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ASHRAE Updates IAQ Guideline, Says Use High-Efficiency Filters

With recent research showing that ultrafine particles are more hazardous to human health than originally thought, higher-efficiency filters should be used, according to the newly published 2015 version of ASHRAE’s residential indoor air quality guideline. Guideline 24-2015, Ventilation and Indoor Air Quality in Low-Rise Residential Buildings, provides information on achieving … Read more »