Return air duct from garage to feed the furnace
6/7/2017 at 1:45:34 PM
Mike Holmes said:
It is very dangerous for builders to erect a wall cavity in the garage as a
return air duct to feed the furnace (due to carbon monoxide)
How would I know that my garage does not have such a dangerous fitting?
Do I have it or do I not have such a dangerous thing in my garage?
How do I ensure that I do not have it?
Thanks
6/8/2017 at 5:23:06 AM
Usually no body do have a returne air in an outside walls due to many reasons not only the dangerous of carbon monoxide, but if they do.
. You can start by doing some smoke inside the garage and to check it in the return air duct by a combustion analyzer ppm with furnace high speed fan.
. Visual test of how the returne air duct designed and if it passes threw the any garage walls, if there is an access.
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