Sunday, 7 August 2022

window units increase humidity

Over the last few years I have bought three new window units and all three increase the humidity instead of decrease it.
I can turn on the A/C in the bedroom and go to bed and it's cooler but the humidity is way higher than what I had when I went to bed.
I have tried under sizing the unit so it runs more but that makes no difference. I put a 5k BTU in a 600 sq ft area and it did the same thing.
My last experiment I ran it in DRY mode and it still increased the humidity from 41% to 48% over night.

I notice that these new units don't let the condensate drip out the bottom like the older units. I understand this is to increase the efficiency? Can I add a drain hole and will the humidity decrease like it's supposed to?

Thanks


source https://hvac-talk.com/vbb/threads/2241493-window-units-increase-humidity?goto=newpost

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