bathroom humidity is supposed to be removed by the exhaust fan and I wanted to
out if there is a timer type switch that when my fan is plugged in to a standard
prong) outlet, I could install a small device that would shut off the fan after
perhaps 20 or 30 minutes.
the reason is so as to not send the cool dry house air outside as there is
small negative pressure inside the house bathrooms and the air is replaced by
in some cool air from inside the house.
20 or 30 min of fan runtime should be sufficient after a shower to dry the
if there is such a product, kindly provide a link or name, thanks
I use Intermatic wall timers (spring wound 60 minute range) to do what
you are suggesting. Works well with about 10 minutes after the shower
ends of run time. The timer is about $17 at Lowes. It mounts into the
wall box in place of the fan switch.
I don't have a switch. Once lights are turned on in bathroom (that's the
power for everything inside), the fan activates as the plug socket is now
energized. So I would need something simple to connect between the fan plug
and ceiling socket
The solution I'm looking for would allow lights to remain on but time the
Right. How many cubic feet is your bathroom. Assume it is 100%
relative humidity (saturated). My fan is 70 cfm and many are 100 cfm.
So how long will it take to move the bath air out into the infinite sync
outside. You'll increase the world's RH by .00001%, but your bathroom
will go down to 50% in that time (rule of thumb).
I replaced the bathroom wall switches with timer switches. They
automatically turn off from anything up to 30 minutes. They are GE
brand. Bought them at Big Lots for a couple bucks each, installs in
less than 5 minutes.
I have been looking for a shut off timer like this for the past few years.
Unfortunately, there is no such product.
The only solution is to buy a wall timer, a junction box, a receptacle, a
power cord and put them together. It cost about $25 and an hour of labor.
Yes, and ???
It's not only for humidity but also odor !!! and right now my tempo is
this switch has 3 positions
1) light and fan on
2) light and fan off
3) light off and fan on tempo
so you can choose to use the fan or not when you leave ....
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