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Whilst you're specifically asking about the Uniform Building Control, I'll add this as this answers the question for people wanting to know the answer that would be compliant with UK building regulations: In the UK, utility rooms in newly built homes require either a continuous airflow of 8 litres per second, or a switchable (intermittent) fan capable of at ...


No, this is not a code requirement for laundry rooms in dwelling units (at least in the 2012 IBC). In fact, most dryers are essentially acting as exhaust fans when they run because they take air from the room and exhaust it outside.


IRC - 2006 Requires bath fans only if no operable window. Bathroom ventilation can operate intermittently at a minimum of 50 cfm or continuously at a minimum of 20 cfm, the same as 62 Bath fans must meet the design airflow either through on airflow either through on site testing or using their certified rated flow at 0.25” water column. Bath fans must be ...


I can't quote chapter and verse, but in 10+ years, I've never had a building inspector ask for one. To me, that tells me it's not in the code. Personally, I like timers a lot. To be sure about your jurisdiction, call your local building department.


As far as I know no active fan is required by code in laundry rooms. Most laundries vent the dryer outdoors which is sufficient to dissipate humidity from the room. Washers generate very little ambient moisture. However if you intend to vent the dryer indoors then you certainly will need some form of added ventilation to distribute the moisture across a ...

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