Humidity Control in the Indoor Aquaponics Grow Space

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When I built this thing, I knew that I would have to come up with something to deal with the humidity in the room.  With just the quail in there I’d get frost on the windows when it got cold.  Add a 100 gallon tank of warm water….yeah, humidity.

There are two windows and a big sliding glass door in the quail house, so they get all wet from dew building up on them.  Wet wood is a long term problem so this needed to be addressed right away.

My solution was to install a vent fan (like a bathroom ceiling fan) in one of the windows and connect that to a dehumidistat.  I got the vent fan at an Ace Hardware store for about $18.  The dehumidistat turns the fan on if the humidity in the room is too high and turns it off when it’s low enough.  You can adjust the humidity level just like you do with your thermostat for temperature in your house – just turn the dial.  Very cool, and it works great.  Easy to install too and it came with great instructions.

I got a Broan-NuTone DH100W Dehumidistat to do the job, and it’s doing it well.  4 Star rating and $15.99 with Free Prime Shipping (it was $25 at Home Depot).

Broan Dehumidistat

Here you can see my sophisticated venting solution, LOL.  I just took some scrap wood and screwed the vent fan to it. Then I routed the vent out of the window and filled the gap with an old pillow.  I will fabricate a more elegant installation and insulate the plywood eventually.

vent 2

We had a week or so of below zero temps here and I had practically no dew build up – just a little in a few corners of a window.  We get that in the house sometimes when it’s really cold so I call that a win.

I have the unit set at 50% humidity right now.  In the summer months I’ll bump that up or even turn it off completely when I can have the windows open.

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