There are kits like this sold online, the one linked, specifically type 4 with a drawer, work as follows.
- Put about 1-2 cm of water in, optional an icepack.
- Run your dryer.
- At the end of the cycle, dump the collected condensed water, optionally swapping the ice pack.
Do these work well enough to dehumidify dryer output in a rental environment?
Edit 1: For those recommending me to buy a ventless / condenser / heat pump dryer.
Feel free to send me $50-100 each, as I cannot afford one.
Do note, I do have a vent near where my dryer is, it is just very loud. Thus why I was thinking of supplementing it with this.


Had one of these over 20 years ago, along the lines of the one you linked. It was positively useless. Never again. The air in your home becomes saturated with water so quickly, and your clothes stop drying because the air can’t accept any more moisture. A lot of heat comes out of the vent, ice or an ice pack would be done in less than 10 minutes, you’d drive yourself insane putting new ice in to condense upon, even if it worked, which it doesn’t.
It might work if you put a couple of dehumidifiers in the room with it, but there is just so much moisture output from a dryer I am certain it would overwhelm them in short order because they are not built for that crazy level of moisture. Also, even though your dryer has a lint screen, a ton of lint makes it out anyway, quickly clogging the one in the kit, messing with the throughput. So you take the filter out of the unit so it can breathe, and lint gets absolutely everywhere. It sucks. Don’t do it. Live with the outdoor noisy vent until you can save for a heat pump dryer. Don’t waste your money.
Thank you for your story! I appreciate it.
Np. Rereading it now, I’m sorry my wording was so firm and final, but my experience was so terrible I felt I couldn’t let it happen to another person.
I am almost convinced these things are actual scams just to make money no matter the costs, not just a poor product that underperforms. I think they persist because it seems so plausible that it could work, but it just flat out does not, and the manufacturers just don’t care as long as it still sells.