Future buildings

Active House – a focus on ventilation and the thermal environment 

The report looks closely at the ventilation and thermal environment of Active Houses, covering the benefits and what still needs to be improved. The paper reports that Active Houses have better airtightness than what is nationally required, that the indoor air quality is of a high standard regardless of the type of ventilation system installed, that thermal comfort can be achieved with generous daylight conditions and that natural ventilation and dynamic solar shading must be applied to avoid overheating. However, work still needs to be done - the current methods in standards and legislation that are used to determine the performance of ventilative cooling need to be improved and affordable, intuitive and simple control systems for residential hybrid ventilation and dynamic solar shading are needed.

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