Streetwiseguy
Streetwiseguy MegaDork
1/24/24 2:03 p.m.

https://www.amazon.ca/Wireless-Temperature-Humidity-Monitoring-Smartphone/dp/B08JP39RLP/ref=sr_1_1_sspa?hvadid=208315514367&hvdev=c&hvlocphy=9001268&hvnetw=g&hvqmt=e&hvrand=3490490768062808639&hvtargid=kwd-304827473462&hydadcr=21265_9444704&keywords=freezer+temperature+alarm&qid=1706122524&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1#customerReviews

My freezer needs my attention, to be sure the door isn't blocked a wee bit open.  I am allergic to home automation, but the only useful thing is an alert to my phone.

Is the above a good thing?  Does anybody have a better idea that is independent, and doesn't require Alexa of Siri or some other horrible thing?

californiamilleghia
californiamilleghia UberDork
1/24/24 2:13 p.m.

I was thinking of glueing a piece of wide velcro on my freezer door , 

mostly  for when we are out of town  and there is a small earthquake or something else  that might open the door .

GameboyRMH
GameboyRMH MegaDork
1/24/24 2:22 p.m.

Yeah that looks pretty good for an off-the-shelf solution, it has plenty of ways to access the data including a web interface so you aren't totally dependent on a phone app either.

preach
preach UltraDork
1/24/24 4:40 p.m.

I had about 50# of pig decay in my basement chest freezer this year. An alarm would have been nice.

Tom_Spangler (Forum Supporter)
Tom_Spangler (Forum Supporter) UltimaDork
1/24/24 5:00 p.m.

I've had the freezer door pop open and ruin some food, too, so last year I picked up one of these for $20. No smart automation stuff, just a nice, loud alarm. My freezer is in the basement and our house isn't that big, so this is good enough for us.

NY Nick
NY Nick SuperDork
1/24/24 5:39 p.m.

I use, these, I have one in each fridge and freezer I have, had one extra so it is in my living room. The app is good and there are no recurring fees so I am happy. Put them in at my parents house too and it caught an intermittent bad fridge for them too.

 

https://www.amazon.com/Govee-Hygrometer-Thermometer-Temperature-Humidity/dp/B09T28XRXH

Keith Tanner
Keith Tanner MegaDork
1/24/24 6:04 p.m.

Hmm. It would be useful to have something that triggers off actual temperature and didn't rely on wifi or craptastic IoT. Just a noisemaker. I'll bet you could do it with a bimetallic strip, a 9V battery and a buzzer.

APEowner
APEowner UltraDork
1/24/24 6:16 p.m.

That seems overly complex.  How about something like this -> Door Ajar Alarm

Keith Tanner
Keith Tanner MegaDork
1/24/24 8:33 p.m.

In reply to APEowner :

I'm more interested in the temperature inside than the state of the door. That's only one potential failure point. I want to know about things like compressor failures as well. 

Perfect use for an old-school thermostat. I think I've got one. 

RevRico
RevRico MegaDork
1/24/24 8:55 p.m.

In reply to Keith Tanner :

Freeze a coffee cup full of water. When it's solid put a quarter or a Looney on top. 

Not a constant temp reading, but it'll let you know if things are on the fritz.

914Driver
914Driver MegaDork
1/25/24 9:43 a.m.

Save yourself $79 and just lean a chair or brick against the door.

 

You're welcome.

Toyman!
Toyman! MegaDork
1/25/24 9:53 a.m.

We had a problem with the door popping open. A couple of these solved the problem. 

Keith Tanner
Keith Tanner MegaDork
1/25/24 11:15 a.m.
RevRico said:

In reply to Keith Tanner :

Freeze a coffee cup full of water. When it's solid put a quarter or a Looney on top. 

Not a constant temp reading, but it'll let you know if things are on the fritz.

That requires inspection, and I'm not in the freezer that often. It's a good low tech way to tell you've had a problem at some point, though. 

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