this post was submitted on 28 Oct 2025
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I can't think of a single thing on a fridge that needs to be smart.
Nothing needs to be, but I do like to monitor door status and temperature for my fridge and deep freezers with home assistant.
Have these functions actually proved useful? I think I've had maybe one fridge failure in my entire lifetime that resulted in a complete loss of contents. And many dumb fridges these days have open door alarms.
The door monitor mostly helps when a kid walks off leaving it open thinking they closed it.
The freezer temperature monitoring has saved the contents several times. A breaker had tripped once and I didn't notice, it let me know that I needed a generator during a power outage, and one of the kids snuck an ice cream and left the lid wide open.
So yeah, it's been useful. It's not needed 99% of the time.
An alarm that beeps when the door is left open more than X minutes (say, 5 minutes) only requires a stupidly simple circuit and about $5 in parts.
No smarts needed (though it's probably cheaper to make it with a microcontroller than have the timer circuit be done with discrete parts).
Hmm, my fridge is in my kitchen, which is in the middle of the house. I've never been in a situation where the fridge door has been open more than a couple minutes without me noticing, and I have three kids.
I've had two fridges die (well, the same one twice), and that sucked, but there's not much I could do about it even if I knew a few hours earlier, and I use the fridge enough I'll notice within a few hours. Refrigerator deliveries often happen after a few days, and I'm not going to keep stocking ice during that period, I'll just consume what I can and move the important stuff to the mini fridge or chest freezer.
It would be cool, sure, but it's not worth having it connected to the internet.