Experimental characterization of the efficiency and energy consumption of central air cleaners

Résumé et principaux résultats

Abstract: The present study aimed at assessing six commercially-available in-duct air cleaners that use different technologies and are designed to be mounted in the central ventilation system of office or commercial buildings. All devices first underwent laboratory tests to determine their single-pass efficiency against particles, a mixture of volatile organic compounds and two bio-contaminants, under various operating conditions. The pressure drop, the electricity consumption, and the production rate of ozone and formaldehyde, were also measured, when relevant. Yearly simulations of a low-energy reference office building were then carried out to assess the benefits of installing one of the tested air cleaners on the recycled air, based on IAQ and energy criteria. The results show different trends depending on the air cleaning system and pollutant considered. Two devices are definitely efficient in removing indoor air contaminants while consuming reasonable energy. Low to medium airflow rates are the optimal operating conditions.
Titre : Caractérisation expérimentale de l'efficacité et de la consommation d'énergie d'épurateurs d'air centralisés
Résumé : Article support d'une présentation à la conférence Indoor Air 2016, Gand, Belgique, 3-8 juillet 2016