Ventilation requirements to prevent surface condensation. Case study for a three-person dwelling.

While the choice of reduction of transmission losses of a building to very low values is more or less only a question of economics, minimizing ventilation to reduce the heat loss may produce a lot of problems regarding air quality and building physics. This problem has not only been experienced in a great number of buildings in Germany, but it is also a problem common to all IEA member countries.

Fireplace air requirements.

              

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