Upgrading - advice sort please.
I’m about to upgrade my heating system.
To understand what I’m trying to do, I will set out my heating system now and what I’m trying to do in in the future.
It might be helpful to explain my system as of when we moved in four years ago, today and hopefully the future.
We live in a detached bungalow and have 9 radiators. The combi boiler was controlled by an analog Honeywell thermostat. Only four of our 9 radiators are controlled by mechanical
TRV’s. Those TRV’s are always on the highest setting. The system worked well.
Six months ago I fitted a Tado wireless thermostat, internet bridge and boiler controller. The thermostat replaced the existing one and was situated in exactly the same position.
I now want to bring my system up to date. All 9 existing radiators, plus 2 additional radiators will be fitted with smart Tado TRV’s.
So, can you see any issues with the proposed update? How will the Tado thermostat work with the radiator TRV’s? I assume the wireless thermostat will have to be programmed to its lowest temperature setting as each room will be different?
Your valuable input would be most welcome.
Thanks - Rob
Comments
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Hi, it will be fine to add the TRV's to the system. Depending on your house, the only potential issue will be the range of the internet bridge to the furthest TRV. Maybe buy one and then just check the coverage around the house. It doesn't need to be fitted on a radiator for that, just working. A few on here have had issues, if the bridge is close to the centre of the house it should be fine though.
You'll set up a specific time/heat programme for each TRV although they can be copied across. The room where the wireless thermostat is becomes the temp sensor for that room and just controls the TRV(s) in that room. Each TRV can be set up to be able to switch the heating on/off or can just be open to receive heat as your current system but will close when it gets to the assigned temp. If you're buying the older v3+ there's a limit of 10 TRV's that can control the heating, the last will be just open/closed to it's schedule.
Most of us have seen significant savings when the system is set up well.
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@Just_Ron1 A couple things to think about.
Boiler?
1. What make/model is the boiler?
2. Does the boiler require an external bypass? There may be a) an internal bypass in the boiler; b) an external bypass on the pipework. Or c) one (or more) radiators without a TRV.
3. Does the boiler automatically modulate the heat output?Zone controller or independent?
1. You can set up to ten 'zones' for heating.
2. Each of the Rooms with TRVs (and wireless temperature sensor) can be set to the 'Zone controller'. Every room operates its own time/temperature schedule and can 'call for heat'. We configure our home like this. Our boiler will automatically modulate and adjusts the output depending on the heat demand. We find this is very efficient*.
3. Alternatively, a Room with a TRV can be set as 'No zone controller' i.e. 'Independent'.
The TRV will act like scheduled time/temperature TRV but will NOT 'call for heat'. The heating relies on the main thermostat to 'call for het'.
Some users find this will avoid the boiler continuously 'cycling' and is more efficient.
4. Will the room with the wireless thermost have a TRV on the rad? If not, 'Independent' may be a better option for the rooms with your new TRVs.* Energy consumption from February 2022, compared to consumption at the same outside temperature (CET) 2018-21:
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