[Mandatum]

TRVs have barely been developed. They’ve existed for about 4 years so far and most Chinese sellers have already gone through 4 - 5 design iterations. Any TRV relying to auto adjust based on temperature of the thermals from the TRV head are wrong. It’s a stupid design and was never going to work.

The only way to reliably set temperature is by reading it elsewhere in the room. With radiators that’s really inconsistent because they’re slow to heat up and slow to cool down if you “over heat”.

Also the window detection feature on any TRV should be disabled. It’ll only cause you issues.

I simply have a “fully open” or “off” control from a Zigbee gateway per room. I’d consider adding sustained motion sensors to each room but to be honest just having a timer to turn them on in the morning, off at bed time and the ability to adjust and view what rooms are on manually from my desk or phone is more than enough.

There’s value in electric TRVs but not in the automating part beyond scheduling.

Thermostatic Radiator Valves for anyone wondering.