There comes a time in every restaurant kitchen’s life - whether it’s the initial build out, a planned kitchen upgrade, or an emergency equipment upgrade - where a new restaurant exhaust fan will need to be installed. Whenever you are choosing a new exhaust system it is always important to know how to choose the correct sized exhaust fan for your specific kitchen application. If the exhaust system is too small then it may not properly filter the air and could leave behind grease, dust, smoke, and other airborne particles. If your exhaust system is too large the system may pull too much power then is required and could cause a power drain on other kitchen appliances and resources in the kitchen. Here is what you need to know when choosing the correct exhaust hood size.

1) CFM - Cubic Feet per Minute

CFM is the amount of air that an exhaust fan pulls out from the kitchen space. If the CFM is too weak then the exhaust system may not be strong enough to exhaust out grease, moisture, heat, and other airborne contaminants out of the kitchen space. When the CFM is too strong is can cause negative pressure and drafts throughout the kitchen space.

2) Size & Location

The first component of any exhaust system is the exhaust hood itself, so knowing the proper size and location of your exhaust hood is crucial. Find where the exhaust hood needs to be installed over your kitchen equipment, a...