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That said, THE BEST way is to go through he roof.
OR.....
speaking as a person who's installed a few hundred of these, i have to disagree with that remark. the manufacturer's recommend a horizontal exhaust path to decrease the force which is needed in a vertical exhaust duct; that is what you get when going through the roof. find the nearest soffit or gabled wall to exit.
Location: Visitation between Wal-Mart & Home Depot
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Quote:
Originally Posted by citydweller
So yesterday I had a bathroom exhaust fan installed (it had none) so I decided to venture up in the attic to look at the install. Basically they cut a hole in the ceiling, installed the unit which has a hose which snakes over to the eaves of the house. I am not sure if this is an issue but basically the fan is discharging in the attic. Since I have no roof vents the moist air can go no where but stay in the attic. Any advise if this is a proper install would be appreciated.
Sounds like a hack job. If you have eave vents, code (in my neck of the woods, anyway) only requires that an exhaust fan "exhaust" near the vents, but this isn't exactly ideal as you are not positively displacing moisture/bad gas and if you do not have vents in the soffit (as it seems you are suggesting) then you aren't vented at all.
A qualified HVAC contractor should know better and do better work. You may want to put him on the spot for it.
You can find the correct roof vents at Home Depot or similar. Not that hard to install. You do want to get the warm, moist air from your bathroom completely out of the attic.
You probably could route the hose to a gable vent, maybe adapting a short length of heater type vent ducting.
Location: Visitation between Wal-Mart & Home Depot
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Quote:
Originally Posted by citydweller
nope, I only have gable vents. I have to find someone to do the work. It's kind of tough finding someone when you HOPE they will do the job right.
There is nothing about this work that would prevent you from DIY, but it isn't unreasonable for you to want a pro on the job. I don't know anything about code requirements or enforcement where you live, but my city requires an HVAC contractor to pull a permit for ANYTHING having to do with heating, ventilation, or air conditioning (including something as simple as bathroom exhaust fans). If you are a DIY guy, that's a huge pain in the butt. If you don't feel confident to do the work yourself, local code enforcement can be your best friend. If you have the option, you should contact the guy who did the work and tell him that you don't think the job was adequate and if it isn't rectified the inspector is going to be involved. He may become considerably more conscientious very quickly.
I have 4 roof vents and the 2 gable vents. I was told there is inadequate ventilation and plan on installing some eave vents.
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