I just tested it again too...I am having smoke now with just the 1st floor lit...I tried it with and without mods. But If the smoke stack is moved, it will stop producing smoke. That might be what I was experiencing when building the lot, as I was moving things around.
@Nuke615 the link you provided doesn't work for me, but given the information about moving the chimney, I should be able to test that in my own game; will let you know my findings.
Edit: nope, I can move the chimneys all around, but they still display the smoke.
Sorry..I recalled that lot to fix the back door..the link up there has been fixed....here's the lot
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