I use it to maintain humidity levels at 95% in a mushroom fruiting tent. Its a game changer. Previously I had used a number of humidity meters made by other companies. All of them malfunctioned at high humidity levels. The inkbird maintained 95% levels well. I realized that that could be done without condensation in the tent.

Im so glad I bought this. The heating/cooling unit in my older condo doesnt have a built-in humidifier. So in cold/dry Minnesota winters, I need to manually add humidity. I prefer running a simple Vicks brand steam vaporizer. But several times I have accidently left the vaporizer on too long and my windows would fog up and drip condensation. This unit is great for automatically controlling the vaporizers operation. I simply set a desired humidity level and a variance factor. In my case a setting of 40% humidity with a variance of 3%. So when humidity drops below 37%, it turns on the vaporizer and keeps it on until humidity reaches the set goal. Ive had it running for a couple of months now with no problems. This unit has actually two outlets. One for controlling a humidifier and the second for controlling a dehumidifier. So Im actually only using half of its functionality.

I use this to control the humidity in my snake tank after my girlfriend accidentally set the humidity too high and I came home to a very wet tank!! :O The accuracy seems very good as I have 3 other humidity sensors in the tank and the read almost exactly what this device reads. I only use it to turn on and off the humidifier, and I do not have a dehumidifier device attached. It works great. I expect that this device will cause the life of my humidifier to be significantly less because it is turning on and off, BUT this is expected with electronics. The more you turn on and off things, the less life they have. None the less, my snakes health is most important so I love this so I know her humidity is perfect. I will update if the product dies but so far it is running great!

This humidity controller is OK when it functions as intended. Programming is relatively easy and it seems consistent. However after a few weeks I started getting an ER- code. The device emits a loud tone when this happens and ceases to function. After inspecting the device I found nothing amiss with the setup. After an hour or so the unit clicked back on and resumed normal function. This pattern continued and increased in regularity resulting in semi-regular humidity dips and as a result the plants suffered greatly. This behavior became more and more regular as use of the device continued. Eventually the ER- would not clear and the device was removed from use. Upon further inspection and disassembly of the sensor whip it appears as though one of the leads was not seated all of the way into the connector, resulting a short and the ER code. After reseating the lead the device was tested and functioned per normal. That sensor whip contains a strain reduction loop which the sensor cable wraps around prior to reaching the sensor. While this is a nice feature... it results in the leads being almost taught within the sensor enclosure and likely was the root of the failure I experienced.

There are two ways to control humidity and this device controls both. I used it to turn humidifiers on when the humidity dropped too low. This unit can also turn on ventilation when humidity gets too high. (But I didnt use that feature.) Makes humidity control easy!

I love my humidity controller. It works perfectly for maintaining the perfect humidity in my terrarium. I’ve tested it against other Hygrometers, and it’s pretty accurate, plus you can tune it. Recently used it to run a room humidifier, to increase the humidity in the bedroom at night. The possibilities are endless! I wish it had some smart integration, I would like to see a historical graph over time. Also, disabling the Alarm for high or low Humidity would be nice as well.

Excellant - Works as advertised. Im using it to control my humidifier in a 10x30 room. Works Great.

For years Ive been disgruntled at purchased de-humidifiers and their lousy humidity control. The sensors in these products are sloppy at best and often fail over time. The key to this controllers effectiveness is the very accurate sensor itself, the rest is just common sense digital control. The available options and settings for controlling the dehumidifier are top shelf! This also works with humidifiers so am looking forward to doing some testing this winter. I FINALLY know exactly what the humidity level is in my basement and rest assured my power consumption to maintain my desired humidity is minimized. (you can even calibrate this controller if you have a known good dry bulb kit or similar) Yes, the set-up is somewhat confusing, but if you have a basic understanding of humidity and hysteresis settings, its a breeze, and easily adjustable at any time you desire. For the price, this is an amazing control, and I would highly recommend it to anyone wanting better humidity control in any environment. Ive had it running for a month now 24/7 with no problems.

Very dependable, easy to navigate and goes what it is supposed to do A+

I needed a way to control the humidity in my 3 x 3 grow tent. I bought this on March 14, and it works great for both humidification/dehumidification so far. You need to make sure that whatever devices you plug into it have on/off switches and not buttons: the unit powers whichever designated outlet is required to obtain the humidity set point. Only a device with a switch in the “on” position will turn back on when the outlet is energized. I was able to understand the directions, and I feel the humidity readings are pretty accurate. I order a lot on Amazon, and I’m very pleased with this purchase. If it holds up to the test of time, then it will definitely earn the 5 stars.