Hood vents are designed to remove odors in the kitchen caused by cooking.
Kitchen exhaust hood dimensions. You should also take into account the size of your kitchen in cubic feet when calculating the size range hood fan needed since a larger kitchen needs more venting to clear the air than a smaller room. Required air volume flow for a exhaust hood with circumference 3 m located 1 2 m above a stove can be calculated as. Example kitchen exhaust hood. Glass steel and custom wood are all options.
Hood vents also help remove heat moisture grease and. Read on to determine how to size your exhaust and supply fans. This design guide reviews the fundamentals of kitchen. Q 2 0 2 m s 1 2 m 2 2 3 m 1 7 m 3 s.
Selecting sizing exhaust hoods is the first design guide in a series that will help you achieve optimum performance and energy efficiency in your commercial kitchen ventilation system. But you need to know the size of range hood you need not necessarily the dimensions for this topic but the amount of cfm cubic feet per minute needed for your hood. In commercial kitchens oven hoods are often combined with fire suppression devices to ensure that grease fire fumes are put. This equates to a complete cycling of air every 4 minutes.
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. If your conditioned air whether heated or cooled is getting pulled out of your facilities at a rate of 2000 cfm or greater it will cost you allot more money in the long run than the initial cost of a mua fan. An oven hood also known as a kitchen hood exhaust hood or range hood is a device that uses evacuation and filtration of the air to remove airborne grease fumes smoke heat and steam oven hood are employed in both domestic kitchens as well as commercial kitchens. The general size and rule of thumb for mua is a 6 hood or larger or 2000 cfm or more of exhaust flow.
But despite the benefits many homeowners turn a blind eye to the range hood. Determine the recommended ventilation based on your kitchen s size. There are an amazing amount of beautiful range hoods available now. After all there are several factors to consider such as the size mount style and ventilation type.
The information presented is applicable to new construction and in many instances retrofit construction. But for this post we re focusing on how to calculate your kitchen range hood fan size. Note that not both exhaust fans are required for hood exhaust. For starters searching for the right kitchen hood can be overwhelming.
The units don t match since the equation is empirical a result of experiments.