Document describing the difference between type 1 and type 2 kitchen exhaust hoods. For ventilation rates, refer to the latest edition of the Michigan Mechanical Code, section 507.
Did the builder/homeowner decide to put a 1200 cfm exhaust hood in the kitchen? Is the inspector now requiring conditioned make-up air? Don't worry, we get these calls often and have a solution. The 2015 MRC prescribes in M1503.4 that any kitchen exhaust hood system capable of exhausting more than 400 cfm must be …