which are vented plates under your homes outer edge and roof your home the air can be sucked right back into the attic from the soffit. This involves running ductwork from the fan usually though an attic and out through the roof. Each fan vents separately out the roof. The problem with this approach is that all of the moisture in the air goes onto the wood sheathing insulation wood rafters and wood ceiling joists which can lead to mold growth and rot.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof.

We explain how to install bathroom exhaust fans or vents the vent ducting the vent termination at the wall soffit or roof vent fan wiring bath vent duct insulation bath vent lengths clearances routing and we answer just about any other bathroom ventilation design or installation question you may have. 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 fan vent code requirements include no venting to attic areas to help reduce mold or structural problems. Smells are merely an annoyance.