Bathroom Fan Electrical Connections

now that i've got the duct/soffit question answered, i have a question regarding the electrical.
i'm replacing an existing ceiling light with a bathroom fan/light combo.
i don't think it's a problem, but i figured i might ask. :)
anyone know if its a problem to hook up the electrical for the fan AND the light to the same switch so that once you flick the single switch both the fan and light go on.
i don't want to change the existing wiring to the existing ceiling light fixture.
also, i'm gonna be hooking up a wall timer and there are those for lights only and those for fans/lights...
http://www.smarthome.com/4253.HTML
stupid question but i'm assuming i need the one that would be able to handle the motor as well, or is that necessary?
thanks!
rg
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RGMetro

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RGMetro wrote:

My question is where are you venting it to? The fan without a vent to the outside can be very bad news.
The switch you are looking at should work just fine.
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Joseph Meehan

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"My question is where are you venting it to? The fan without a vent to
the outside can be very bad news.
The switch you are looking at should work just fine."
______________________________________________________________
i'm venting it outside through a vinyl soffit with a soffit vent.
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RGMetro

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Well that is better than venting it directly to the attic, but not a lot. Venting it out a soffit means you are venting it to the area that normally is the IN vent for your attic so it will tend to suck that warm moist air into the attic which is where you don't want it.
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Joseph Meehan Wrote:

true...and i've been going back and forth between this and the roof installation and heard people give support for the soffit vent as well.
what i plan on doing is covering the small holes in the vinyl soffit a foot or two to the left and right of the soffit vent to minimize the air getting sucked back in.
i'm fairly confident it won't be an issue. thoughts?
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RGMetro wrote:

It will depend on a number of factors including local weather conditions, the total venting area etc.
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Joseph Meehan

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