When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?
...carbon monoxide (CO) poisoning. How to remedy a problem of negative pressure: As mentioned above, make sure your furnace has an outside air intake. If the stove hood is moving 400 CFM or more, it may be necessary to have a make up air supply system installed, but first see if the flow can be reduced.
If you don’t have ...