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Need Help with Dryer Duct
Posted on 2/16/26 at 12:12 pm
Posted on 2/16/26 at 12:12 pm
The house I bought has a dryer duct that has 3 90s and 2 horizontal runs as the laundry room is in an interior room. It 90s in the wall, goes vertical about 10 feet (up into attic), then goes horizontal about 10-15 feet, then 90s again to the back of the house 10-15 feet (still horizontal.
I feel like I could just get someone to come and remove the horizontal sections and just go straight vertical out the roof. I have called 4 HVAC companies and they do not do this. Do you know of anyone? I am located in Ascension Parish

I feel like I could just get someone to come and remove the horizontal sections and just go straight vertical out the roof. I have called 4 HVAC companies and they do not do this. Do you know of anyone? I am located in Ascension Parish

Posted on 2/16/26 at 12:34 pm to Tiger328
I do not know anyone, but when I wanted to reroute the vent for my range hood, I could not get anyone to touch the roof and eventually had a general contractor friend take care of it for me.
Could you potentially run it out of the soffit to avoid having to touch the roof?
Could you potentially run it out of the soffit to avoid having to touch the roof?
Posted on 2/16/26 at 2:02 pm to Tiger328
The house my daughter lived in during college had a vertical run to the attic the. Ran horizontal run of about 40-50 ft to the soffit on the side of the house. It was a 4” PVC pipe and had a clean out right at the 90.
My SIL bought the house for my nephew and niece.
When my daughter moved in I replaced the washer and dryer and found that the dryer hose from the dryer to the wall was around 15-20 ft long and all twisted up. They had lots of issues with humidity in the house surprisingly enough. The dryer house was absolutely full of wet lint and mold. I bought a rigid hose and cut it to around 6” and got my blower and blew the rigid duct clean.
Never had another issue with it.
My SIL bought the house for my nephew and niece.
When my daughter moved in I replaced the washer and dryer and found that the dryer hose from the dryer to the wall was around 15-20 ft long and all twisted up. They had lots of issues with humidity in the house surprisingly enough. The dryer house was absolutely full of wet lint and mold. I bought a rigid hose and cut it to around 6” and got my blower and blew the rigid duct clean.
Never had another issue with it.
Posted on 2/16/26 at 7:14 pm to bbvdd
quote:
I bought a rigid hose and cut it to around 6”
That’s a solid length.
Posted on 2/16/26 at 9:38 pm to Tiger328
Going vertical at all is discouraged in dryer ducts. That’s how they clog. I’m sure that’s why the companies won’t do it.
Posted on 2/16/26 at 10:18 pm to Tiger328
I would get a ventless heat pump dryer. I have one and it works but takes longer to dry. You also have to clean out the coils when they get too much lent on them maybe once every year or two but it will be easier than keeping that long duct run clean.
Posted on 2/16/26 at 11:22 pm to Tiger328
You need a vent fan on that setup. I have one that’s wired to some current transformers that turn it on automatically with the dryer.
This post was edited on 2/16/26 at 11:22 pm
Posted on 2/17/26 at 3:52 am to Tiger328
I use to build and flip houses. I built a new home. The dryer line went up a wall, through the attic and out an outside wall. I used a 4” PVC pipe, all the way throughout. Never had a problem, smooth bore line, making it impossible for any problems.
Posted on 2/17/26 at 10:03 am to Tiger328
quote:
has 3 90s
Fire hazard much?
Posted on 2/17/26 at 10:48 am to Tiger328
Call C.C. Chimney in Baton Rouge. They did this at my house. I was in a similar situation.
Posted on 2/17/26 at 11:01 am to Tiger328
While this isn't the ideal solution, a lady that works for me was telling me about her dryer ducts. It vents down into the basement, and instead of exiting the house, they have some sort of catch bin, that she cleans out monthly. She said it was there when they moved in, and because of where the laundry is, it would have been a really long run to exit the house, reducing efficiency. It would have been another 15-20 feet to an exterior wall. You might try something like that, and install it in an accessible place in the attic.
Posted on 2/17/26 at 1:50 pm to TU Rob
That's a lot of moisture going to a basement.
Posted on 2/17/26 at 8:24 pm to Tiger328
Damn, and I thought I had a problem with about 20' of 4" PVC ducting running under my slab with two 90s in it.
Anyways, about twice a year I end up having to plug the duct outside the house, fill the pipe solid from inside, then let it all run out.
Someday they'll come up with a better damned way of attaching the elephant trunk to the damned dryer
Anyways, about twice a year I end up having to plug the duct outside the house, fill the pipe solid from inside, then let it all run out.
Someday they'll come up with a better damned way of attaching the elephant trunk to the damned dryer
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