How do you size a commercial vent hood?

To determine the correct size Grease Range Hood System to install, National Fire Code (NFC) dictates that the Hood should be 6 inches larger on all sides compared to all of the equipment that is under it. Please consult your local Building Code Office to see if they require more overhang.

How do you size an exhaust hood?

Width: When possible, size the hood 6” larger in width than the cooktop. For example, if you have a 30-inch cooktop, the size of your range hood should be 36″ inches. Depth: Most range hoods come in 22-27” depths with some range hoods being 30” deep.

What are commercial hoods?

Commercial range hoods are manufactured from heavier materials and are considered more durable compared to standard residential range hoods. These hard-working systems are designed to exhaust combustion products, airborne grease, and unpleasant odors from a kitchen that experiences heavy or frequent cooking.

What size hood do I need for a 30 inch range?

What size range hood do I need for a 30 inch cooktop? For a 30 inch cooktop, install a range hood that is at least 36” wide indoors and 42” wide outdoors.

Do I need a hood in my commercial kitchen?

Ventilation systems (also known as hoods) are required in a commercial kitchen setting. They provide fire protection for the kitchen and create a comfortable working atmosphere for your staff and a pleasant experience for your residents by removing odors, heat, steam, grease and smoke.

What is a Class 2 Hood?

Type II hoods are exhaust only hoods meant to remove heat, moisture, and odors and are primarily used over non-grease producing cooking appliances. Type II canopy hoods are required to be installed where cooking or dishwashing equipment produce heat, or steam.

How does a commercial vent hood work?

Commercial kitchen vent hoods must effectively manage the flow of grease and grease vapor to expel odor and air contaminants as well as remove moisture from the air. The exhaust fan creates a reverse draw of air through the hood to remove smoke, soot, steam, heat, and grease vapors away from your building.

How big of an exhaust hood do I Need?

For others, it may be a matter of convenience and/or efficiency. The general size and rule of thumb for MUA is a 6’ Hood or larger or 2000 CFM or more of Exhaust flow.

Why do you need a kitchen exhaust hood?

Commercial exhaust hoods are essential to the safe operation of any commercial kitchen. Some kitchen hood systems are designed to remove hot air, steam, and smoke, while other exhaust hoods use filters to remove grease and food particles. Restaurant ventilation regulations require that commercial kitchens use proper venting systems that are in

What should the duct size of a kitchen exhaust fan be?

However, one aspect of kitchen exhaust fans that is often overlooked is the range hood’s duct size and configuration. This is just as important, if not more important, than range hood CFM. Regardless of the CFM of your range hood, if you have ductwork that is too small, it will not run at maximum efficiency.

What is the minimum duct size for a range hood?

What is the minimum duct size for a range hood? The minimum duct size for a range hood is 4”, which is ideal for range hoods 400 CFM and under. The higher the cubic feet per minute, the larger the duct you’ll need. At 600 CFM, the minimum duct size is 6”.