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amakarevic 02-28-2008 02:16 PM

kitchen fan duct safety
is it unsafe to run a kitchen fan duct beyond a certain treshold length because, the longer they are, they more grease fumes cool on their way out and collect on the walls, posing a grease fire hazard ?

the ideal would be to situate a stove and its fan right against an outside wall so the duct has a short way out. but that is not the case in my basement kitchen, which is in the middle of the apartment, and it is a city row house, i.e. the other side of the wall is the neighbor's house.

currently, i would have to run the duct about 10 ft, that is the shortest distance between the stove and the outside. is that too long to be safe ? should i consider a fan that just filters and recirculates inside ?


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skymaster 02-28-2008 08:54 PM

Check with the mfg of the fan. Personally I dont like 10' run for a kitchen fan, remember any bend adds lots of run to it. a 90 degree adds several feet of run to EACH bend.

amakarevic 02-28-2008 10:25 PM

no bends
straight line along the wall from the stove to the hole out. i guess that's good.

skymaster 02-29-2008 10:56 AM

RT*M , and or call mfg anyway also you might want to find a discreet way to ask your local bldng dept what the codes are b4 you do this. Grease fires are really nasty

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