I had to get a permit to install the insert, the city guy inspected it 3 times while the install was going on. It meets code. Yes, it is an external chimney. Homeowner's association here can't ban indoor woodburning. I get more smoke smell from one of my other neighbor's BBQs (grease, meat) than I have wood smoke smell. Milner351 has it much worse than I do.

(broken link removed to http://www.canada.com/montrealgazette/news/montreal/story.html?id=50a34c28-106f-4ced-8376-619db1f348d9)
(see avitar)