Home Assistant

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The original was posted on /r/homeassistant by /u/thoegn on 2025-11-27 23:58:16+00:00.

Hey everyone! I’ve been wanting to get a co2 monitor for the longest time now and as it’s Black Friday week I thought now my chance. I’m currently leaning towards the one from Switchbot, as I already have a few thermometers from them and it’s fairly cheap. But I’ll be honest and tell you that I have very little idea of my options😅 So if you can recommend me another co2 monitor please do and also if you’re against switchbot's bc of xyz would also be very helpful. Thanks in advance!