What aspect does the ANSI/ASHRAE 52.2 test specifically measure in filters?

The ANSI/ASHRAE 52.2 test focuses specifically on measuring filter efficiency, which refers to a filter’s ability to remove airborne particles from the airstream as it passes through the filter media. This is critical in assessing how effective a filter will be in improving indoor air quality and ensuring that the air being circulated is free from contaminants.

The methodology of the test involves determining the percentage of particles that are captured by the filter, typically within a specified size range, during a defined testing scenario. This allows for a standardized way to compare the performance of different filters, helping consumers and professionals make informed decisions about which filters best meet their needs for air quality, energy efficiency, and HVAC system performance.

Other aspects like noise level, material strength, and cost effectiveness are important considerations for filters, but they are not the primary focus of the ANSI/ASHRAE 52.2 test. Therefore, while those factors may influence the selection and performance of air filters in practical applications, it is the filter efficiency that is quantified and standardized through this specific testing protocol.