What is considered a sufficient capacity for a ventilation system?
Basically, one that will do the required job of removing greasy fumes without causing contamination of food, food contact surfaces, equipment, or utensils. For standard commercial establishments, an air balance test can be required if the capacity is questionable. We sometimes run into small establishments using residential style ranges, in particular day care centers. For those situations, when the only cooking is done on a residential style range, the recommended review should consist of: State or local fire marshal office (as applicable) shall approve the use of the type of hood. If the fire marshal approves the use of a residential hood for a residential range, the Health Dept. may allow use of the hood provided: a. Written documentation is provided of the fire marshals inspection and approval. b. Make-up air intake and exhaust vents are required. These require operable fans in the ventilation system. There shall be no food or equipment contamination issues. c. The hood must be eas