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Venting through dryer exhaust?

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Fluxcap

New member
I'm trying to vent my closet. As of now it vents into my laundry room, via my vent fan through a hole in the way. Can you purchase a y connector and run my dryer and my vent fan out of the same ducting? Or will this cause problems. My fan runs 24/7 but I don't want to hurt my dryer or risk exhausting the dryer into my closet.
Any tips?
 
A

anon0988

Member
Fluxcap said:
I'm trying to vent my closet. As of now it vents into my laundry room, via my vent fan through a hole in the way. Can you purchase a y connector and run my dryer and my vent fan out of the same ducting? Or will this cause problems. My fan runs 24/7 but I don't want to hurt my dryer or risk exhausting the dryer into my closet.
Any tips?
Click to expand...

You can run it through the dryer vent to the outside for sure, the Y split might cause problems. First, when the dryer is not on the air from the closet will leak into the dryer, so it's not going to completely vent it all outside. This could cause problems with indoor odor, and possibly the smell taking to the clothes if left in for very long after a load was done. Second, when dryer is on it could overpower your fan and backfeed dryer exhaust into your closet. This isn't something we can tell you yes or no on because we don't know how fast your dryer exhausts air. I think I would only do it personally on an electric dryer, I wouldn't it with a gas dryers exhaust. That's not to say you couldn't, but I just know to be fearful of exhaust gas leaks when natural gas is involved, why risk it? You'd probably have to test it with the fan running and the exhaust on, then measure air at the intake to the fan to see if it pulls less or even exhausts back in when the dryer is on.

If at all possible, run a second line outside, but the stuff above is at least some stuff to consider if you're going to share one.
 
C

chowdan

Member
Fluxcap said:
All valid points, I think I'll scrap this idea in favor of running two different lines.
Thanks friend
Click to expand...

Don't scrap it just yet. I currently have this exact setup you are looking at. My dryer and tent vents out to a 4" duct. I have a y splutter that connects the two together, however I have installed on the dryer pipe a backflow stopper. This prevents the air from my tent to flow into my dryer when off. I been meaning to get a 6" one for my grow tent(better safe than sorry), however I've been busy with work and hadn't had time.

My biggest issue right now is I have my aircooled hood ducted out through a s turn then is gone from 6" to 4" and out the dryer vent.

Only thing I would say, is if you have gas dryer, do not do this method as you could potentially leak carbon monoxide into your laundry room or house, inturn harming yourself, family, friends, pets, or even worse, your plants.
 
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HerbBender

New member
I know this is an old post but I'm having trouble with this ventilation setup. I have the damper on so the hot air won't blow back into my lights and filter, and so the extracted air won't blow into the dryer. But the problem in having is my clothes won't dry in the dryer can anyone help!?
 
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eyes

Active member
Veteran
If you are running a wye, then use a damper for each- one for the dryer and one for the vent line. This way when the dryer is on, the air finds its way to the path of least resistance which is the outside. If the fan is running 24/7, and you go use the dryer, you could get back flow into the dryer from a more powerful vent fan backing up into the dryer exhaust. You may benefit from two seperate lines. If you dont want to do that, theres a kit that recycles dryer exhaust air to be used inside. Look into that. My guess is your exhaust fan is looping(blowing) back into the dryer. The two opposing air streams are fighting each other.
 
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HerbBender

New member
Thank you eyes I'll have to try the double damper, hell I'll hang dry my clothes before giving up my grow tents haha
 
Q

queequeg152

Active member
Veteran
HerbBender said:
I know this is an old post but I'm having trouble with this ventilation setup. I have the damper on so the hot air won't blow back into my lights and filter, and so the extracted air won't blow into the dryer. But the problem in having is my clothes won't dry in the dryer can anyone help!?
Click to expand...


are you trying to dry clothing with the other ventilation system running?

if so theres your problem right there... dryers are notorious for having very shitty blowers.

couple that with shitty flex duct, hard elbows and louvers... its all a shit fest.

your ventilation system probably has twice the total static pressure capacity of your dryer... it might even be able to reverse the flow of air back through your dryer if you do not have a damper on it as well.
 
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