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Venting Bathroom Fan

Question:

Well, if you do that, you will end up with bathroom exhaust in the kitchen and kitchen exhaust in the bathroom.    -Scott – Hide quoted text — Show quoted text – >Question:  When the builders installed my bathroom fan they placed the >venting hose over the soffit.  Can you tie that hose into the kitchen >stove hood vent pipe through the roof? >Please reply via e-mail >Thanks in advance!

Response:

or whereever to do this. Just splice this into the vent stack in the attic & you’re in business. Also, check to see if there’s some sort of anti backflow flap thingamajig (tech term) to keep the smells from cross mingling. This may or may not be a problem, I don’t know. Regards & such, Ben just my opinions, not the company’s – Hide quoted text — Show quoted text ->Question:  When the builders installed my bathroom fan they placed the >venting hose over the soffit.  Can you tie that hose into the kitchen >stove hood vent pipe through the roof? >Please reply via e-mail >Thanks in advance!

Response:

> Question:  When the builders installed my bathroom fan they placed the > venting hose over the soffit.  Can you tie that hose into the kitchen > stove hood vent pipe through the roof? > Please reply via e-mail > Thanks in advance!

No. Basically, one carries humidity, while the other carries grease. Most jurisdictions will allow that only if you install a fire damper between the two. You can run the bathroom fan exhaust through the soffit (right term?) and install an exhaust grille right there. That way, you won’t have any humidity in the attic. — Michel Gagnon  –  Montr

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