The bane of my house. Clipsal Wiser modules should fit but that price 
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The other you have if there is no space in the wall is to install the smart device of choice in the roof space above the light switch and use wires up the wall as the button / input circuit to the smart device. Iāve had to do that in one location in my house because we have double brick (internal walls are brick) and I can only fit one smart device behind a wall plate when I wanted two.
yep, I KNOW they will work. Trying to avoid that cost first up though. Ordered DETA + Brilliant mechs, will report back once I pull them apart 
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concrete ceiling and the fixtures the wife wants wonāt accommodate anything within them
Do you have wall cavities though? Should be able to hang the smarts inside there.
Unfortunately not for these particular switches, chased into single brick internal wall
Why not a bump out box configuration? With quality product your cabling just moves slightly sideways onto the solid wall off the architrave?
Unfortunately there isnāt room in a lot of cases. The door frame is next to a wall corner, or bathroom mirror.
My roof space gets too hot for roof space mounted modules only occasionally in summer. So that is a possible option.
as tom said, no room. The architrave is on the door frame with about 1in of wall before it heads 90deg the other direction 
stupid 80ās building design!
I just priced replacing all my light switches and dimmers with Wiser. I would not get much change out of $7k. Thatās just the mechs and plates, before an electricianās labour and cable. 
Thatās a āhard noā.
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Hi guys! Iām wanting to get started with home automation and have been doing a bunch of research into it. I did have a question I donāt think has been answered, but Iāve only just found this post and havenāt read all of it yet. Iām tossing up between Ikuu Zigbee switches or getting shelly relays - the thing is though, if I got shelly relays, weād want to still change the switches out to something like this (not necessarily this model, but something that looks like a glass panel with buttons that can light up when the light is turned on, but is entirely dumb on its own). My main concern is the indicator light not working/being out of sync etc with shellys - does anyone know if you need a special feature of a switch to stay in sync, or if any will work? Or any recommendations on a wall switch that works nicely with shelly?
My second question is about air cons - we have a couple of split systems at the moment that weāre happy with and donāt want to change - thereās obviously things like sensibo/broadlink etc, but do these sync with the AC temp if the temp/power/mode is changed manually? i.e. you turn the AC on HA through the broadlink to 22 deg, then use the manual remote to change the temp to 24 deg- does HA know the AC is set to 24 deg now, or does it still think itās set to 22? Or are there any retrofit options that will work with a split system, even something for the sparky to come out and install? We have family who isnāt tech savvy, so weāre trying to make everything we use have backups in case 
Thanks in advance!
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Abu
that is a handy resource - thanks
Am I crazy or is there no list of productsā¦
wellā¦ thereās 4
At that price, you might as well go with C-Bus !
Get some Ikuuās to test out. I have two of the light switches and the first one was a failure and the electrician had me get another. This one keeps locking up and I need to periodically reboot it by removing power from the circuit breaker.
Ah, thatāsā¦ not great? Is that the zigbee version or the wifi version? I really donāt want something that Iāll have to reboot manually every so often if I can avoid it
Edit: Also, I donāt really want to spend money on something to then get the sparky out to test how it works, to then spend more money on the sparky coming out again to install the rest of the things, so was hoping to make a decision on it all at once if possible
Iām not that much of a masochist.
C-bus has to be the most convoluted unintuitive system I have ever had the displeasure of experiencing.
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Sorry to throw water on your parade, but are you aware of Blakadderās list of AU Devices
Also, maybe Iām wrong, but I understood that Tasmota:
- Only runs on the older ESP32 chips, which are becoming much less common in the off-the-shelf products currently available
- requires that you replace chips, solder, or at least connect to the chips electrically, which means
- you have to open the cases (and thus run the risk of damaging the casing) of off-the-shelf products
It seems to me that by being fixated on only those particular older chips, Tasmota is becoming a niche item for those who are into electronics and building their own devices.
Yes, I know thatās the profile of the developers of FOSS products (including tasmota) - but there are increasing number of users interested in home automation who dont have/want that skill level. Sorry, but I want products that either I can use off-the-shelf cloud-free, or that I can upgrade firmware Over The Air. That is the list I am looking for.