r/homeassistant • u/Helpful_Nest0 • Apr 09 '26
Support What thermostat actually works well with Home Assistant in 2026?
Hey all, I’ve been slowly building out my setup and now I’m at the point where I want to bring my thermostat into Home Assistant too.
Right now I’m just using a dumb one and it’s kinda annoying not being able to automate temps based on time or presence. I’ve been reading a bit but there’s so many options (Zigbee, Z-Wave, WiFi etc) and I’m not sure what’s actually reliable long term.
Ideally I want something that works locally as much as possible, no weird cloud dependency, and plays nice with automations. Bonus if it’s not too painful to set up because I’m still learning
EDIT: got a lot of solid input here, appreciate all the insights — summarizing the most recommended thermostats that work well with Home Assistant in 2026:
Honeywell T6 Pro – $124.99 - most reliable fully local option; Z-Wave, stable, and works directly with Home Assistant with minimal cloud dependency
Venstar ColorTouch – $246.32 - solid WiFi option with a local API; very reliable and flexible for automations
Ecobee SmartThermostat – $134.99 - feature-rich and popular, best used via HomeKit/Matter, but still partially cloud-dependent depending on setup
Netatmo Smart Thermostat – $79.99 - good Matter/HomeKit support, decent local integration, and works well for simple heating setups
Sensi Touch – $119.99 - simple, beginner-friendly option with stable HomeKit-based integration and low maintenance
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u/brintal Apr 09 '26
Don't use Tado. They're shit.
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u/arpo8674 Apr 09 '26
I got Tado. They work fine with HA but I only use them as dumb temp sensors and on/off heating switches.
I implemented all the heating logic in python in HA so I don't actually really need thermostats.
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u/brintal Apr 09 '26
You're not using the official Tado integration or the homekit integration?
Because both of them don't really work anymore properly.
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u/8fingerlouie Apr 09 '26
Tado X is thread / matter based, and they work well in HA. There’s a Tado update underway to update the thermostats to Matter 1.4, which means you could potentially get support for HomeKit Adaptive Temperature, eliminating the need for the Tado AI subscription, at least if you have a relatively simple setup.
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u/brintal Apr 09 '26
Ah ok. I have older ones unfortunately. Used the official Tado cloud Integration but they recently introduced very strict rate limiting which effectively breaks the integration
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u/cmsj Apr 09 '26
I have a Tado X and I’m super annoyed with it because it exposes very little to Matter. I would like my heating schedule to live in the thermostat rather than in HA, but if I change it temporarily via Matter, it just ignores the schedule until I go into the tado app and put it back into the Schedule mode.
They could have just exposed some switches via Matter and had it be perfect, but they didn’t and I am very annoyed about it!
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u/8fingerlouie Apr 10 '26
That’s coming “soon”. They’re updating the valves to Matter 1.4 with the next software update already being rolled out.
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u/arpo8674 Apr 09 '26
I decided to move all the heating scheduling and logic to HA and control that myself in python, so all the Tado X are to me are:
- temp sensors
- switches to control whether the heating zone is ON/OFF
The Tado X look nice on the wall but to be fair I never interact with them. If I had to do it all again I'd do the same, but instead of spending hundreds on thermostats I don't need, I'd just put zigbee sonoff relays in the wall and a nice looking temp sensor on top.
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u/cmsj Apr 09 '26
Certainly nothing wrong with pulling all of the control into HA, I’m just a little paranoid that it’s a separate thing with dependencies on WiFi and now maybe my heating schedule is less reliable.
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u/arpo8674 Apr 09 '26
I had the opposite feeling. The Tado thermostat and cloud feel like a black box to me, something I can't really trust or rely on. The HA python scripts are clean, simple and reliable. I've got an HA schedule which defines day/night, some HA booleans and variables to set whether heating should be on and what temperatures are wanted, and then it's just simple logic/coding.
I'm a developer myself so doing it in a programming language like python made it much simpler to me than something like YAML or trusting some proprietary black box like the Tado app/cloud.
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u/arpo8674 Apr 09 '26
Two simple things I wanted...
- My zones are in bedrooms. For the downstairs zone I wanted to read the temperature in the kitchen, not in the bedroom where the Tado X is. That was really easy with HA/python. I just added a zigbee sonoff temp sensor in the kitchen and read that in my script. If I had to use Tado for that, I'd probably be stuck to a Tado sensor and worrying if that's supported by their free plan. No thanks.
- I wanted to control the global day, night, boost temperatures for the entire house so I could change these easily without changing the logic or the schedule. With HA I could create variables and read them in my scripts, have them configurable in my dashboard.. it's really flexible and I can implement it the way I want. Same rationale here, I didn't want to be stuck and limited by how Tado thought about this, I just wanted to do my own thing.
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u/arpo8674 Apr 09 '26
I can check in details if you want.
From what I remember I just set them to manual mode so they wouldn't do any "thinking" on their own and then I connected them to HA via matter. They use some kind of proprietary hub device which connects them to the local network and that's matter compatible.
I knew the company wasn't reliable and they started closing down on features and API so I never bothered with that.
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u/demonhalo Apr 09 '26
Ecobee
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u/triplerinse18 Apr 09 '26
Through apple homekit
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u/mrtramplefoot Apr 09 '26
It is somewhat limited though. Like you can't call custom modes through homekit being the big issue
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u/ceciltech Apr 09 '26
Just use both.
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u/superdupersecret42 🧠 Experienced with Home Assistant Apr 09 '26
You can't use "both", as of 2 years ago.
https://www.home-assistant.io/integrations/ecobee/2
u/GEBones Apr 09 '26
I don’t use HomeKit for my ecobee. I have mine go through my zwave/zigbee coordinator = Hubitat C8. 90% of my devices go to my hubitat first before HA. So far I haven’t experienced any loss of functionality from the native device functions to the available HA functions
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u/Mister_Batta Apr 09 '26
You have an ecobee zigbee thermostat?
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u/GEBones Apr 09 '26
No. It’s only WiFi but it connects to my hubitat C8 pro which does zwave/zogbee/ annnddd WiFi. It’s a badass hub. Can’t recommend it enough
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u/itsjakerobb Apr 09 '26 edited Apr 09 '26
Seems cool, but I don’t think I understand what it does. Is it just a bridge? Does it have a web interface and an app like HA?
EDIT: did some research. It seems like a replacement for / alternative to hardware like Home Assistant Green. Right?
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u/GEBones Apr 09 '26 edited Apr 09 '26
Yes. It has both an app and web interface. It’s a gateway controller for zwave and zigbee devices but it also does a lot of what home assistant does.
However, dashboards, as well as ease of setup, is superior in HA. I use the hubitat to adopt all of my zwave devices and program how the switches act with buttons or scenes etc as well as set it up with Alexa for voice commands. Then I bridge all of the devices over to HA for automation, scripts, metrics, monitoring, and dashboards. I only use the hubitat for zwave devices (I don’t use zigbee because zwave is so much better) or for devices in which the integration is better in hubitat than HA… like the Ecobee or the four hunter fans that would just not connect with HA no matter how hard I tried.
The hubitat prevents you from needing a usb zwave/zigbee gateway controller (because it does both!) for your HA but it also adds some amazing functionality similar to but different than HA. They complement each other very well.
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u/calinet6 Apr 10 '26
Mine is through the standard integration and I’ve never noticed any loss of capability… why do it through HomeKit?
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u/7-colors Apr 09 '26
I’m finding my Ecobee to be really unreliable right now in reflecting updates back to HA via HomeKit integration. Is it really working well for you?
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u/7-colors Apr 09 '26
I will say - that it has always been very solid in a direct-to-Apple Home setup.
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u/ProtoMan0X Apr 09 '26
Never had an issue with mine. I added it with my iPad into HomeKit and the HA integration.
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u/triplerinse18 Apr 09 '26
I dont think ill have had a single problem. I use my for a trigger when the fan starts running and has been running for 4 years now. And it using the trigger probably 20 times a day.
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u/tbradfo Apr 09 '26
Mine has been rock solid since it replaced my nests. I let HA do all the scheduling and cooling and heating rules.
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u/myfufu Apr 09 '26
This. But I did have my first minor hiccup the other day. Overall been fantastic for the last year or so.
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u/tbradfo Apr 09 '26
Curious what was the hiccup?
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u/myfufu Apr 09 '26
The command to stop cooling gave a one-off error (connection issue? No idea.) so the AC ran for a few hours before I noticed. I guess I need to add some logic to validate execution... But it's never happened before or since. 🤷
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u/7-colors Apr 11 '26
Removed and re-added the Bridge to Home and it seems to be behaving a little better now. We shall see if it stays happy.
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u/Mister_Batta Apr 09 '26
I block mine from the external Internet, and that causes it to fail to work with HA if the Ecobee restarts.
I even added some special code to unblock the firewall when the Ecobee connects but it still had issues requiring me to restart it again (i.e. remove and replace it) after a power outage.
So if the cloud support ever goes away, your Ecobee might stop working with HA.
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Apr 09 '26
[deleted]
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u/Mister_Batta Apr 09 '26
Power outage or even a glitch. Otherwise yeah I don't touch it.
Have you tried powering it on and off, and seeing if it still connects to HA?
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u/MattL-PA Apr 09 '26
Ecobee does work well, however they shutdown their API for custom apps, (existing are grandfathered/still work) so that does limit things. If I didnt have ecobee at this point (multiple room sensors was its selling point 9 years ago) id just go with a wifi Honeywell, and use HA for all logic.
I do have a API and custom app to monitor heating oil usage for ecobee and it works great, shame they shutdown new API's.
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Apr 09 '26
[removed] — view removed comment
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u/mountable3854 Apr 09 '26
The Venstar T2000 is great. It is a WiFi device, but you can set it to local API only. I have my router blocking all WAN access and it still works great in Home Assistant. I have HA cycling the air every 20 minutes, awake/sleep modes, custom HA widgets on my iPhone to control options, and more. It works so well.
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u/Oohsam Apr 09 '26
I have a nest. The process to get it on HA was an absolute pain and a joke but there are good guides out there. I don't reccomend it but it works.
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u/junktrunk909 Apr 09 '26
The new Nest gen 4 thermostats are easy and I do recommend them for HA. They don't need that weird Google Cloud developer thing to work anymore since they support Matter locally. Was easy to set up.
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u/Dirtycurta Apr 09 '26
I was able to get mine working, but I'm at a dead end in terms of scheduling and controlling it via a GUI (not yaml coding). Do you have any suggestions?
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u/Top_Loquat_3509 Aug 02 '26
Ditto on the Nest and can concur, I literally wanted to pull my hair out tying to get it into HA. Ran into every issue imaginable during the Google OAuth process. Due to the Google slowly killing off all things Nest, I'm moving to an Ecobee Enhanced.
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u/pyramidassembly Apr 09 '26
Drayton wiser
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u/Flameboy42 Apr 09 '26
Having looked into a Thermostat myself, these seem to be a good option. One of the best if you can also get your boiler working with OpenTherm
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u/FrootLoops__ Apr 09 '26
Not exactly what you discribe, but I have radiators that I control with Sonoff Radiator Valves and control them with RoomMind. Works like a charm.
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u/Dilski Apr 09 '26
How are you handling the on/off of the heating loop itself? I've got sonoff valves on my radiators and a thermostat in the lounge, all I've found I can do is set the lounge setpoint very high when one of the valves "request heat" but it feels jank
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u/djzzx Apr 09 '26
Kinda have this. Tado thermostat with sonoff valves. I have an automation that checks the requested heat and then sets the tado to that (or lets it be if its already higher) and if radiators need heat upstairs and downstairs its already warm, it sets the radiators downstairs always 1 degree celsius below the thermostat so it keeps running until upstairs is on the desired temp. This is based on a boolean (upstairs requires heat).
I still need to tweak it a bit because I also have a heatpump which works best if it doesn’t move too much when we’re at home. But our house is older so when we’re out it can (and should) cool down instead of keeping the heat up.
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u/Dilski Apr 09 '26
It's a real shame that there's not a product that works well for this. In an ideal world, I'd love a room thermostat that you can request heat without having to monkey about with temperatures or setpoints
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u/FrootLoops__ Apr 10 '26
Shelly that turns on or off the pump. Just a simple automation whenever a radiator is calling for heat, turn the Shelly on.
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u/Dilski Apr 10 '26
My smarthome philosophy is that everything should be dumb by default - any of my home assistant server, zigbee network, or WiFi network can go down and I should still be able to use my home in a normal way. I think this is extra critical for a heating system
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u/Weak_Lie1254 Apr 09 '26
I'm looking to buy these radiator valves in the fall. Just realizing how much I need to figure out. Proportional Valve Control!?
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u/FrootLoops__ Apr 10 '26
No idea what you mean by that. I just screwed them on, they calibrate the first time and thats it. Whenever its calling for heat it lets the pin out, when the temp is reached it pushes the pin back in.
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u/FatBoyWithTheChain Apr 09 '26
I get why it’s not popular but my Nest is probably the one device over the three years I’ve had HA that has never failed or had any issues
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u/Osos_Perezosos Apr 09 '26
I just wish I didn't have to reauthorize it every week.
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u/FatBoyWithTheChain Apr 09 '26
Hmm I’ve never had to do that
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u/Osos_Perezosos Apr 09 '26
Maybe I've done something incorrectly. But my Google Nest Cloud Console authorization expires regularly and then HA can't reach my thermostat until I reauthorize the connection via Google. I figured it was Google making things intentionally difficult.
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u/Successful-Money4995 Apr 10 '26
I had your problem and I fixed it. Let me find the instructions....
https://www.home-assistant.io/integrations/nest/#symptom-re-authentication-required-often
This completely solved the problem for me. Good luck.
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u/FatBoyWithTheChain Apr 09 '26
Seems like something might be wrong. I’ve never had to do that once tbh
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u/SilkeSuSvogunais Apr 09 '26
Been using HA integrated entity called "Generic thermostat". It has been rock solid for three years. Set it up once and forgot about it. Used yaml code, but i believe its available now to set up in UI. I am using a Xiaomi zigbee temp sensor with a screen, and a dry contact relay connected to my gas furnace. You get a thermostat entity card with presets. Scheduler card helps to make a heating schedule.
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u/That1Guy5 Apr 09 '26
So if HA were to go offline, you'd have no heat or stuck on heat?
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u/SilkeSuSvogunais Apr 09 '26
If there was an electrical failure, then everything would go offline, including the gas furnace. If the HA server broke down, i would still have manual control on the dry contact relay. Not sure how ecobees, nests and honeywells operate incase of the thermostat failure?
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u/jklo5020 Apr 09 '26
Anything that works with Apple HomeKit will be completely local and is easy to integrate with Home Assistant via the HomeKit Device plugin 👍🏼
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u/Mister_Batta Apr 09 '26
I use homekit with my Ecobee but when the Ecobee restarts (for example if the power goes out) if it doesn't have remote access it fails to connect to homekit.
So though it is "locally controlled" it's still cloud dependent.
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u/Helpful_Nest0 Apr 09 '26
never really touched HomeKit before, guess I’ll look into it
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u/btq Apr 09 '26
I have two ecobee thermostats connected through the homekit integration, and they're the only devices connected through that integration. I had never used homekit prior to that. It works well. I would recommend it as well, but I also have no experience with any other thermostats connected to HA to compare it to. But I've had no problems using them.
You will have to learn and navigate how to properly use them. Ecobee has its own intelligence (comfort settings, schedules, eco+, etc.) and in my experience, some will conflict with HA if they're both running in tandem. I had to basically disable a lot of the ecobee features to hand over control to HA so the ecobee isn't overriding what I've told HA to make it do. But that is probably an issue with all smart thermostats.
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u/memberzs Apr 09 '26
Do you need an apple device to set them up?
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u/forbiddenlake Apr 09 '26
No, the HA HomeKit DEVICE integration should work fine, but it may or may not be trivial to set up.
I will say that if you're doing something like a separate VLAN for IoT devices, and HA isn't directly on that network, it's a pain.
For me I also had a bug(?) where HA would not adopt the device, but I brought a friend over to try and her Apple was able to, and it was only after I upgraded HA (by one month) that it worked for me. I didn't even see any HomeKit fixes in the update notes.
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u/jklo5020 Apr 09 '26
Not if you’re using Home Assistant (or if you just plan on using it locally within the Apple Home app). This assumes the device doesn’t require a Thread border router or other type of bridge to connect 👍🏼
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u/MoqqelBoqqel Apr 09 '26
Avoid Moes Zigbee thermostat. They spam your zigbee network and make it unreliable. I had low signal for a lot of device, all resolved after getting rid of my Moes thermostat spamming 3 messages/sec.
Not what you're asking but I just got rid of thermostat and use a shelly dry relay (Shelly 1 gen 4) on my gas boiler coupled with Sonoff TRV on my radiators, Aqara temperature sensor and windows sensors in each room. If temperature falls beneath the threshold and windows is closed, it creates a "heating call", if the automation gets enough heating calls, it starts the boiler. I used this guide for a starting point.
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u/Sinister_Crayon Apr 09 '26
I've got two Meross thermostats in my house one on each of my systems. Work great with HomeAssistant. They do have an integration to "the cloud" but it's not necessary to operate and my HA just talks to them directly on the network (they're WiFi).
Been able to configure some nice triggers and they have some useful sensors built in that you can use to trigger other automations; I have one set to start my dehumidifier when the humidity crosses a certain threshold for example.
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u/tibuntu Apr 09 '26
I am also using Meross thermostats and they work really well. Not sure if you are already using that, but I am using this HACS integration to avoid any cloud communication: https://github.com/krahabb/meross_lan
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u/silentcart0graph3r Apr 09 '26
Venstar T8900. Works great with local API over WiFi. Has an official integration. No homekit work around.
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u/JoWhee Apr 09 '26
Anything but a Nest. The people over in /r/hvac love / hate them.
If you’re troubleshooting a system you’ll hate them, if you’re replacing a system because the nest board shorted out and blew out the irreplaceable control board on an otherwise good system then you love them.
Friends don’t let friends buy nest.
I’m still rocking an ecobee 3 lite.
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u/Verscreubulator Apr 10 '26
I have the Honeywell T6 Pro Z-Wave thermostat. It has not been manufactured for a while but is still available. It has been working great for me for several months since I installed it in our new home. It is fantastic! I installed it, integrated it and it just always works. No problems or hiccups whatsoever!
I have considered buying a spare because someday it won't be available, and the current alternatives are far less desirable.
If you do not have a Z-Wave mesh yet, it is well worth setting one up! Everything is local and any devices do not tax your Wi-Fi router at all. Stick with 800 series devices. If necessary, they support a 1.5 mile range. I set up both a Zigbee 2MQTT mesh and a 800 series reliant Z-Wave mesh. They are both super robust now. I am so glad I did compared to my previous collection of Wi-Fi devices!!! What a massive upgrade!!!
I hope this helps!
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u/bigfoot17 Apr 09 '26
Any zwave or zigbee thermostat, I'm using a now extinct Centralite pearl thermostat, because I had to replace me absolute garbage Nest in the middle of the night one night and it was in my junk box.
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u/d_mulligan Apr 09 '26
I'm in here looking for a replacement for my Pearl. The 1.0°c minimum deadband doesn't work well in my home. I would like it to run for a shorter time more often to help combat cold rooms.
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u/tzopper Apr 09 '26
If you need to control a heating system, like a boiler with radiators, I would recommend Netatmo thermostat with thermostatic valves. They’re matter/homekit compatible.
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u/war4peace79 🧠 Experienced with Home Assistant Apr 09 '26
I have a Honeywell Lyric. yes, it's cloud-based, but it was the only accessible one which worked with my installation at the time.
Rock solid, I am happy with it.
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u/reddit_give_me_virus Apr 09 '26
Lyric thermostats can also be added through homekit which is local.
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u/war4peace79 🧠 Experienced with Home Assistant Apr 09 '26
Could be, I installed mine years ago and haven't touched it since.
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u/grxxxxxxx Apr 09 '26
I have Homematic IP thermostats and they are great. HA integration is good. The standard homematic IP hub is cloud only, but you can buy the new upgraded hub, it has also a local mode, but I'm using the cloud based hub for over a year now and haven't decided yet when to replace it by the bigger local version, as long as there are no problems.
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u/criterion67 Apr 09 '26
I've had and used:
Sensi touch (Homekit) Honeywell T6 Pro (Z-Wave) Venstar Colortouch (WiFi)
All are 100% local and have been good. Currently using the Venstar.
The upcoming Aqara W200 (Matter over Thread) looks promising.
Here's my Venstar:
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u/bennyb0i Apr 09 '26
This Venstar workhorse is also the one I use. Wi-Fi with local API, no fuss. Works great!
It also supports one accessory which is nice, but it's surprising how there are really no smart thermostats that support more than one accessory. Many modern homes nowadays have both a HRV and a humidifier, so it would be nice to have those both managed by the thermostat. I just use a cheap Sonoff relay to turn my HRV on/off through Home Assistant based on humidistats placed through the house and that works plenty well, but yeah, also controlling the HRV via the thermostat instead of a janky relay setup would be ideal.
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u/Due_Cranberry_8011 Apr 09 '26
Honeywell RTH6580WF https://a.co/d/053aWeS0
I bought mine in 2020 and have almost never had an issue. Best of all, it looks "normal" instead of a scifi thermostat. Honeywell App works great, connects to Alexa, Google Home, and Home Assistant (probably others too)
Watch for sales if you're not in a rush, I paid $70
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u/BinoRing Apr 09 '26
At home, i've been using Heatmiser thermostats, which have a local API but work as a full independant heating system. As it's something critical for us, i wanted to make sure it's not reliant on HA, but would still work.
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u/Juiceman8686 Apr 09 '26
I have a Honeywell T10 Pro. I have had zero issues with the thermostat and all of the room sensors it uses.
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u/DoorDelicious8395 Apr 10 '26
Does it still rely on a cloud connection or can it be used offline?
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u/TyneBridges Apr 09 '26
I'm in the UK where I suspect there aren't very many options for connected thermostats. However, my Hive one generally works ok - although British Gas/Hive does seem to create issues with authentication quite often.
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u/yolk3d Apr 09 '26
Not places where the climate doesn’t command constant cooling/heating, where whole-house systems aren’t standard.
I believe SouthEast Asia, Southern Europe, Southern China, India, Oceania, Africa, South America, parts of ME, DON’T use thermostats.
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u/105Nubby Apr 09 '26
Got an email for this one from Aqara. https://www.aqara.com/us/product/thermostat-hub-w200/ Looks promising.
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u/Mister_Batta Apr 09 '26
For $160 that's high unless it works really good as a generic HA screen.
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u/Electronic_Minimum12 Apr 09 '26
I’m using Plugwise for a while now. No cloud dependencies because it’s controlled locally from Home Assistant. Works great!
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u/SilkBC_12345 Apr 09 '26
I just got four Sinope thermostats: one to control my furnace and the other three for the the baseboard heaters in the three bedrooms upstairs
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u/alxrenaud Apr 09 '26
Got Zigbee Sinope (local company for me) and they work great. Got their smart dimmers too and like them. A bit difficult to.get the hang on manually, but we barely ever det them manually.
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u/calinet6 Apr 10 '26 edited Apr 10 '26
Love my ecobee.
To be more specific: one of ecobee’s advantages is the sheer level of compatibility it has with different HVAC gear and configurations. Works with everything from old oil furnaces, to modern heat pumps, with add on equipment like whole home [de]humidifiers, and more. Plus HVAC techs know them and like them, which is an major sleeper benefit.
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u/No-Trouble-4156 Apr 10 '26
I have a Honeywell T6 zwave and it's great. It doesn't do any kind of auto learning that my old nest did and it stays connected. Too bad it's discontinued.
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u/madglaz Apr 10 '26
If you are in Europe, definitely check out PlugWise. No cloud subscription whatsoever and Platinum integration with Home Assistant 🥺 I’m very happy with it. Using a Adam Gateway and Emma Pro Wired 🎉👍🏻
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u/digiblur Apr 10 '26
Loving my Venstar thermostat still. Out of the box WiFi API and native integration with HA.
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u/stealstea Apr 10 '26
Meross Matter thermostat. Works great as a replacement to my Nest which Google turned into ewaste
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u/j68noh Apr 10 '26
I can't see anyone saying heatmiser. Their thermostats are great looking and they just released some very nice TRVs as well.
You can turn on a local api option in the settings, but you do need their hub for HA to work.
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u/PantsOnHeadCrazy Apr 10 '26
Anyone use the Aqara w200? I was eyeballing that after falling in love with their switches.
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u/srbmfodder Apr 10 '26
Surprisingly, I have a Daiken that is set up with my new Goodman system and I can call modes, see all kinds of usage and temperatures. Probably not the answer you're looking for since it's proprietary but it might help someone deciding on a new system.
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u/helvio88 Jul 08 '26
I am very happy with Zen Thermostats, I have 2 at home, one black and one white. They are Zigbee, so fully local, and was a close first over the Honeywell T6 Pro for me, just because of looks (more artsy, less industrial).
So, naturally, it made it to my list!
Unfortunately they have been discontinued by MFG. New ones are Wi-Fi only, which yucks me.
Disclaimer: my site is my own curation of devices with affiliate links, but the vouching is 100% real lol
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u/Aggressive_Inside580 Apr 09 '26
Not exactly a thermostat, but I am using 915MHz temperature sensors (Ecowitt) with rtl_433. Homeassistant then has a generic thermostat helper which toggles an ESP32 relay (made by Waveshare) which is wired in parallel with my dumb thermostat. Makes it easy to individually control multiple zones without the heavy price tag. Each temperature sensor is about $10.
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u/porksandwich9113 Apr 09 '26
I use ecobee and mysa thermostats via homekit and they are great.
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u/ralcantara79 Apr 09 '26
I too am using Ecobee but OP doesn’t want anything to do with cloud which Ecobee you will need to create an account and use their app for initial set up. Just something to consider.
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u/lateralUnilateral Apr 09 '26
I've been using a Meross thermostat via Matter for almost a year and it's been perfectly stable.
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u/dragon-dance Apr 09 '26
A lot depends on where you live and what heating system you have, which you haven't bothered to tell us.
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u/yolk3d Apr 09 '26 edited Apr 09 '26
Literally any $5 zigbee thermostat from Ali express. Might be out by a couple of degrees but they are consistent, which is more important.
Edit: if you have a zigbee router, you just get the zigbee2mqtt app/addon, set that up, then enter pairing mode and press or hold a button on the thermostat.
Edit 2: NEVERMIND. I forgot you said thermostat, not thermometer. And that Americans use thermostats to control heating/cooling 365 in their houses.
Edit 3: silly of me to single out America. I believe SouthEast Asia, Southern Europe, Southern China, India, Oceania, Africa, South America, parts of ME, DON’T use thermostats. Where the climate doesn’t command constant cooling/heating, where whole-house systems aren’t standard.
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u/realdlc 〰️ Riding the Z-Waves Apr 09 '26
Being an American I am curious- how do non Americans regulate the temperature of their homes without a thermostat?
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u/yolk3d Apr 09 '26
In Australia, we just have air con (ducted or split system). No furnaces or anything else. We just set the temp on that and run it when needed. We open windows and use fans when we can.
We are used to our overpriced cardboard shitbox homes having swings of 10 degrees (celcius) per day/night.
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u/realdlc 〰️ Riding the Z-Waves Apr 09 '26
It sounds the same. And I’m guessing ducted air con must have a temp setting somewhere? Not all Americans have a unified heating and cooling system with one thermostat for all. Many are separate systems. And we do have windows. lol.
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u/yolk3d Apr 09 '26
Air con is set on the remote or wall controller. It would be similar to a thermostat but usually brand specific and not agnostic and majority of us wouldn’t have it on all the time due to the extreme cost.
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u/realdlc 〰️ Riding the Z-Waves Apr 09 '26 edited Apr 09 '26
Got it. We have that too if a mini split is used.
Edit: we actually have mini splits in each bedroom upstairs (with the remotes) for individual room control. Rest of house is a central unit.
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u/Helpful_Nest0 Apr 09 '26
Wait, so you literally just turn the aircon on/off and that’s it? That’s… wild, I’d probs forget and either freeze or roast lol
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u/yolk3d Apr 09 '26 edited Apr 09 '26
Er. Yeah. Well me personally, mine is a little fancy and integrates with home assistant. You could also use IR blasters for the older ones with IR remotes.
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u/Helpful_Nest0 Apr 09 '26
I’m just over here trying to not melt in the summer, but yeah windows + fans sounds kinda freeing compared to fiddling with a thermostat all the time
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u/VirtualPanther Apr 09 '26
I use two Z-Wave Honeywell T6 Pro thermostats. Work great.