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migrating to tado

Hello community!


I'd like to replace my current thermostats with the Tado ecosystem. Great so far, right?


I'll describe below my current setup and end up with the questions.

I have a boiler (Viessmann Vitodens 050-w) which powers the underfloor heatsystem at the lower floor and the radiators at the upper floor.

At the bottom floor, I have 3 separate wired thermostats for each room and 3 manual radiator ones at the top floor.

Have to say that the boiler is always on and I have no logic in my system that's able to stop it or start it whenever it's needed.


Now the questions:

- what tado products do I need to replace my current setup in order for me to control the temperature in each room?

- do I need a wireless receiver as well so I can stop/start the boiler on demand?

- do the wired smart thermostats which I plan to use for the bottom floor, communicate with the wireless receiver? how about the radiator ones?

Best Answer

  • wateroakley
    wateroakley Volunteer Moderator
    Answer ✓
    Whilst many have pros and cons, I spent £640 on Tado products a year ago and have saved over £1,000 on gas use this year.

Answers

  • Unknown
    edited January 2023
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  • It’s hard to say without seeing your wiring, but probably three wired thermostats for the UFH floor and a wireless starter kit for the upper floor. If you’re happy with that and you feel you need to you can then add Tado trvs to the radiators.

    Everything has to have a signal to the Tado bridge, which communicates with Tado’s servers. None of the devices communicate with each other.
  • johnnyp78 But are the Tado trvs capable to communicate with the Wireless receiver?

    GrayDav4276 Aren't you satisfied with Tado, as much as you expected, I assume. Are you planning a change?

  • No, none of the devices communicate with each other, they all communicate with the bridge. If you mean can they be used in the same installation, then yes. The only limit is one wireless receiver per installation.
  • GrayDav4276 do you have a wireless receiver connected to your Vitodens 050-W? If yes, is it on OpenTherm or just plain On/Off?

  • Because you have a multi zone property there may be an issue using a modulating connection. I would have a good search of the forum and see what other people have done.
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  • wateroakley
    wateroakley Volunteer Moderator

    @GrayDav4276

    The short answer for 2018 to 2021 is around 28-30,000 kWh, or 2,600 m3, per annum. Ouch. The Tado controls give us the personal flexibility and control that a programmer, room/cylinder stat and TRVs could never do. The past 12 months with Tado are about 18,500 kWH, on a downward trajectory as we refined our use.

  • gary333
    gary333 ✭✭✭
    edited January 2023

    You must live in a mansion, or a house with no walls. It's nice you've saved money, but your savings are because you must have had a very poorly setup system before, or that you were heating up every room in the house to very high temperatures and with very high flow temperatures (which could have been reduced via correctly setting manual TRVs and adjusting boiler).

    Based on your savings you must be now running many rooms at significantly lower temperatures than before, as that level of saving is not possible from just running a lower flow temperature. You'd be wise to keep an eye out for mould developing from the large thermal differences you must have created between areas of your mansion if that saving was shutting rooms off for long periods

    For most the savings are very unlikely to ever outweigh the purchase cost (when adding in TRV's for most rads). For many it might even increase as the TRVs if not set to independent will fire the boiler more than before.

    I bought Tado for comfort, it's certainly saved me very little over the years, but that's fine I wanted to fiddle around.

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