Hello everyone,
We have been living in our new home with a central ventilation system for just over a year now and are very satisfied so far.
The only issue is the temperature in the attic bedroom (north-east side) in the evening, which is not very comfortable. The room is not even facing south, yet the temperature reaches about 23°C (73°F) in the evening, even though we open the windows wide in the morning to ventilate with cool air and then close the curtains completely.
I suspect that the ventilation system continuously blows warm air from outside (logically) into the bedroom, causing the warm air to accumulate there.
How do you handle this? Is there anything specific to consider?
My ventilation system has been running at level 2 for several months now because I felt the air in the room was fresher, especially during winter. Maybe I could lower it again during summer?
Is there anything else that can be adjusted to improve the situation? Or is the only option to open everything wide for half an hour before going to bed to ventilate again?
I appreciate any advice, tips, or tricks.
We have been living in our new home with a central ventilation system for just over a year now and are very satisfied so far.
The only issue is the temperature in the attic bedroom (north-east side) in the evening, which is not very comfortable. The room is not even facing south, yet the temperature reaches about 23°C (73°F) in the evening, even though we open the windows wide in the morning to ventilate with cool air and then close the curtains completely.
I suspect that the ventilation system continuously blows warm air from outside (logically) into the bedroom, causing the warm air to accumulate there.
How do you handle this? Is there anything specific to consider?
My ventilation system has been running at level 2 for several months now because I felt the air in the room was fresher, especially during winter. Maybe I could lower it again during summer?
Is there anything else that can be adjusted to improve the situation? Or is the only option to open everything wide for half an hour before going to bed to ventilate again?
I appreciate any advice, tips, or tricks.
R
RotorMotor15 Jun 2023 10:10HeimatBauer schrieb:
For the very precise readers: heat pump with bivalent control. No, it simply has nothing to do with bivalence, not even with bivalent control if the heat pump can also cool.
Bivalence and heat generators always refer to the operation of two heat generators, not to the fact that it can also cool.
X
xMisterDx15 Jun 2023 12:02And then you walk around the house in summer wearing felt slippers because the floor is 18°C (64°F)? I find it hard to believe that’s comfortable.
We currently have 24°C (75°F) in the kitchen, and it’s anything but unpleasant.
In our old rental place, which we’re clearing out right now, the bedroom was 28°C (82°F) yesterday because the sun was shining directly on it… that’s uncomfortable, yes. But 24°C (75°F)? It’s summer after all—let’s enjoy the warm days. In autumn, everyone will be complaining again because it’s cold and damp.
We currently have 24°C (75°F) in the kitchen, and it’s anything but unpleasant.
In our old rental place, which we’re clearing out right now, the bedroom was 28°C (82°F) yesterday because the sun was shining directly on it… that’s uncomfortable, yes. But 24°C (75°F)? It’s summer after all—let’s enjoy the warm days. In autumn, everyone will be complaining again because it’s cold and damp.
H
HeimatBauer15 Jun 2023 13:27It is extremely convenient to never be without it again. Just as you should keep your brain switched on when adjusting the heating, the same applies to cooling control – so don’t simply set the whole house to a strict target temperature of 18°C (64°F) in summer. Thanks to the condensation barrier (which limits cooling before condensation would occur) and the dependence on outside temperature, it works wonderfully. In summer, I now only go to the office in the mornings because I can only work at home comfortably at reasonable temperatures. Currently, I am working on minimizing the time lag caused by the underfloor heating by adjusting the cooling early in the morning based on battery charge level, photovoltaic yield forecast, and weather forecast, then reducing it in the afternoon.
xMisterDx schrieb:
And then in summer, you walk around the house wearing felt slippers because the floor is 18°C (64°F)?
I can hardly imagine that being comfortable. Honestly? I find it really pleasant! You come in from outside and the floor feels nicely cool. There’s nothing better for me.
Wood flooring naturally feels (or even is?) warmer than tiles. But I actually like tiles in the hallway a lot, especially when the cooling runs through them.
I cool the floors during the day once the average outside temperature reaches 22°C (72°F). It already gets pretty warm outside during the day then. That’s when I appreciate the cool floor. When it gets cooler again, the cooling switches off and my feet don’t get cold.
Disclaimer: I hate hot feet, better too cold than too warm!
H
HeimatBauer15 Jun 2023 13:37OWLer schrieb:
Honestly? I find it really pleasant! When you come in from outside, the floor feels nicely cool. Nothing better for me.
(...)
Disclaimer: I hate hot feet, better too cold! My wife HATES cold feet and still LOVES our cooling system.
We have all kinds of floor coverings in our house. You feel the cooling most on tiles, for example when you come in barefoot with wet feet from the pool. You know what most people do when they come in and the floor is cool? They stop with a blissful expression and say, “Oh, that’s so pleasant, I just have to stand here for a moment.” With carpet, whether fixed or loose-laid, you only notice it because the warmth is gone. Right now I have the cooling on quite often in the attic because the heat tends to build up there—despite having centralized ventilation.
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