Room Exhaust Fan Calculator

First figure out the cubic feet of your garden area.

Room exhaust fan calculator.

Foot from the table air changing rate ach for bathroom 8 times hour. For a rectangular bathroom this is done by multiplying the width and length. You can jump right into the ventilation calculator by plugging in the volume of your grow op lxwxh or you can keep reading to learn about cfm and how fast you should be replacing. Measure the floor of the area example 3 feet by 4 feet and multiply this by how tall the area is example 8 feet.

Calculate or enter the square footage of the attic or area to be vented. Size of ventilation fan. You want to exhaust all the air. Area of the room length x width x height area of the room 10 x 15 x 10 1500 cub.

Calculate size of ventilation fan for bathroom of 10 foot long 15 foot width and 10 foot height. Other options for bath fans include lights heaters and even humidity sensors. Ventilation is often over looked but it s vital to healthy plants. The higher the bath fan rating the more air can be vented out of the bathroom which means less moisture and mold build up.

When installing a vent fan make sure there s at least a 1 2 gap under the bathroom door to allow fresh air to enter the room when the fan is running. For example a 7 ft x 10 ft 2 1 m x 3 m bathroom has a floor area of 70 square feet 6 5 square meters. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. This page is designed to be a general guide for selecting an exhaust fan based on the size of the room and the type of application the fan will be used for.

Calculate the floor area of your bathroom. So here s how you calculate the cfm rating for your fan. In this example you would have 3 times 4 times 8 which equals 96 cubic feet. Multiply the width and length of your grow room times the height to get the total cubic feet.

Our grow room ventilation calculator is just what you need to grow kick ass marijuana plants. If you have any questions regarding cfm s air exchanges needed the calculator or which exhaust and or supply fans may be right for your building please call us at 866 727 1060 exhaust intake air ventilation guide based on 0 static pressure cfm room volume minutes per air exchange room volume l x w x h room dimensions. Bathroom vent fan cfm cubic feet per minute calculator. Run the fan for 15 to 20 minutes after showering or bathing to expel all the excess moisture.