ProMatcher

How long should a bathroom fan run after I finish showering?

Top Answer: 10-15 minutes (21% of 38 votes).
How long should a bathroom fan run after I finish showering?
Less than 5 minutes
15%
5-10 minutes
21%
10-15 minutes
21%
15-20 minutes
7%
20-25 minutes
13%
At least 30 minutes
2%
Not sure
18%

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Updated on December 29, 2015

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Comments From Our Pros

Answer: 20-25 minutes
Explanation: A good rule of thumb is to let the bathroom exhaust fan run for about 20 minutes after showering. This gives it time to remove the remaining humidity and condensation from the room. Larger bathrooms, longer showers, or higher humidity levels may require more time. Using a timer switch can make it easier to keep the fan running long enough without leaving it on unnecessarily.
Knoxville Tub to Shower Conversions
Answer: 20-25 minutes
Explanation: Atleast 20 minutes is the most common suggestion
Construct Boss
Answer: 10-15 minutes
Explanation: Best to suck out the moisture in the room.
Misija construction
ProMatcher
Answer: Not sure
Explanation: Home owners discussion.
G&J Carpentery Services
Answer: 5-10 minutes
Explanation: Run the fan until all of the moisture is out.
Ward Kitchen & Bath
Answer: 15-20 minutes
Explanation: An appropriately sized bathroom fan will take 15-20 min to remove all the moisture.
Relux Construction LLC
ProMatcher
Answer: Not sure
Explanation: each brand shows its timing
Dmar.Remodeling.llc
Answer: 5-10 minutes
Explanation: That is all that is needed.
Kitchen Remodeling Chicago
Answer: 20-25 minutes
Explanation: depends of the size of fan and bathroom
JJS Home Improvements LLC