ᐅ The children's bedroom is too warm in the new build.

Created on: 1 Nov 2019 21:59
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AD1988
Hello everyone,

We have finally been living in our newly built house for two weeks now. We have underfloor heating throughout the entire house and a digital thermostat in every room. All thermostats are set to 21 degrees Celsius (70°F) throughout the house, and everything works fine overall. As soon as the thermostats reach 22 degrees Celsius (72°F), they switch off—except in the children’s room. There, we have noticed that the temperature easily rises to 23 degrees Celsius (73°F) overnight, and the floor remains constantly warm compared to the other rooms.

I have already contacted the company that installed everything for us, but it will probably take some time before I receive a response. As a curious person, I would really like to understand what could be causing this or what the reason might be.

Best regards
Y
ypg
11 Nov 2019 17:56
ypg schrieb:

Did you check the valves?
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AD1988 schrieb:

Because I am currently living in the house with my wife and a 2-year-old child and don’t want to just tinker with the heating system.
It’s not tinkering, it’s testing! Have you read the user manual?

Never touch a running system!

But your system is not working.
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boxandroof
11 Nov 2019 18:03
AD1988 schrieb:

What I’m still wondering is whether it makes sense to limit the temperature to a maximum of 35 degrees Celsius (95°F)?
What do you mean by that? Is it a setting or your observation?
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guckuck2
11 Nov 2019 18:28
What kind of heating system is this, exactly?

1.1 has an endpoint of 65 degrees Celsius (149°F) flow temperature at -15 degrees Celsius (5°F) outside temperature. This is a setting for a gas burner in a 1990s house with radiators. Who set this up?
Happy sweating. No wonder the floors are noticeably warm.
Reducing it to 35 degrees Celsius (95°F) only helps to a limited extent. With this heating curve, those temperatures are already reached at around 10 degrees Celsius (50°F) outside. So the heating is already simmering during the transitional season, and the room thermostats dutifully clamp shut. When they do open, it gets very warm at foot level...
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AD1988
11 Nov 2019 18:53
I have now set the curve to 0.4 and want to monitor the situation. If everything stays nicely warm, except for the floor, I will try adjusting it to 0.35.

This concerns a Vaillant underfloor heating system.
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AD1988
11 Nov 2019 18:55
boxandroof schrieb:

What do you mean by that? Is it a setting or your observation?
It is set that way.
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boxandroof
11 Nov 2019 19:14
AD1988 schrieb:

It is set that way.
Sounds reasonable. If the heating curve is correctly adjusted, then this setting becomes irrelevant.