When there are differences in temperature between adjacent rooms, the humidity contained in the air will settle in the rooms with the lowest temperature. The first signs of high humidity are damp clothing, musty smell and stained walls. Mould will then start to form when the relative humidity is in excess of 70%.
- Rust corrosion sets in when the relative humidity is 60%.
Air that is too moist causes alot of different problems, yet costly heating is not the answer: the air is heated up but still retains its moisture. Continuous airing is not sufficient either as the moisture will not be drawn from the air on a sustained basis. Dehumidifiers offer a better and cheaper solution.