Commercial Kitchen Exhaust Duct Sizing Chart

Ashrae tech nical committee 5 10 kitchen ventilation sponsored and provided project guidance for a recently completed research.

Commercial kitchen exhaust duct sizing chart.

The information presented is applicable to new construction and in many instances retrofit construction. The hood manufacturer dictates the volume of airflow. Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators. 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.

Note that not both exhaust fans are required for hood exhaust. Minimum duct size of 4 recommended duct size of 6. View the kitchen exhaust duct sizing chart below to determine your ductwork diameter based on range hood cfm. 1 the shell of the hood 2 the baffled grease filters and 3 the trough at the bottom of the filters.

Minimum duct size of 7 recommended duct size of 8 10. Sizing and finding high quality low maintenance exhaust and air movement equipment can save money for agencies and business owners. 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. This design guide reviews the fundamentals of kitchen.

Sizing an upblast or exhaust fan. Please fill out the following form and we will contact you soon. Duct system sizes and airflow quick chart created date. Read on to determine how to size your exhaust and supply fans.

Minimum duct size of 6 recommended duct size of 8. 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.