Code For Bathroom Exhaust Fan

Important nec bathroom regulations.

Code for bathroom exhaust fan. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Required bathroom vent fan ventilation rate in cfm.

90 cfm and 2 5 sones. Bathrooms must have windows when this section is adopted by a community it essentially says that for venting purposes bathrooms must have windows that open. Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons.

Well there s no specific building code requirement for the bathroom vent location exhaust fan installation. Durable high impact housing ensures quiet operation and maximum performance. A bathroom fan is an essential piece of hardware in any indoor bathroom without a window.

25 or 50 cfm ft for hotels motels resorts and dormitories and a slightly more modest 20 50 cfm for private dwellings. This keeps the moisture from the shower bath or sink from encouraging mold growth. You can have it almost anywhere on the ceiling or wall floors are forbidden due to possibility of vent flooding.

General lighting fan circuit required. Each bathroom should have a circuit for lighting and an exhaust fan according to the code this circuit may be a 15 amp circuit if it serves just lighting but it should be a 20 amp circuit if it is also serving a vent fan. The air king bfq bathroom exhaust fan features an easy installation system with the included bracket that attaches to the ceiling joist allows the fan housing to simply snap in.

The fan pulls air out of the bathroom and allows fresh air to be drawn in.