Just what do Kiwis do to keep their homes free from stuffy air? BRANZ is using science to find the answers and aid in the design of better ventilation systems.
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The current review of the Building Code includes looking at indoor air quality and ensuring the performance requirements for buildings are clearly stated.
BRANZ’s new Warmer, Drier, Healthier Buildings programme is taking a holistic and collaborative approach to explore the issues and find solutions that allow buildings to be warm, dry and healthy.
Around 50% of New Zealand homes are affected by mould – an unacceptably high statistic when it is known to cause respiratory and other health issues. Having more resilient houses could improve this.
Sufficient ventilation is crucial as our homes become more airtight. A mix of passive and mechanical options can work well, but all designs should start by getting the source extraction measures right.
By following some easy to implement practices, occupants in a new centrally heated home were able to reduce high levels of internal moisture and enjoy a comfortable indoor environment.
The evidence is in. Children work better and are healthier when their schools have good lighting, clean air and are neither too hot nor too cold.
An international report finds that healthy workplaces may result in higher productivity. Some of its results mirror work done by BEES on indoor air comfort and the use of natural light.
Designing a home with a comfortable indoor environment can be complex, requiring environmental factors to be considered together, not in isolation. Individual comfort levels also vary, adding to the task.
Far too many offices are too hot to be comfortable, too cold to be healthy or too dim to see clearly. These are some of the findings of the on-going BRANZ BEES study.