
Roskilde, Denmark – from dehumidifier to heat-recovery ventilation
An indoor-climate case illustrating the difference between removing moisture from air with a dehumidifier and establishing controlled air exchange.
Denmark · RoskildeGlossary term
Temperature at which air becomes saturated and water vapour can condense on a surface.
BASEMENT ATLAS
Source types stay separate: technical and authority-adjacent sources support rules and risk topics, while project sources document practical experience.
Warm weather does not necessarily dry a cool basement. Air entering through a window can reach its dew point when it meets the cold walls, floor or pipes.
Condensation on basement windows. Start by documenting dew point and surface temperature, condition of the substrate and actual air-change path. The purpose is to understand the building condition and constraints before choosing products, finishes or a work sequence.
Monitoring basement humidity. Start by documenting dew point and surface temperature, actual air-change path and intended use of the room. The purpose is to understand the building condition and constraints before choosing products, finishes or a work sequence.

An indoor-climate case illustrating the difference between removing moisture from air with a dehumidifier and establishing controlled air exchange.
Denmark · Roskilde
A specialist basement ventilation case where below-ground level and the lightwell dictated a non-standard installation detail.
Denmark · Holbæk
A documented heat-recovery ventilation installation showing wall drilling, placement and the completed unit in a basement.
Denmark · BagsværdBASEMENT ATLAS
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