what was the year for code for vented bathroom exhaust fan?
What is the code for vented bathroom exhaust fan?
In what year did venting bathroom exhaust out of the house become a code requirement
bathroomcode-complianceexhaust-vent
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Best Answer
This completely depends on your location, and what codes you follow. The first mention of exhausting to the outdoors I could find in International Residential Code (IRC), was in the 2003 version.
In 2006 the code was moved and updated a bit.
In 2012 they added a reference to another code section.
NOTE: It's possible that this requirement existed prior to the 2003 code version, but I was not able to find it. Also note that this is only one building code, and that others do exist.
Thanks to @HerrBag for making me take a second look at 303.3, it appears there is mention of exhausting to the outside in the 2000 version of IRC.
Since this is as far back as I've been able to access the IRC (so far), I can only come to the conclusion that it has always been a requirement. At least ever since mechanical ventilation has been an approved bathroom ventilation method.