Exhaust fans in laundry rooms are usually required when there is no exterior window in the room and the dryer to be used heats with gas power.
Exhaust fan required in laundry room.
Surprisingly bathroom fans are not required by some building codes.
A laundry room requires ventilation which can be a window or a fan.
Energy recovery ventilator erv these are the most effective way to increase laundry room ventilation.
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.
Co in large amounts is hazardous to humans and can cause asphyxiation death.
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.
To exhaust the carbon monoxide co.
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.
They pull out the existing air and replace it with fresh outdoor air simultaneously.
In those areas ventilation in bathrooms is required but it can be from a window or fan your choice.
Mechanical code requires ventilation not exhaust the dryer takes air out of the room needs to draw air from somewhere this would be if its considered a confined space also if it was a gas fired dryer.
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.