Hi! I am running Umbrel on a Raspberry Pi 4 and I have “Home Assistant” installed in it, I oly have some smart lights connected to it. I would like to integrate a Thermostat with HA. But I am a bit overwhelmed with the different types of connections (Z-wave, Zigbee, Wifi, …)
Do you guys have any kind of recommendation, what connection is better? I would like to keep it local (or connecting remotely via Tailscale) but I would like to avoid any cloud or third-party server solution.
What thermostat hardware can I buy?
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I’m using a Drayton Wiser thermostat, which uses WiFi but has a fully local integration via HACS. Has worked great for me so far.
Definitely Zigbee or Z-wave instead of wifi. Once you start to build out more devices you will be glad to not have gone down the wifi route.
I went with Zigbee and have Sonoff SNZB-02 temperature and humidity sensors in each room that have been absolutely flawless since the day I installed them, and they last about two years on a single battery!
I would obviously recommend them but I don’t have any experience of other thermostats or of Z-wave.
I did also install smart Zigbee TRVs on each radiator but I don’t rely on the internal thermostats of them as they don’t accurately represents the overall room temperature.
I second that solution. I’ve built the same setup for my home last Christmas, even tried different brands of TRVs to see which one I like. Works perfectly well with a Raspberry Pi with Home Assistant. The only issues I ran into were my lack of experience.
I’ve recently started with home assistant on a pi as well. Today I have 2 zigbee relay for my lights from Sonoff, 2 zigbee fire alarms, 1 wifi plug from Shelly and 3 Ikea remotes working on Matter over Thread.
Basically, any protocol you want to support other than wifi and Bluetooth will need a dedicated radio device. Luckily they are all pretty well supposed with home assistant. I have 2 Aeotec Zi-stick, one for Zigbee, the other flashed with OpenThread firmware (that’s for Matter over Thread, it wasn’t a good idea to buy twice the same device, I had to work around this issue). I don’t have Z-wave devices today, as I noticed they tend to be more expensive that the zigbee equipment. The new IKEA smart devices are very competitive in terms of price, they all work on Matter over Thread protocol.
In the end, you don’t need to choose. You can support all these protocols on the same raspberry pi. It’s just a matter of adding the corresponding radio and integration in home assistant.
Nest Thermostat Gen 1 or Gen 2 running NoLongerEvil firmware. You can pick up a gen 2 on eBay for 20-30 USD. It only takes 5 min to load the firmware and there is a HA native integration. Rock solid hardware with no cloud, no google, and it works great with HA. Note that the gen 1 and gen 2 are pre Google buyout of Nest. There is also a cloud hosted dashboard if you want BUT there is no cloud self-hosted docker server and no cloud HA only version as well.
Edit: Nest is WiFi
Wait what?!?! I have two gen 2 nests and there’s third party firmware?!?!
Edit: you made my day… Thanks!!!
Nice 👍 been using NLE as a docker server for a while, just switched to the HA integration (note both options use MQTT to allow HA full control with a climate card).
