Hello @WTLimitless, I have the Aeon multisensor (generation 1), and they are OK for temperature (not as good as my wireless tags, see http://wirelesstag.net). For motion, they are good overall. However, I tried generation 2 (Aeon 5), and returned it as there were some issues when reporting Motion to ST.
However, Aeon is now at generation 3 (called Aeon 6). It looks better, and has a smaller form factor, but I don’t know if the temperature is more accurate.
As far as ecobee’s motion sensors are concerned, I don’t know about Ecobee future plans, but I doubt that they will be as reliable as regular z-wave motion sensors.
On my side, because of some issues with the ST and ecobee platforms, I had to reduce the polling interval to a minimum of 15 minutes due to some exceptions in the logs.
I’m just doing my best given the current platform constraints.
P.S. If you can, please send an email to mu@ecobee about my work, I would really appreciate it. I do agree with you, they should partner with me at least.
Just FYI, there is about close to 1500 hours of work on the device type and related smartapps! That’s about
1 year of my (work) lifetime!