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My dryer has an external vent that blows outside our house. In the winter months, the laundry room is very cold (has no HVAC) and I was wondering if there is anything wrong with disconnecting the vent to the outside and just letting the dryer heat the laundry room as it dries clothes.

The laundry room is about 6 X 9 ft.

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    Not sure that this is within our scope, but think of your problem like this: The dryer extracts water from your wet laundry. What the dryer blows out is not warm air, but warm wet air. Each cycle would disperse the amount of water needed to make a load of laundry wet. Do you really want this condensing on the cool surfaces of your room? That is a recipe for some very interesting mold colonies... – Stephie Dec 8 '18 at 21:04
  • I agree with @Stephie - this question is not asking for the community to provide a lifehack. This question is asking the community for their opinions about a lifehack. Vote to close. – BrettFromLA Dec 10 '18 at 16:37
  • I am in agreement with Brett and Stephie; I am uncertain there is a proper home for this question without it being considered off-topic in the Stack Exchange network. However, I would suggest using one of these amazon.com/BetterVent-Indoor-Dryer-Vent-Kit/dp/B00Q4X2FSM – PB Supports Monica Dec 10 '18 at 20:23
  • I'm not sure whether I agree that this doesn't belong here. After all, he's asking about using something in a non-standard way. A grey-area though. Anyway, @JacobIRR, have you considered getting a condensing dryer. You don't need a vent for these, they condense the water within the machine and you have to periodically empty the container into a drain. – Lefty Dec 12 '18 at 7:46
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All the really fine dryer lint that isn’t caught by the filter is going to spread into your laundry room. Imagine what you’ll be breathing in that room after a month or two of use.

I had a dryer with a vent hose that had partially fallen off the back of the unit. I noticed the problem when I reallized I sneezed a lot while doing laundry...

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    @JacobIRR side note: lint collecting in the vent is a common cause of fires as well, so check the vent regularly and clean as needed. Note that drier lint is often used as fire starter when making a campfire. – Stephie Dec 10 '18 at 8:55
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I think that this is a very bad idea.

I have a condenser drier that collects the water that it removes from the load. A single load of towels will give me between 1 and 2 litres of water. If you just vent this into a cold room then this is equivalent to taking a few jugfuls of water and throwing them at the walls. Repeat this for every load of drying that you do, stand back and watch the mould grow.

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