Published at Saturday, August 04th, 2018 - 01:21:22 AM. Range Hood. By Farago.
Excerpt from Range Hood Size Calculator - How to Choose The Correct Size of Range Hood :
Range Hood Size Calculator - Did you know that every time you cook, millions of grease particles are released into your home? Research suggests that tiny microscopic particles of grease can float in the air for days and adhere to almost any surface in the home through a process know as thermal plating. Once these particles find a dwelling place they can feed mold and bacteria serving as the breeding ground for a host of tiny unwanted and unhealthy guests.
Range Hood Size Calculator - 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 cfm's 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.
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