hi hippy,
it is hard to believe ,i know, but it is true. i am running a dehuey ( i set the deuey @ 30% RH ) and a 9000btu split AC unit at " dry " mode in 16 m2 room, but RH is still around 50% !
they are running for roughly 10 hours.
and in tent, RH is between 50 - 65 % while lights are on...