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fart fans #154347 04/23/05 06:06 PM
Joined: Mar 2005
Posts: 24
A
AdamsAtoms Offline OP
Member
Is a bathroom exhaust fan required in a residential bathroom that has a window? Plus, What code book lists the requirements for bathroom exhaust fans as I would like to buy a copy? Thanks.

Building Codes & Related References
Re: fart fans #154348 04/23/05 07:59 PM
Joined: Aug 2003
Posts: 1,374
R
Ryan_J Offline
Moderator
This would be found in the applicible building code (IRC, IBC, UBC, etc). In a dwelling unit, the window must have 1.5 sqaure feet of opening or an exhaust fan. In a commercial building, mechanical ventilation is required regardless.

The book store at this site is actually a very good place for buying various code books, but you will want yo know what code you have adopted first.


Ryan Jackson,
Salt Lake City
Re: fart fans #154349 04/24/05 08:59 AM
Joined: Jan 2002
Posts: 1,457
E
Electricmanscott Offline
Member
In Massachusetts you must have a fan if you have a tub or shower. Does not matter if there is a window.

Re: fart fans #154350 08/04/05 11:30 AM
Joined: Aug 2005
Posts: 49
F
foestauf Offline
Member
Here no fan required when you have a regular size window.
Building that I'm in now the A/C company (Wich is actually the same company as us but different division) installed the fans thinking they where needed, when we got there we had them take em out:-)

Re: fart fans #154351 08/04/05 01:57 PM
Joined: Jul 2004
Posts: 9,543
G
gfretwell Offline
Member
In Florida the "toilet room" requires 3 sq/ft of window opening or mechanical ventilation. (1203.5)


Greg Fretwell
Re: fart fans #154352 08/04/05 02:41 PM
Joined: Jan 2002
Posts: 1,457
E
Electricmanscott Offline
Member
Quote
Here no fan required when you have a regular size window.
Building that I'm in now the A/C company (Wich is actually the same company as us but different division) installed the fans thinking they where needed, when we got there we had them take em out:-)
Are they prohibited?

Re: fart fans #154353 08/09/05 11:38 AM
Joined: Aug 2005
Posts: 49
F
foestauf Offline
Member
No but it wasn't on our prints so we was not going to wire it. Wasn't needed by code and we did not want to do a change order.

Re: fart fans #154354 08/09/05 02:03 PM
Joined: May 2001
Posts: 144
T
Tony Moscioni Offline
Moderator
In Ontario,

Not an Electrical safety Code Requirement, but a Building Code Rule.

Under the Ontario Building Code:

9.32.3.4. Principal Exhaust

(2) Except as permitted in Sentence (3), the principal exhaust fan shall be controlled by a manual switch.

(3) A principal exhaust fan required under this Article may be controlled by a dehumidistat or other automatic control
device where the manual switch required in Sentence (2) is capable of activating the fan regardless of the setting of the
automatic control.

(4) The switches required in Sentences (2) and (3) shall be centrally located in the dwelling unit and shall be identified
with the words VENTILATION FAN.

(5) The principal exhaust required in this Article may be provided by means of a heat recovery ventilator installed in
accordance with Article 9.32.3.11.

Tony Moscioni ~
Electrical Inspector
Electrical Safety Authority
Phone: 416-991-4145
Tony.Moscioni@ElectricalSafety.on.ca

Re: fart fans #154355 10/13/05 09:17 AM
Joined: Aug 2001
Posts: 7,520
P
pauluk Offline
Member
The British Building Regs. list a rather complex set of guidelines, but basically mechanical ventilation of a bathroom is required only if it has no opening window.
http://www.tlc-direct.co.uk/Technical/Ventilation/RegsF1Sec1/Regs01.htm


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