Hello,
we want to install a central ventilation system (mechanical ventilation with heat recovery) and are currently looking into different manufacturers. However, the market is quite confusing, so I am interested in hearing about your experiences with various brands.
I would find app control quite useful. It’s not a must-have, but it would be nice. Ultimately, functionality, ease of cleaning, reliability, and electricity consumption should be the main priorities.
Do you have any tips on what we should definitely pay attention to during installation?
we want to install a central ventilation system (mechanical ventilation with heat recovery) and are currently looking into different manufacturers. However, the market is quite confusing, so I am interested in hearing about your experiences with various brands.
I would find app control quite useful. It’s not a must-have, but it would be nice. Ultimately, functionality, ease of cleaning, reliability, and electricity consumption should be the main priorities.
Do you have any tips on what we should definitely pay attention to during installation?
At low humidity levels, you are generally more susceptible to certain illnesses. We use a Helios system with moisture recovery and maintain indoor humidity around 45%-50%. Otherwise, I am satisfied with the control system; mine doesn’t always run at the same intensity but operates according to a weekly schedule, increasing or decreasing airflow at specific times (for example, stronger ventilation during cooking or showering).
Asking exactly like that is just right. You work a lot with technology, after all. You could connect a humidity sensor to the Helios unit and also have it regulate based on that, and I think the same goes for many other controlled residential ventilation systems. Alternatively, you could consider a custom solution since the Helios can be controlled via Modbus/LAN, and the documentation is available. For us, the humidity level combined with the heat recovery is quite optimal.
Mycraft schrieb:
Too much humidity is not good for the house either...
Which is better: somewhat dry air with mechanical ventilation with heat recovery, or somewhat humid air without mechanical ventilation with heat recovery?Around 30% relative humidity I consider to be structurally uncritical.
For comfort, it is individual; I personally prefer 35-40%.
A humidifier can easily achieve that…
Best regards,
Thorsten
N
nordanney16 Mar 2016 12:30It should be noted that this low humidity is not present year-round. From around 5°C (41°F) and above, the humidity returns to "normal" – which was the case for almost the entire last winter here in the Lower Rhine/Ruhr area.
nordanney schrieb:
It should be noted that this low humidity is not present all year round. From about 5°C (41°F) onwards, the humidity returns to "normal" – which was the case for almost the entire last winter here in the Lower Rhine/Ruhr area Exactly right.
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