Ventilation can improve indoor air quality, but it brings more energy usage. Observed from many aspects, it can be found that the advantages outweigh the disadvantages.
Ventilation can improve indoor air quality, but it brings more energy use. From many aspects, it can be found that the advantages outweigh the disadvantages<br>
Ventilation can improve indoor air quality, but it brings more energy use. From many aspects, it can be found that the advantages outweigh the disadvantages.