A method and building for producing a climatic effect, the building having an internal wall (2) and an external wall (3) between which a gaseous medium is fed as a result of which layers of condensation form on the inner and outer wall surfaces, the gaseous medium being fed through a guiding devices (3) in said space having outlets (8) along their length and one or more additional openings (5) in the inner or outer walls (1,2). IMAGE
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