Bathroom Exhaust Fan - 155 items found
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Smallest diameter vent for a bathroom exhaust fan?
Jan 17, 2008 by Appreciatethosewhohelp | Posted in Do It Yourself (DIY)
I am installing a bathroom exhaust fan and have to exhaust through a very thick exterior brick wall. Anybody know of a bathroom fan that allows use of the smallest possible vent?
Determine the right size of fan for your bathroom by calculating the CFM (cubic feet per minute) of the bathroom, which means minimum airflow needed to achieve 8 air exchanges per hour. The formula to calculate CFM is:
CFM = Volume/7.5, where Volume = Length x Width x Height (of the bathroom)
Thus a bathroom that is 10 feet long, 10 feet wide and 10 feet high has:
Volume = 10 x 10 x 10 = 1000
And, CFM = 1000/7.5 = 133.33.
Thus, any fan with CFM listed as 134 or higher is good enough for this bathroom.
After this, if you don't have space for the suggested vent pipe size you'll either end up doing wrong or having to find an alternate choice.
tblcn357 | Jan 17, 2008
I would not go much less that 5 inches. go to a building store and look for a small high efficiency exhaust fan
just wonderin | Jan 17, 2008
You can find them in four inch round but five or six inch is most common
GG | Jan 17, 2008
The vent pipe size is determined by the outlet of the fan. You cannot reduce it. Most are 4" (or larger) to quickly remove the air. Smaller CFM units may have smaller piping but may not do what you want.
sensible_man | Jan 17, 2008
How do I stop a drippy bathroom exhaust fan?
Dec 28, 2006 by jewlzneeds2no | Posted in Maintenance & Repairs
The exhaust fan in my bathroom drips onto the bathroom floor constantly during the winter. I have had a new roof turban installed where it vents thinking it would solve the problem by allowing the condensation to vent up through the roof, but it continues to drip down through the exhaust fan and into my bathroom. It drips whether the fan is running or not running. It's very annoying as the fan is located in the ceiling in front of my sink and I can't stand there without getting water dripped down my back, not to mention the mess it makes on the floor and my rugs.
Any suggestions?
The above answers are good. Also, please check the owners manual for your fan, or contact manufacturer's customer service.
wize woman | Dec 28, 2006
What kind of bathroom exhaust fan should I get?
Nov 02, 2007 by nc | Posted in Do It Yourself (DIY)
I currently have some "builder's grade" Broan exhaust fans in my bathroom. Over the last 5 years or so they have gotten REALLY noisy. It looks like it would be a huge pain in the butt to clean them -- the vacuum cleaner nozzle doesn't fit to clean it.
Anyway, Broan sells a kit to swap out the noisy fan (& motor). Are these worth it? And what do I need to look out for in terms of them fitting my existing fan housing? Also, I'm up for any other suggestions regarding quieting these fans. . .
Thanks!
Yes, buy the Broan kit. They are worth the money and for the ease of installation.
John himself | Nov 04, 2007
how do i bee proof a ceiling exhaust fan in a bathroom?
Apr 21, 2006 by deaeyez | Posted in Do It Yourself (DIY)
bees come into my apartment thru bathroom exhaust fan that is located in the ceiling. i am on the 2nd floor.
A work-around solution is to tuck some screen cloth (fiberglass rather than aluminum) under the cover. The screen can be trimmed with scissors and glued in place with a small bit of adhesive caulk.
The real solution is for your building manager to fit a proper louver where the fan exhausts the building.. what is probably happening is the fan exhausts directly into the attic space ( a code no-no), where the bees get access to your fan.
Herr Bag | Apr 21, 2006
Why would there be cardboard/newspaper behind the grille in a bathroom exhaust fan?
May 14, 2008 by cha0s_wiz | Posted in Maintenance & Repairs
I recently removed the grille(the vent looking thing) off of the exhaust fan, to discover that a piece of cardboard was behind the grille. I checked another bathroom, and there was a really old newspaper in the place of cardboard. Doesn't this defeat the purpose of the exhaust fan which is to take the moisture out of the bathroom? I've thrown the cardboard and newspaper away, but I'm still wondering what purpose, if any, the cardboard/newspaper had.
The paper or cardboard should not be above the exhaust fan. If you live in a cold climate, people either put this in the fan to stop cold air from coming in or from the noise that the fan makes. This would totally defeat the fan use.
Glenn | May 14, 2008
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