![]() ![]() This is especially true if you’re cooking for a large number of people or you like to cook several things at a time and utilize several burners at once. But, if you tend to cook 3 or more times a week you may benefit from a little extra power. How Often Do You Cook And For How Many People?įirst of all, if you only cook once or twice a week, you’ll likely be just fine with the minimum recommended CFM for your kitchen size or cooktop. Your cooking style is another important factor, and this one doesn’t require any math calculations.ĭepending on what and how often you cook will play a big role in how much power and ventilation you need in your kitchen. So, if you need a 200 CFM hood based on the size of your kitchen, but your range size and type calls for a 500 CFM hood, go with the 500 CFM option. Now, compare that number to the recommended CFM based on your range type, and go with the larger number. 800/4= 200 CFM, the minimum number for your kitchen size. Next, simply divide the volume of your kitchen (800) by 4 (1 air exchange every 4 minutes) to get your recommended CFM. Multiply those numbers and you’ll find the volume of your kitchen is 800 cubic feet (10x10x8=800). Let’s say your kitchen is 10-feet long, 10-feet wide, with an 8-foot ceiling. So, the size of your kitchen can also be an important factor in finding the best CFM for you.įirst, you’ll need to determine the volume of your kitchen by multiplying its length, width, and height (I know, more math). With an ideal setup, your hood will replace all of the air in your kitchen once every 4 minutes. While it’s easy to see a hood removing the air directly above your cooktop, it’s also working hard to keep the air throughout your entire kitchen clean. In the next few sections, we’ll talk about other kitchen factors and how they may require a higher CFM for the best results. Now, both of those are just numbers to get started with. In this case, if you have a 50,000 BTU range, you’ll want at least a 500 CFM hood. For those, you’ll want to take your range’s total number of BTUs and divide that by 100. Gas ranges put off more fumes and heat, so they will require a bit more ventilation in general. That means for a 30-inch stovetop you’ll need at least a 300 CFM hood (30×10=300). If you have an electric or induction-powered stovetop, you’ll want to take the width of the cooktop in inches and multiply that by 10. Here are a couple of simple formulas that will give us a CFM starting point. ![]() The type, size, and output of your range are a good place to start when determining how much CFM you need. Now that you know what CFM is, you can start looking at your own kitchen to find the best hood and CFM for you. The type and output of your range, the size and ducting situation of your kitchen, and your preferred cooking style are great starting points. More power usually means more cost for the appliance, so if you’re on a budget it can be especially helpful to power your range hood to fit your specific needs without going overboard. Regardless of your situation, there are a few big factors to consider when picking the power of your next range hood. Big Factors To Consider When Picking Range Hood CFM You’ll find options that operate at around 150 CFM on the low end, or all the way up to and over 1000 CFM for really powerful models. When shopping for hoods, CFM is a quick and easy way to tell how powerful a hood is and if it will be enough for your cooking needs. The higher the number, the more power and speed the hood’s motor and fan have.Īnd when it comes to cooking, a more powerful hood should do a better job clearing more smoke, fumes, grease, and steam from your kitchen. Recap – How Much CFM Do I Need in My Kitchen?ĬFM stands for Cubic Feet Per Minute and it refers to the amount of air a hood is capable of moving.How Many CFM Do I Need For A 30” or 36” Range?.Do I Need Makeup Air For My Range Hood?.Big Factors To Consider When Picking Range Hood CFM. ![]()
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