Healthy indoor air quality
如何用机械通风系统防止野火烟雾进入绿色家园?
...airtightbuilding envelope Buildings benefit from anairtightenvelope, since it allows better control over indoor air quality .Airtightness also improves energy efficiency; indoor air leaks waste cooling power during summer and heating power during winter - which is why using HRV and ERV systems is recommended to r...