Commercial Kitchen Exhaust Duct Size

At 1200 cfm and above the duct size will depend on the type of fan motor and the length of the duct run but it should never be smaller than 10 inches in diameter. Minimum duct size of 4 recommended duct size of 6 401 600 cfm. You may outgrow a 24 broiler and swap it out with a 36 or larger model and thus would need the hood to be larger.

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Commercial kitchen exhaust duct size.

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. For commercial kitchen applications when not specified by code the following guidelines may be used to determine the minimum kitchen hood exhaust cfm. Sizing an upblast or exhaust fan. Inventors of the positive pressure chimney system selkirk products meet and exceed the requirements of codes and other manufacturer products.

Minimum duct size of 6 recommended duct size of 8. Factor built commercial exhaust hoods which are tested in accordance with ul710 listed labeled and installed in accordance shall not be required to comply with sections. View the kitchen exhaust duct sizing chart below to determine your ductwork diameter based on range hood cfm. Leading manufacturer of chimney venting and air distribution products for commercial and residential hvac industries for over 80 years.

Use this formula to also determine the size of heat hoods. Please fill out the following form and we will contact you soon. A grease duct is a duct that is connected to the kitchen exhaust hood and is specifically designed to vent grease smoke and other harmful contaminants from commercial cooking equipment to the outside of a building. Read on to determine how to size your exhaust and supply fans.

Are you interested in representing captiveaire and selling our products. Kitchen exhaust grease duct. Also keep in mind that certain code dictates certain spacing between items.

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