Natural Ventilation is the process of supplying and removing air, usually without the use of a fan or other mechanical system. It uses outdoor air flow caused by pressure differences between the building and its surrounding to provide ventilation and space cooling.
Source: HK Building Technology Net, Natural Ventilation, http://gbtech.emsd.gov.hk/english/utilize/natural.html
BREEAM assess indoor air quality with the aim is to recognise and encourage a healthy internal environment through the design, specification and installation of appropriate ventilation, equipment and finishes.
The purpose of natural ventilation is to provide fresh air and oxygen to occupants, remove odours and pollutants. It can also help to control internal temperature and humidity.
For assessing Indoor air quality, the testing and measurement of pollutants should be in accordance with the relevant standards, sample measurements should normally be taken from representative habitable or occupied rooms. We are capable of achieving compliance upon spaces with a depth higher than 15m, maintaining good levels of natural ventilation and thermal comfort, by the achievement of higher rates of ventilation to remove short-term odours and prevent overheating.
We can help your dwelling or commercial premises minimise sources of air pollution and the potential for natural ventilation. In case the dwelling has laboratory facilities we can give you recommendations to achieve good indoor air quality.
In ECOstudio XV® LTD we can assess adequate airflow in naturally ventilated and air- conditioned/mechanically ventilated buildings. Recommendations will be given in order to minimise health problems caused by deficient interior air characteristics and to guarantee your design is compliant upon elements stated on BREEAM.
Minimizing the sources of air pollution
ADAPTABILITY - POTENTIAL FOR NATURAL VENTILATION
13. The building ventilation strategy is designed to be flexible and adaptable to potential building occupant needs and climatic scenarios.
14. The natural ventilation strategy is capable of providing at least two levels of user-control on the supply of fresh air to the occupied space
Source: Breeam Hea-02 Indoor Air Quality