Physical size and mounting height once you know the type exhaust rate and design style you need for your kitchen you also must consider the physical size of the commercial kitchen exhaust hood.
Kitchen exhaust hood size. This air has to either be discharged into the same room as the range hood or into rooms or duct systems that communicate through one or more permanent openings with. The general size and rule of thumb for mua is a 6 hood or larger or 2000 cfm or more of exhaust flow. They require that all kitchen exhaust hood systems capable of exhausting more than 400 cu. 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.
Read on to determine how to size your exhaust and supply fans. Per minute cfm be provided makeup air at a rate approximately equal to exhaust. A range hood should be able to exchange the air in the kitchen at least 15 times per hour or every four minutes. Range hood duct installation issues troubleshooting and problem solving.
The information presented is applicable to new construction and in many instances retrofit construction. Is it the right size to create the capture zone you need for your cooking appliances. This design guide reviews the fundamentals of kitchen. Note that not both exhaust fans are required for hood exhaust.
You should also take into account the size of your kitchen in cubic feet when calculating the size range hood fan needed since a larger kitchen needs more venting to clear the air than a smaller room.