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Floorheating setup + radiator valves

Toasteroven
Toasteroven
edited June 2022 in General Questions & Topics

Hi,

Im looking to upgrade my house with Tado and im looking for some advice on setup.

Upstairs: regular radiators, two of them in the living room.

Downstairs: floorheating

I have drawn out this amazing diagram to illustrate what i think might be the way to do this;


Tado setup.png

Upstairs: So upstairs i would install smart radiator vales. My question here, do i need a thermostat to manage the temperature upstairs or will the smart radiator valves be sufficient?

Downstairs: This is the tricky one, how do i get my floorheating to play nice with Tado. Currently it has a pump and a temperature thermostat valve on it. I read a "zone valve" can be installed in combination with a Tado thermostat to control the floorheating. How does this work? Floorheating is most efficient if it is constantly turned on how does the valve help in regulating that temperature. Also does the floorheating mean the heater will be turned on constantly and if so will installing the valve help in decreasing the energy cost for the heater?

tado.png

Last question i promise; Above is an image of the floorheating unit, from what i gathered we have some fairly exotics floorheaters in the Netherlands. Would the setup work on this heater?

Cheers!

Answers

  • Vignesh
    Vignesh
    Did you figure out? Because I m in the exact same situation and I m in Netherlands too. Trying my luck knowing that this is a old post
  • Lore1
    Lore1 ✭
    Same here. Any solution?
  • policywonk
    policywonk ✭✭✭

    Going through your questions.

    1. Upstairs. The TRVs on the radiators should work fine and control the flow well. What you havent identified is the type of pump you use. If it is a smart pump that responds and moderates itself automatically when individual radiators turn off, or is it a constant speed pump. If you can, switch to one that maintains a constant differential pressure, not a constant speed.
    2. Downstairs. It is important to have a zone valve driving the UFH system because the UFH pump changes demand suddenly and can make the boiler work hard.
      1. It is important to be aware that each downstairs room bases upon its aspect and insulation does demand heating at a different rate and, frankly, you might prefer to have individual thermostats in each downstairs room.
      2. Why this approach? The thermal curve needed by each UFH room does benefit from being driven directly from sensors in that room. I've fitted wired smart thermostats in each downstairs room, which enabled me to customise the heating curve for the day in each room. For example kitchens need less heat when cooking is going on. Lounges need less heat because more people are there. Hallways need more heat. In short, just as you would choose radiator specific thermostats upstairs to respond to individual needs, the same idea needs to be considered downstairs.

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