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Residential Venting #153909 01/04/04 12:52 AM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline OP
Member
In Residential work is the Bathroom Fan vented directly to the outside or just into the attic?

I've seen a lot that just vent into the attic. Upon exploring our New NY Residential code (based on 2000 IRC) it seems that they must be vented directly to the outside. (R303.3 Exception) Is this a new requirement?

Bill


Bill
Building Codes & Related References
Re: Residential Venting #153910 01/04/04 10:56 AM
Joined: Jun 2003
Posts: 681
P
PCBelarge Offline
Member
How many times have I been in an attic (too many times) to see the vent sitting there, or no vent at all, just the fan. As far as I am aware, the venting was always to vent outside the building.

Bill
It is good to see you have a copy of the NYSRBC (and refer to it), do you have any other of the NYS code volumes?

Pierre

[This message has been edited by PCBelarge (edited 01-04-2004).]


Pierre Belarge
Re: Residential Venting #153911 01/04/04 12:29 PM
Joined: May 2002
Posts: 1,716
R
Roger Offline
Member
Hi Bill and Pierre, in the south in the 70's and 80's it was common to just vent into the attic. I don't know if it was just an ignored code or not. Sometime in the 80's it was changed or atleast enforced to vent all the way to the exterior.

Roger

Re: Residential Venting #153912 01/04/04 12:46 PM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline OP
Member
Pierre,

Many times I've seen the vent hose pointed towards a vent in the attic, but not actually breaking through to the outside. I was actually surprised to see the requirement there.

IMO; in NY the existence of Building codes is still a new idea to most in the Electrical field. Until the recent adoption of the International Codes I had never seen a NY Building Code and still have no idea where the old ones were sold.

We sell the codes in our 'Store' here so I have access to all of them, but I have a copy of the Residential at my desk that I've tried to look into from time to time. I also have a copy of the New 2003 International Existing Building Code that I'd like to delve into when I get a chance just to see what might be coming.

Do you know if the numbering system in the NY codes follow the International codes? I keep forgetting to get the books side by side to compare them.

Bill


Bill
Re: Residential Venting #153913 01/04/04 02:13 PM
Joined: Aug 2003
Posts: 1,374
R
Ryan_J Offline
Moderator
The venting must go to the outside.

The problem I often encounter is people purchasing the "ventless" type of exhaust fan, which are not permitted.


Ryan Jackson,
Salt Lake City
Re: Residential Venting #153914 01/04/04 05:14 PM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline OP
Member
Roger,

Sorry, I didn't see you sneak in there. [Linked Image]

Thanks for the response. I actually was looking to see if any language about switching the Bath Fan was included and was surprised to find the venting requirement.

Bill


Bill
Re: Residential Venting #153915 01/04/04 05:17 PM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline OP
Member
Ryan,

What type of Fan are you talking about?
Do you mean for Range Hoods?

Bill


Bill
Re: Residential Venting #153916 01/04/04 05:31 PM
Joined: May 2002
Posts: 1,716
R
Roger Offline
Member
Hi Bill, no need for an appology. I didn't have much to offer, but will investigate local codes tomorrow.

What did you find about switching?

Roger

Re: Residential Venting #153917 01/04/04 06:10 PM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline OP
Member
Roger,

I didn't see anything about switching of the Bathroom Fan, only that one is necessary.

BTW, it seems like I'm studying a new language here when I look in these codes.

Glazing areas in Windows?

[Linked Image]
Bill


Bill
Re: Residential Venting #153918 01/04/04 06:18 PM
Joined: May 2002
Posts: 1,716
R
Roger Offline
Member
Bill,
Quote
Glazing areas in Windows
that must be in the Bill Gates section. [Linked Image]

Roger

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