Updated Standard for Air-Filter Testing: Standard 52.2 revised to more closely reflect 'real-world' operation

摘要

In January, the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) standards committee responsible for reviewing and improving ANSI/ASHRAE Standard 52.2, Method of Testing General Ventilation Air Cleaning Devices for Removal Efficiency by Particle Size, approved two changes to the document's testing and reporting methods, both of which will take effect when the revised standard is published this fall.