What are the installation requirements for kitchen exhaust systems?
Kitchen ventilation system installations are subject to the local codes and NFPA 96, which should be known by the designing engineer and contractor. Attention must be made to suspended height of the hood relative to the cooking surfaces, clearances to combustible/non-combustible materials for the hood; gauge, insulation and pitch of the duct run; exhaust duct air velocities; access door locations; attachment methods to fans and pollution control equipment and fires suppression requirements (including whether or not fire dampers are in hood collar).
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