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I have this GoControl GC-TBZ48 thermostat that is Z-Wave, so it's not internet connected at all. It's only controlled via Home Assistant via the Z-Wave USB controller in my server. It's exposed to Google Assistant, so I can control it with my Google Home devices and my phone as well.
I would get the smartthings hub. Very good!
Nest smoke/monoxide detector is very good. Also get a zwave thermostat and pair it with a motion detector. I have it so if it doesn't detect motion for 2 hours then it decreases the temperature. This will save on power.
Good job on getting the schlage lock. I have 3! Very good!
GoControl Thermostat, Z-Wave, Battery-Powered, Works with Amazon Alexa [link]
I used to have a Linear/GoControl TBZ48A that I liked. It helped extend my zwave signal towards my front door so my lock could contact the hub. It's not pretty but it was cheap, zwave, and it worked. The newer ones don't look so bad though:
If you already have smartthings, buy a "dumb" z-wave thermostat. It will integrate better with smartthings.
I had a Nest in my previous home and it was a PITA when combined with smartthings, so I bought a basic z-wave thermostat and it's a lot easier to manage.
Most of my automation relies on the smart app "routine director" which uses presence and time to switch between combinations of home/away and day/night. Away routines set temp higher/lower depending on season relative to being home.
Well I bought two of the GoControl thermostats for my house and have been extremely satisfied. They use zwave - no wifi, no servers you have to go through... just pair it with your zwave hub and you’re good to go.
The selling point of those smart thermostats, like Ecobee and Nest, is all the control that you can do from your phone. But if you have home assistant, none of that is needed because home assistant is the “brain” that allows access to all that. So the simpler the thermostat, the better, in my opinion.
I have the GC-TBZ48. It's unfortunately jumped in price since I bought it for $80, now $145.
But it's been rock solid for a year. It's integrated into Home Assistant and I use Node Red for automation to control temperatures.
What you probably need is common, a (C) wire. It carries current to power your thermostat.
Old style thermostats just serve as a on/off switch, and require no power themselves, so the two wire approach works fine. You can buy a battery powered smart thermostat, like this go control model. If you're using an ecobee or nest, they don't have batteries, so they need the C wire to power themselves.
You'll need to pull a new thermostat wire with at least 3 wires, and find a source for 24v from your furnace. My furnace brand had an online PDF specifically instructing people where to get 24v for hooking up smart thermostats. Try googling your furnace or furnace controller brand and seeing where you can get 24v from.
I'm looking for one myself currently. I don't think the z-wave stuff will have a requirement for cloud connectivity--which is good and bad. Good because, no cloud, bad because now you have to rely 100% upon your chosen home automation system to set up and schedule your thermostat. While some of them have a UI in the thermostat itself, most do not. As a result, they're pretty ugly and look very much like something you'd see in an office building. For some people, they want the pretty/cute nest or honeywell look.
I've found that Nortek sells a handful of dumb z-wave thermostats that might fit the bill. Also, this rather plain looking GoControl: [link]
I don't necessarily recommend it anymore due to the price nearly doubling since I bought it, but I have the GoControl GC-TBZ48. It's Zwave and the only trouble I've had out of it was the inital pairing. My HUSBZ-1 stick is about 30 feet from the thermostat with a wall between, it refused to pair. I had to buy a 32ft USB active extension and practically sit the stick on top of the thermostat to get it to pair. Since then, absolutely rock solid. It's easily controlled from the thermostat card in HA and I use Node Red for automation purposes.
I have this one and have had zero issues with it. My first set of batteries lasted a year before I replaced them (they weren't dead yet but the battery level finally started dropping in HA so I changed them.)
You will run up against the same issue as the OP - visitors and family will appreciate a conventional user interface without hub or cloud dependencies.
I believe the Aube part runs at either 50 or 60Hz and so should be OK in the UK. You'll need to find a UK-spec thermostat Amazon UK sells the GoControl unit for £101, but you might find better options.
I have a Go Control Zwave thermostat it's bare bones too. Basically just a dumb thermostat with zwave capability. I'm using temp sensors and Zigbee motorized vents and writing all the automation myself. I also switched the database to a SQL Server database so I could capture months (or years) of logging. In my 100 year old house a smart thermostat would drive me nuts.
I had a nest for the longest time until it got unreliable. I switched to the GoControl z wave thermostat and have been very happy. Doesn’t look quite as good on the wall, but it does everything I could want it to do. The thermostat itself doesn’t have many features, but that’s where HomeSeer comes in.
From what you described you should get this:
GoControl Thermostat, Z-Wave, Battery-Powered, Works with Alexa [link]
I got it a month ago and love it. Local, reliable, basic, big temp number on the screen
Firmware is getting old on some of these CT units. CT100 is ok, but still fails to do proper association in some cases. Plus, they are all pretty ugly.
Seems the Nortek TBZ48 is one of the most current z wave thermostats, and it's less offensive looking IMO.
It's sold most commonly under the GoControl brand, below is the Amazon link but the price is up ATM. A quick search should net you one for 80 USD.
Edit: Durp, had wrong link
OK i'm not very familiar with how the Zwave stick's work so i'm definitely not the one to point you in the right direction sorry about that. but i did find this on amazon its $80 bucks idk if that will work it has great reviews [link]
If you have zwave, I use these...
I run a this zwave hat on a pi4 that runs hassos.
I like this zwave thermostat [link]
Z-Wave would probably be the best bet. I was thinking about getting one of these
Don't need a super fancy one since HA will control all the logic
Agreed. I have many ESP based devices for completely custom integration however for something as critical as HVAC it's best to use a device designed for that purpose. Modern thermostats provide extra assistance in ensuring A/C compressors stay on/off for a short period of time to prevent damage to the motor and also making sure that both heat and cool aren't running simultaneously.
Imagine a relay board connected to the wires/functions of your HVAC wiring, it would be easy to unintentionally run both the cool and heat but forget to run the fan. Of course you can code your ESP or other module/board to provide these checks, its worth the educational value but again, thermostats are a "mostly" solved problem.
Recommend highly the GoControl GC-TBZ48L Z-Wave thermostat. I have 3, two of which run without batteries using the Common wire, another runs on batteries as there is no Common wire present for the last. They are responsive, accurate, cheap, and run a year or more on battery power.
And if you're willing to buy used or non-direct, your favorite online marketplace has good prices. I picked up two used ones last year and couldn't be happier.
I purchased the GoControl Z-Wave Battery Powered Thermostat on Amazon, and they work very well with the Hubitat and integrate into the google assistant with zero issues. The Centralite Pearl Thermostat (zigbee) looks interesting and is even less expensive, but is sold out on Amazon right now.
There are lots of motion sensors. I had good luck with the Centralite Motion sensors, which also have a temperature sensor (not all that accurate, but you can calibrate them).
I used the Kwikset SmartCode 888 lock because I already had Kwikset locks and like the ability to easily rekey all the locks to one key. It kept saying that it wouldn't calibrate, but it turns out it was calibrated just fine and I just had to pair it with the Hubitat to program codes.
*sigh* and I said I wasn't going to post details to reddit... oh well.
Edit: GE Enbrighten dimmer switches for in the wall.Sengled Zigbee bulbs have worked well for me, but they don't get quite dim enough for night lights.
I use Go Control Z-wave thermostats which cost $89 a pop. Not WiFi, not cloud dependent, can operate from unit, integrates seamlessly with HA, acts as Z-wave repeater, and doesn't stop working if HA goes out.
I use this combination Z-wave / Zigbee dongle, which also works seamlessly with all of my devices and HA:
I use this with smart things and webcore.
GoControl Thermostat, Z-Wave,... [link]
Ive had two of these for many years and they’ve been perfect. They can be used with batteries or without. They’re basic thermostats and the smarts should exist inside home assistant
I use this one [link] , pretty happy with it overall.
edit: It's regular zwave, not zwave+, but it works really well.
GoControl Zwave Thermostat $83.99 is what I have. Couldn't be happier. Nothing fancy but it works with Home Assistant perfectly.
I got this one recently, has been working pretty well and not too expensive. The manual says it does aux heat, but I haven't tested it. [link]
I returned it. Going to install one of these today instead:
Still has zwave / repeater, works with alexa, can hook up a c wire.