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Heating & Air Conditioning Design Dilemma Bathrooms

4" to 6" bathroom fan ducting

Room For Improvement

5 years ago

Our electrician has recommended replacing our current bathroom fan with one of larger capacity. This would require having a separate HVAC subcontractor install a 6" pipe through the attic to the roof to replace the 4" one. I'm happy to increase the capacity, but am not sure the extra expense (TBD) is worth it. Thoughts?

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PRO
BeverlyFLADeziner
5 years ago
Fan size for a bath is determined by the size of the room. The fan specs will tell you what size duct you must have for the duct to work properly. You might find a fan that takes a 4" duct. Just take the time to check the specs. Exhaust in a bath is important to avoid mold.

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Room For Improvement thanked BeverlyFLADeziner
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