Exhaust Fan Size For Kitchen

The exhaust fan drawing below illustrates how static pressures are measured in ductwork with a manometer.

Exhaust fan size for kitchen.

It is designed with a led indicator that helps you to keep track of temperature setting and a durable 9 inches blade. You multiply length times width times height. 2 048 cubic foot room x 15 air exchanges 30 720 cubic feet moved per hour. The minimum requirements say that this air should be changed 15 times an hour.

Genesis twin window fan is one of those best exhaust fans for kitchen windows. One pound per square inch is equivalent to 27 7 sp. The fan has a copper motor built to withstand all forms of situations and weather conditions. A 0 to 400 cfm fan requires a 4 inch minimum duct size but a 6 inch duct is recommended.

10 feet x 12 feet x 8 feet that computes to 960 cubic feet of air in the room. For applications where the 10 horizontal distance cannot be met separation between exhaust and supply must be at least 3 feet. Roof deck to top of curb 18 min. 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 ensure that all of the smoke grease or odors get pulled out of the kitchen it is necessary to have a little negative pressure. The general rule of thumb is about 85 of exhaust. To find the fan needed for your size kitchen multiply the number of cubic feet in the room by the number of air exchanges 15 then divide by the number of minutes in an hour 60. A pressure differential between the duct and the.

The minimum duct sizes and recommended duct sizes based on a hood fan s cfm rating are as follows. Supply fan intake 10 min. Fan static pressure is measured in inches of water gauge. You now need to multiply 960 x 15.

Static pressure in fan systems is typically less than 2 sp or 0 072 psi. From all exhaust fans. 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. Therefore the proper mua fan for 4000 cfm of exhaust would be about 3400 cfm.