Hi.
I’m helping a friend to control the radiators in his house using TRVs.
The goal is to have a system that requires no to very little maintenance and it needs to be aimple enough for a non technical person to use.
Key features:
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App control - he needs to be able to control temperature in each room remotely.
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Physical control - preferably through a physical thermostat panel in each room. The panel will only control the TRVs and will only need power. It will not control the heating through wiring.
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Range - the house is quite big so any protocol used does need to be to cover the entire house.
My ideas so far includes using Sonoff TRVZB smart radiator valves for each radiator and as many Sonoff Zigbee bridges needed to cover the whole house. Maybe use NSPanel Pro for the physical thermostat.
Questions:
Can i control multiple TRVs in a room using the eWeLink app?
Can i use another thermostat as the controller in each room?
Any other ideas?
Also: I don't have a problem with the setup being complex. I run Home Assistant myself and am fairly technical. It's just the end result that needs to be simple.