What Size Intake Fan For Grow Room

Popular sizes for clip fans used in grow tents are 6 inches and 8 inches.

What size intake fan for grow room.

So worry about getting the proper cfm rating. It s very easy to know the ideal size of intake fan that you should get for your grow room. This opening is usually 6 inches but measure just to be sure. Then simply connect the carbon filter to the extraction fan within the grow room.

Although it might deviate a lot based on fan placement in grow room. The intake fan size 840 cfm 840 15 714 cfm so the final is intake fan size is 714 cfm. One factor that can help narrow down your fan search is the size of your bulb. Quick recommendations for grow tent.

Once you know you need 200 cfm inline fan you ll find out that most 200 cfm inline fans are 4 inches in diameter. The formula for calculating fan size for an intake fan the intake fan should be 15 less powerful than the extraction fan. You probably want to get at least a 6 inch diameter fan due to the size of the light hood s opening. 714 cfm 714 x 10 785 40 cfm in the end if all the above factors apply to your grow area you will need a fan that can deliver 785 40 cfm.

Calculating carbon filter size once you ve worked out the size of your fans you can then simply find the same sized carbon filter. Go with the larger size and keep in mind that s a measure of overall grill size and not of the fan blade length. For example if your grow room needs a 6 inch fan you just need to buy a 6 inch carbon filter. Basically the cfm of your extractor fans should be the same with your intake fans.

Most fans come in 4 inch 6 inch and 8 inch diameters. If you don t have your extractor fan yet and you can t do the math you can also use another method.