Exhaust vent distnace to window

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Aug 20th, 2017 7:24 pm

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Aug 19th, 2017 10:08 pm

restie [OP]: Member; Mar 18, 2015; 229 posts; 179 upvotes; Mississauga, ON

Aug 19th, 2017 10:08 pm

Exhaust vent distnace to window

Anyone know if there is any regulation/by-laws in Markham/Ontario that dictates the distances between an exhaust vent and a window?
My dad used to be a building inspector in California and said that they had a regulation that there was a minimum distance of 4' between a window and an exhaust vent.

4 replies

Aug 19th, 2017 10:32 pm

Wonivek: Member; Oct 14, 2007; 373 posts; 47 upvotes

Aug 19th, 2017 10:32 pm

I assume you are referring to a hot water tank or furnace.

The answer is yes.

I believe that it needs to be at least 1 ft off the ground level.
No closer than 3 ft to any natural gas regulator and I believe at least 1 ft from any window that is operational (can open).

Someone had also mentioned in the last that if your furnace is larger (more than 100k btu) the distances change.

Aug 19th, 2017 10:37 pm

restie [OP]: Member; Mar 18, 2015; 229 posts; 179 upvotes; Mississauga, ON

Aug 19th, 2017 10:37 pm

Sorry, I was referring to the kitchen exhaust.
I forgot to mention because everyone should just automatically know what I was thinking.
Sorry about that.

Aug 20th, 2017 8:21 am

mrweather: Deal Fanatic; Aug 29, 2011; 8601 posts; 5519 upvotes; Mississauga

Aug 20th, 2017 8:21 am

I knew there were rules for venting furnaces and hot water heaters, but I've never heard of similar rules for general exhaust vents.

I mean common sense should dictate not to have it within inches of an openable window...

Aug 20th, 2017 7:24 pm

restie [OP]: Member; Mar 18, 2015; 229 posts; 179 upvotes; Mississauga, ON

Aug 20th, 2017 7:24 pm

The thing they have in California is 4 feet from an openable window.

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