Source? John Gulland wrote the book on modern wood heating. There's tons of good information on that site.
Oops! Enough air sealing.
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Active since 1995, Hearth.com is THE place on the internet for free information and advice about wood stoves, pellet stoves and other energy saving equipment.
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Holy smokes!! Get it!! Wow 1050, you have a giant kitchen? Super BTU range? Or long run duct with 4 elbows!!?
We had this pop on our gas boiler and shut it off over the summer. It hasn't happened sense and it was a really windy day so I think some strong downdrafts triggered it.
I didn't even know it was there until the tech showed me. It actually works on temperature and apparently has a bimetallic coil inside
Ah, so that's why some of it's main supporters are Selkirk, Obadiah's, Morso, Hearth Products Association of Canada etc. etc. All untrustworthy folk.
I doubt any of those organizations will guarantee all the content on Woodheat.org site.
Woodheat.org has a bad rap for a page claiming outdoor air supplies are ineffective. They'd have a leg to stand on if they stuck with detailing the inadequacies in the requirement and the fact that outdoor air supplies can not solve all backflow issues, but they went quite a bit further in trying to argue that outdoor air supplies are worthless.
However, that is separate from your point. If the code did not actually change in 1995, it should be possible to post a link refuting that specific claim.
After requiring outdoor air supplies in 1990 research was done by the National Research Council of Canada which showed that they gave no advantage in the average Canadian house and could be a source of danger so the requirement was dropped in 1995.
That in no way says that they are not beneficial in some circumstances and locations. I am not aware of any similar research done in the U.S. to prove the point one way or the other.
Edit
When my brother living in the UK installed a woodstove their local code required a 6" X 6" hole be made
in an outside wall in the room containing the stove. That wouldn't fly in Canada either.
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That's your opinion, my opinion is that that site is not reputable. I base that opinion mostly on their OAK POV. I'm certain you have seen in media or politics where one statement made by a person can ruin his reputation forever. This is like that but much worse.
God forbid I am ever judged by one professional opinion I have given. Disagreeing on a single article does not condemn the wealth of good information John has contributed to the hearth industry. That's definitely throwing out the baby with the bathwater.
Hi squirrel. I did a quick perusal of that web page you posted. Now I'm not the sharpest nut in the tree but it seemed to me they were more concerned with eliminating the downdraft possibilities more than the usefulness of supplying combustion air in a loop closed from household air. Hence they used open loop systems like fireplaces and fireplaces with glass doors.
I could have saved them some time informing them that an open fireplace with intake air wouldn't stop a downdraft scenario. It's only common sense it wouldn't. Even a closed loop,system cannot dispell the possibility of a down draft occurring.
Air intakes were never designed to stop the possibility of all down drafts. They were designed to feed air for combustion instead of taking that air from inside the house.
I have to agree with high beam in this one. I get the feeling reading the conclusions of this purported study that someone was doing a little backwards engineering on their science to prove a preconceived hypothosis. Smells more political than scientific.
Anyhow enjoy the stove.
There's a good reason unvented gas fireplaces are illegal in Canada. You guys might actually use them. 
Down here they're used by Yuppies that change into jeans and open a $100 bottle of red vinegar on their leather couch and go camping for an hour. Then they'll shut the thing off, hop into thier beemers and go clubbing.
As for the OAK. I'm not even sure what my local, state laws are on thier use. Dammit I'm an American, I built my house by myself and if I want an air loop feeding my woodstove I'll have it. I got my Certificate of Occupancy in the mail 22 years ago. The building inspector who I knew quite well said the codes are whatever I say they are. Just let me know when you want to move in and I'll mail you the CO.
That's how I roll.
Down here they're used by Yuppies that change into jeans and open a $100 bottle of red vinegar on their leather couch and go camping for an hour. Then they'll shut the thing off, hop into thier beemers and go clubbing.
As for the OAK. I'm not even sure what my local, state laws are on thier use. Dammit I'm an American, I built my house by myself and if I want an air loop feeding my woodstove I'll have it.
I got my Certificate of Occupancy in the mail 22 years ago. The building inspector who I knew quite well said the codes are whatever I say they are. Just let me know when you want to move in and I'll mail you the CO. That's how I roll.
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