Published at Saturday, July 07th, 2018 - 05:45:08 AM. Range Hood. By Farago.
Excerpt from Range Hood Blower Insert - How to Choose The Correct Size :
Common sense dictates that the more heat a unit produces, the more airflow will be required to rid the greater amount of resulting grease and smoke. Let's call this the Common Sense Rule. That said, the first calculation method we will look at is based on cooking surface size and range hood location. If the hood is mounted on a wall behind the range (as most are), then you will use the 40 cfm per linear foot of cooking surface rule. This method dictates that for a typical 30" four burner range, you should employ at a minimum a hood able to move 100 cfms of air. But remember the Common Sense Rule. If you do a lot of frying or wok cooking and therefore produce an increased level of grease and smoke, you will likely be disappointed with a 100 cfm unit - go bigger. To extend this method to kitchen island cooking, the 50 cfm per linear foot of cooking surface rule should be used. With the same 30" four burner range operating in an island, the minimum cfm's are bumped up to 125, and as always, the Common Sense Rule is applied.
This is the scenario in millions of homes-possibly yours unless you have proper ventilation over your kitchen cooking surface. But how do you know the right size range hood to select for your specific needs and lifestyle? And how much power do you need?
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