20% humidity in KFW 40+ new construction

  • Erstellt am 2023-03-03 08:43:26

profil65

2023-03-04 17:04:16
  • #1
I think the humidifier idea is good, but please don’t overdo it or your next post will be "Help, we have mold in the bedroom, what is the cause?" or something like that :eek:
 

xMisterDx

2023-03-04 18:05:23
  • #2


Unfortunately, that's probably what's going to happen. Especially because apparently 20 EUR per room for decent hygrometers is being saved. The hygrometer in the living room might still show 20%, while in the bedroom tropical 80% humidity is generated by the humidifier.
 

WilderSueden

2023-03-04 18:47:52
  • #3
For 20€ you can already get a 3-piece set and that is usually enough. Accuracy is not particularly important either; if you aim for 45-50%, you will also end up with cheap ones in the range of 40-55%. There should be no mold in new buildings.
 

Tolentino

2023-03-04 19:38:36
  • #4
I doubt that a household humidifier can compete with a controlled residential ventilation system to the extent that it permanently achieves 80% humidity at 20°C.
 

profil65

2023-03-04 20:18:26
  • #5
The experiment has just started ;) let's wait and see. Small(?) bedroom with 2-3 exterior walls(?), 2 people + humidifier, underfloor heating off, controlled residential ventilation properly adjusted, you can certainly get >70% relative humidity at <18°C room temperature in winter if you make an effort.
 

Ypsi aus NI

2023-03-05 01:09:06
  • #6
Guys, we had 51% at the peak. Otherwise, despite the humidifier, we're hovering around 40%. The hygrometer is consistently only in the bedroom, and that's the only place being humidified. We don't humidify the other rooms because we feel comfortable there. We continue to monitor everything and see how we get used to the house and the humidity.
 

Similar topics
05.02.2016What colors for the bedroom?44
25.05.2014When do you notice that the controlled residential ventilation system is working?18
15.09.2022Central controlled residential ventilation with heat recovery: Are rooms individually controllable?20
07.07.2017Experiences with decentralized controlled residential ventilation?13
12.06.2015But install a controlled residential ventilation system?54
26.04.2016Warm bedroom in the house with ventilation including heat recovery24
08.10.2016New construction Poroton T7 MW 36.5 without controlled residential ventilation45
09.09.2016Controlled residential ventilation and still open windows at night71
06.05.2017Accelerate drying after insertion13
04.11.2018Controlled residential ventilation Dry air - is a humidifier the right solution?31
26.04.2018Controlled residential ventilation - What should be considered when purchasing?30
01.02.2019Controlled residential ventilation with cooling: brine geothermal heat pump instead of air-to-water heat pump?30
26.01.2019Bedroom in the basement13
11.05.2020Proper ventilation behavior without controlled residential ventilation19
01.01.2020Technical room next to the bedroom23
29.07.2020Redesign of bathroom and bedroom. Room sizes still slightly variable.36
03.11.2020Single-family house with KfW55/controlled residential ventilation or Energy Saving Ordinance standard - experiences and opinions?22
31.12.2021Condensate/puddles on pipes - despite controlled residential ventilation and dehumidifier11
25.05.2022Air-to-water heat pump + underfloor heating + controlled residential ventilation with heat recovery - individually room differently temperature controllable?10
26.05.2022Planning controlled residential ventilation via local heating / sanitary company20

Oben