ASHRAE 55 and Thermal Comfort ASHRAE 55 defines acceptable thermal environments through the PMV or PPD model, balancing air temperature, mean radiant temperature, humidity, air speed and clothing. Heat recovery changes supply-air conditions, so it must be designed without degrading comfort. Humidity and IEQ Enthalpy recovery transfers moisture as well as heat, helping hold indoor […]
WELL v2 Performance Verification for Air and Thermal Comfort
WELL v2 and Performance Verification The WELL Building Standard v2 (IWBI) certifies buildings on a points basis across ten concepts. Unlike a one-time design review, WELL requires Performance Verification, on-site or post-occupancy testing of selected features before certification is awarded and at recertification. What Gets Verified Air (A01 to A09): particulate PM2.5 and PM10, TVOC, […]