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xkcd #3109: Dehumidifier
(imgs.xkcd.com)
Title text:
It's important for devices to have internet connectivity so the manufacturer can patch remote exploits.
Transcript:
[A store salesman, Hairy, is showing Cueball a dehumidifier, with a "SALE" label on it. Several other unidentified devices, possibly other dehumidifier models, are shown in the store as well.]
Salesman: This dehumidifier model features built-in WiFi for remote updates.
Cueball: Great! That will be really useful if they discover a new kind of water.
Source: https://xkcd.com/3109/
welll........ devils advocate.. i could see the wifi being used so the device can be incorporated into the home automation system [climate control]. its not about dehumidifying, its solely about engaging the dehumidifying as needed.
Yeah, or the manufacturer bricks the device bcz they want to sell you a new one.
That's why projects like this are great: https://github.com/Hypfer/esp8266-midea-dehumidifier
My Midea Cube dehumidifier can never be bricked and will never send data outside of my home. It talks to Home Assistant via MQTT and nothing else.
A dehumidifier that doesn't have any wifi can't be bricked either.
Yeah but I want to control it with the average humidity from sensors across my house
It's almost like you can just set the dehumidifier to a certain humidity level and fan speed and then never touch the settings again. That's what I did with my humidifier. It's as dumb as a box of rocks, but it quits working during the summer when the humidity goes up and then turns back on the rest of the year with zero interaction besides adding more water
I mean, yeah. I wouldn't have found that project and gone to the effort of using it if a simple dehu was all I needed. I wanted something I could control with my local home assistant install, and you can't just hard power cycle a dehumidifier, it kills them.
Dehumidifiers already do that. They're equipped with hygrometers that kick the machine on or off depending on the relative humidity. It's old tech and it's pretty reliable, wifi isn't really necessary for it.
To steel-man the argument some more, if you have variable-rate electricity, it could turn on when electricity is cheap.
This can be done with something like Zigbee. Or even simpler: you hook a non-connected device up to a "smart" power socket. No need for the device itself to talk to the outside world.
The solution to too many unnecessarily-connected devices is more connected devices?
Now you're getting it!
The solution is not more but different connected devices so I can decide for myself what needs to be connected and by which protocol. Get the dumbest device on the market, no wifi, no internal clock, maybe not even a humidity sensor and then, if and only if I need to remote control it, for example to put it on a schedule, I can use the cheapest "smart" device on the market to connect it to an in-house machine that can turn it on and off.
You could do all that without internet connectivity, just sayin.
Dehumidifiers aren’t there to make your house more comfortable though, they are there to keep (usually basements or garages) from growing mold. In fact they usually heat up the space they’re in. So unless you want to have a log of humidity, there’s stop no reason to automate it over WiFi, since the humidity setting on the unit is automatic.
As others have said, an alert if the tank is full would be legitimately useful, for a model that doesn't have a drain line.
dont be dictatatin' my humidity comfort level.
That's the feature they sell. But, its real purpose is to monetize your data and/or lock you into some sort of ridiculous subscription service and/or run ads.
That's pretty much ubiquitous for "smart" devices.