Laundry Room Exhaust Fan Required

See the nec code requirements in the table below for more specific information.

Laundry room exhaust fan required. Exhaust fans required in this section may be used to provide local ventilation. Choose correct venting material your ventilation hose should be made of rigid metal with a smooth interior to reduce lint buildup. Occupancy controlled lighting will be required too. Exhaust fans that are designed for intermittent exhaust airflow rates higher than the continuous exhaust airflow rates in table 403 4 3 shall be provided with occupancy sensors or humidity sensors to automatically override the fan to the high speed airflow rate.

Last time ventilation a window or exhaust fan was required in a laundry room was the 1991 ubc. If the laundry room does not have a window then an exhaust fan will be required along with a switch. If the laundry room is on an exterior wall with a window or door that air could easily come from the outdoors with all its heat humidity and pollen. If your laundry room has a pet care station or shower stall consider adding a bathroom style vent fan to the ceiling to help prevent moisture buildup.

All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. Energy recovery ventilator erv these are the most effective way to increase laundry room. In those areas ventilation in bathrooms is required but it can be from a window or fan your choice. Surprisingly bathroom fans are not required by some building codes.

05 11 2012 07 07 am 3. A code compliant dryer vent is constructed of a rigid pipe of nonflammable material with a smooth interior finish the smooth interior inhibits lint buildup in grooves and it is not easily crushed or broken. While building codes differ around the country two code compliant vent material options are solid aluminum pipe that is at least 0 4 millimeters thick or.