Kitchen Exhaust Fan Calculation

Note that not both exhaust fans are required for hood exhaust.

Kitchen exhaust fan calculation. Kitchen ventilation calculations kef 01 kmf 01 2. 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. All you need to do is select the application from the dropdown enter the size of the room and we will provide you with a general capacity range m3 hr that you should be looking to achieve from the extraction fan. To make the final calculation take the larger of the cfm rating for stove width room size and stove burner.

Several types of installation can influence the exhaust per formance of a kitchen hood. Kitchen with dining area. If you have a dining area as part of the kitchen you should only measure what you would consider the cooking area of the kitchen and not include the dining part of the kitchen. Calculating range hood cfm vent fan size.

Let s say the length of your kitchen is 5 metres the width is 4 metres and the height is 2. Determine air flow required cfm a x b 60 15 548 x 20 60 5182 7 cfm ft min 4. Kitchen make up fan air flowrate. Add the additional cfms needed for the ductwork to arrive at the minimum cfm range hood to buy.

Click for more details. Use the correction factor after you have calculated the air volume by multiplying your final result with this factor according to your type of installation see chart 2. The calculator on this page is provided as a general guide designed to help you select an exhaust fan which may be suitable for your needs. If you have an open plan kitchen and dining room you should only factor in what you would consider the kitchen area.

This fan calculator is typically used to calculate the cfm or cubic feet per minute of air exchange that may be desired in a building. Calculation of air volume to exhaust correction factors according to the type of installation chart 2. The very intense. Inlet airflow 119 16 294 211 16 535 11 2 38 133 8 340 91 4 235 25 635 22 559 81 4 210 30 762 30 762 7 saf.

Read on to determine how to size your exhaust and supply fans. Kef 01 kef 01 1200 cfm b. Kmf 01 kmf 01 1200 cfm x 80 kmf 01 960 cfm 3. Whether exhausting air or bringing fresh air into a structure the calculation produced should help to figure out the size of fan s required to accomplish the air exchanges needed.

Kitchen exhaust air flowrate. Identify suitable model for application. This page is designed to be a general guide for selecting an exhaust fan based on the size of the room and the type of application the fan will be used for.