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Old 06-11-2010, 02:41 PM   #1
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heat vents for vinyl siding

I recently had new vinyl siding put on my house. The vent for my furnace is in the middle of the wall on the back of my house. The contractor put the louver vent cover over the vent when the siding was put up. The problem is that the siding gets warm when the furnace in on and we are concerned that in the winter when the furnace is constantly on the heat will cause the siding to warp. He is looking for some type of vent that will blow the hot air straight out to keep it from blowing down on the siding. He said he can put a piece of aluminum over the siding to protect it but doesn't feel it will look good. I have been searching the internet but can't seem to find something and would appreciate anyi help.


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Old 06-11-2010, 03:44 PM   #2
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The furnace vent should look similar to this. Then I trim around it with 2x3 and wrap the trim in aluminum, then install the J-channel around that.
Never had a problem with the siding getting hot.
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Old 06-11-2010, 05:15 PM   #3
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If your furnace is designed for one, my son's Viessman has a SideShot installed, which blows the exhaust about 10' from the house. Have you asked this of whoever sold you the boiler? GL. j
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Old 06-11-2010, 08:37 PM   #4
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Normally the way I see furnace intake/exhaust is one pipe is just comes out as a 90 degree downwards elbow towards the ground, this is the intake, the exhaust is a 90 degree elbow up, a small length of pipe then a 90 degree to bring it back horizontal. This makes the air shoot straight out, and any condensation will just fall to the ground, and not leak on the siding.

Actually I just googled it:

With a setup like this there should be no heat touching the wall of the house.
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