Room Exhaust Fan Calculator

First figure out the cubic feet of your garden area.

Room exhaust fan calculator. You want to exhaust all the air. 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. Our grow room ventilation calculator is just what you need to grow kick ass marijuana plants. Calculate the floor area of your bathroom.

Ventilation is often over looked but it s vital to healthy plants. 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. So here s how you calculate the cfm rating for your fan. Using a decibels meter with the major brands of exhaust fans sold at hydroponics stores i ve discovered the quietest brand of fan is the hyper fan stealth.

Foot from the table air changing rate ach for bathroom 8 times hour. Size of ventilation fan. Multiply the width and length of your grow room times the height to get the total cubic feet. In this example you would have 3 times 4 times 8 which equals 96 cubic feet.

Measure the floor of the area example 3 feet by 4 feet and multiply this by how tall the area is example 8 feet. 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. Other options for bath fans include lights heaters and even humidity sensors. Bathroom vent fan cfm cubic feet per minute calculator.

Calculate size of ventilation fan for bathroom of 10 foot long 15 foot width and 10 foot height. 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. For a rectangular bathroom this is done by multiplying the width and length. Calculate or enter the square footage of the attic or area to be vented.

All you need to do is select the application from the dropdown enter the size of the room and we will provide you with a general capacity range m3 hr that you should be looking to achieve from the extraction fan. 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. The bath fan calculator is standard guide to help you find the minimum fan rating for your specific bathroom. The higher the bath fan rating the more air can be vented out of the bathroom which means less moisture and mold build up.