Finding · as stated by the study, recorded by Coridum · status verified-machine
Finding F-0627
“Even with a strong seasonal trend with significantly lower indoor radon activity concentrations in summer compared to winter, the decentralised ventilation system was able to reduce indoor radon by up to 83 %.”
Structure
- Factor
- Radon
- Intervention
- Mechanical ventilation
- Population
- unoccupied test flat
- Setting
- apartment, DE
- Study design
- 22 ventilation experiments over one year in an unoccupied flat in a former uranium mining region in Germany: a decentralised ventilation system with different modes and fan performance levels, indoor radon monitored in living room, bedroom, kitchen, corridor and bathroom with meteorological parameters (class 4)
- Effect
- difference 83
- Caveat
- the best reduction across experiments, with strong dependence on ventilation type and fan performance level
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