Commercial Kitchen Exhaust Duct Sizing Chart

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Commercial kitchen exhaust duct sizing chart.

The information presented is applicable to new construction and in many instances retrofit construction. Please fill out the following form and we will contact you soon. The hood manufacturer dictates the volume of airflow. Ashrae tech nical committee 5 10 kitchen ventilation sponsored and provided project guidance for a recently completed research.

Ommercial kitchen design professionals were concerned that the minimum exhaust air ductwork velocity of 1 500 fpm 7 62 m s as required by the national fire protection association nfpa 96 1 was too restrictive. Minimum duct size of 4 recommended duct size of 6. This design guide reviews the fundamentals of kitchen. Duct system sizes and airflow quick chart created date.

Note that not both exhaust fans are required for hood exhaust. View the kitchen exhaust duct sizing chart below to determine your ductwork diameter based on range hood cfm. Minimum duct size of 6 recommended duct size of 8. Minimum duct size of 7 recommended duct size of 8 10.

Commercial and industrial ventilation can be expensive to install or update and finding the right type and size of fan will keep companies and industries in compliance with codes and regulations. Selecting sizing exhaust hoods is the first design guide in a series that will help you achieve optimum performance and energy efficiency in your commercial kitchen ventilation system. Read on to determine how to size your exhaust and supply fans. Sizing an upblast or exhaust fan.

A commercial restaurant kitchen grease exhaust type 1 vent hood is essentially comprised of three main components. The illustration above shows a typical commercial kitchen application utilizing a roof mount upblast exhaust fan or wall mount upblast exhaust fan in conjunction with a supply fan.