Exhaust Fan Size For Kitchen

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.

Exhaust fan size for kitchen.

Supply fan intake 10 min. For applications where the 10 horizontal distance cannot be met separation between exhaust and supply must be at least 3 feet. 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. Roof deck to top of exhaust fan windband 40 min.

Static pressure in fan systems is typically less than 2 sp or 0 072 psi. Fan static pressure is measured in inches of water gauge. A pressure differential between the duct and the. Roof deck to top of curb 18 min.

A 0 to 400 cfm fan requires a 4 inch minimum duct size but a 6 inch duct is recommended. You multiply length times width times height. Genesis twin window fan is one of those best exhaust fans for kitchen windows. 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.

The general rule of thumb is about 85 of exhaust. 2 048 cubic foot room x 15 air exchanges 30 720 cubic feet moved per hour. The minimum duct sizes and recommended duct sizes based on a hood fan s cfm rating are as follows. Iliving 16 wall mounted exhaust fan automatic shutter variable speed vent fan for home attic shed or garage ventilation 1200 cfm 1800 sqf coverage area 4 6 out of 5 stars 513 109 77 109 77 164 00 164 00 kitchen wall exhaust fan.

From all exhaust fans. 10 feet x 12 feet x 8 feet that computes to 960 cubic feet of air in the room. The minimum requirements say that this air should be changed 15 times an hour. It is designed with a led indicator that helps you to keep track of temperature setting and a durable 9 inches blade.

Therefore the proper mua fan for 4000 cfm of exhaust would be about 3400 cfm. The exhaust fan drawing below illustrates how static pressures are measured in ductwork with a manometer. The fan has a copper motor built to withstand all forms of situations and weather conditions. 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.