Abstract
The presented study reveals a dew point temperature analyses in ground floor residential room with existing thermal bridge. The dew point temperature is analysed, based on field measurements of indoor air temperature and relative humidity in the residential room, without organized occupants’ behaviour. Furthermore, the dew point temperature is cross-analysed with existing thermal bridge propagation in one of the outer walls of the room, via infrared thermal images. The results represent a valuable indicator for moisture accumulation over the thermal bridge zone, as well as an indicator for future mold growth and other humidity related problems. In the building design practice, the “thermal bridge” is defined as a distant zone, where construction elements have higher thermal conductivity, compared with the rest of the building envelope. These thermal bridges mostly affect the energy performance of the buildings, because of the higher heat losses from inside towards outside. But even more important, moisture build-up and considerable humidity related problems in the occupied areas are probable, due to the decreased surface temperature over the affected thermal zones.
Highlights
According to various studies, humidity indoors increases the risk for development of wide range of health problems in the occupants. [1] These may include: respiratory tract infections, asthma, shortness of breath, and fatigue, weakness and headache
Some studies suggest that prolonged occupation of humid environment is a risk factor for the development of hypersensitivity and the emergence of allergies. [2,3] except for the house dust mites, it is not yet definitely established which components of the indoor air associated with the humidity, are responsible for the existence of these problems. [4]
It is recognized that excess humid indoor environment is dangerous for the occupants themselves
Summary
Humidity indoors increases the risk for development of wide range of health problems in the occupants. [1] These may include: respiratory tract infections, asthma, shortness of breath, and fatigue, weakness and headache. Humidity indoors increases the risk for development of wide range of health problems in the occupants. Some studies suggest that prolonged occupation of humid environment is a risk factor for the development of hypersensitivity and the emergence of allergies. [2,3] except for the house dust mites, it is not yet definitely established which components of the indoor air associated with the humidity, are responsible for the existence of these problems. It is recognized that excess humid indoor environment is dangerous for the occupants themselves. The last are considered all accidental sources, which include the different kinds of leaks from water pipes, floods and others
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