The makeup air pulled back into the kitchen needs to be approximately equal to the air exiting the kitchen via the hood exhaust systems.
Kitchen exhaust hood regulations. Example a shows a kitchen that does not have more than 5 000 cfm of hood exhaust. Kitchen exhaust continued ansi ashrae ies standard 90 1 2010 4 air conditions and when dvs s or energy recovery devices are required. 7 ventilation 8 lighting division 3 floors walls and ceilings 9 application 10 floors 11 walls and ceilings division 4 fixtures fittings and equipment 12 general requirements 13 connections for specific fixtures fittings and equipment 14 hand washing facilities standard 3 2 3. Kitchen hood exhaust systems understanding and addressing the special fire risks inherent in commercial kitchen ventilation systems preface kitchen exhaust systems continue to feature prominently in commercial building fire events.
A commercial kitchen exhaust hood is only one component of the kitchen ventilation system ckv. The air that exits the building through exhaust hoods must be replaced with. Likewise the temperature difference between the air inside the kitchen and the air being brought into the kitchen via the makeup air system cannot exceed 10 degrees. The ckv is a subsystem of the overall building heating ventilating and air conditioning system hvac.
5 essential tips for choosing a commercial kitchen exhaust hood. But are things like soup pots and panini presses considered cooking appliances. Kitchen ventilation typically is provided by a vent hood also called a range hood or by an above the counter microwave with an integrated vent fan. Fire safety within kitchen ventilation systems in not just a matter for the system designer or system installer.