Questions: 1) how loud are the vents to open and close 2) can you privately open them and close them without them walking in? 3) does this vent fluctuate between hot and cold often? 4) if you put the journal in a ziplock bag(you’ll have to do this if temperature changes happen often), do you have stuff for moisture control? see here (link to US amazon, non affiliate direct link) 5) Will putting your journal there block the vent? 6) have you tried under your dresser or behind it?