The filtration efficiency of residential furnaces air filters was measured in several houses in Canada. Even efficient filters have a minor influence on particulate levels in houses. The ways to reduce these levels were investigated. Results show for example how HEPA filters on supply air reduce indoor particle concentration.
Reducing particulate levels in houses
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
2002
Bibliographic info:
Proceedings of Indoor Air 2002 (9th International Conference on Indoor Air Quality and Climate) - June 30 - July 5, 2002 - Monterey, California - vol 1, pp 868-873, 3 figs, 7 refs, 2 tabs