This credit states to exhaust hazardous spaces with no air recirculation. I have a lab which is a single contained room with outside air and exhaust air ducted directly to the space from a dedicated outside air unit. The space is tempered by a VRF ceiling cassette unit which recircs the air within the space. Does this negate the intent of the credit as it relates to air recirculation?
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Dylan Connelly
Mechanical EngineerIntegral Group
LEEDuser Expert
472 thumbs up
August 8, 2012 - 3:55 pm
The VRF unit would be doing local recirculation rather than recirculating the exhaust air from the space back into a full building system. The intent of the credit is to reduce the potentially contaminating other spaces. You may still be able to get the credit provided your meet the rest of the requirements. You could check for a LEED Interpretation or ask for one.