Two streams, one box Every recovery device brings exhaust and supply into one casing. The question is whether they can mix. Leakage is the fraction of one stream that escapes into the other through seals, the matrix or carryover. How the technologies compare Plate (sensible): streams separated by solid walls; leakage is only through perimeter […]
ASHRAE 241: Controlling Infectious Aerosols
What ASHRAE 241 Is Published in June 2023 as Standard 241-2023, Control of Infectious Aerosols, ASHRAE 241 is the first comprehensive consensus standard for managing airborne disease transmission in buildings. It is a voluntary standard given legal force only when adopted by a code authority, written into a project specification or lease, or applied voluntarily […]