With a small entry hole like this the grower would need an intake fan to help move air into the grow space.
Grow room intake fan size.
When choosing the best fan for your grow tent there are several consideration.
What size intake and exhaust fans would you recommend.
What sizes and types of fans work best in grow tents.
I have a 1000 watt 2 600 w and a couple of induction 420 lights.
What size exhaust fan for your grow room.
In this type of set up the fans work together to evacuate air within the grow space and replenish it with fresh air.
This is important because different sized fans will have different rates of air circulation and you want optimal circulation in your room for the best results.
There should be a slightly negative.
Second it lowers the humidity.
First it lowers the temperature.
Finally the grow room extractor exhaust fan calculator suggests us to go with a fan of 840 cfm of size.
Done with the grow room exhaust fan size calculation let s bring some fresh air in through the grow room air intake fan now.
If this were just a passive intake no intake fan then the intake hole should be about 4 times the size of the exit hole.
A grow room ventilation is a system that ensures a continuous flow of air between the outside world and the indoor grow area.
This isn t possible in a small grow tent where clip on fans attached to a pole are a better option.
The problem is that these formulas and calculations are entirely too theoretical and do not take into account the other practical factors that come into play.
Luckily there is an easy formula to determine the ideal size for your room.
In a large grow room powerful oscillating fans can be used to maximize air coverage across a wide area.
The most common grow room systems use a combination of exhaust fans and ducts or pipes to maintain airflow.
How to tell a quality inline grow room fan from a cheap knockoff.
Once you ve figured out the size of exhaust fan working out the grow room intake fan size is pretty simple.
Third the fresh air coming into the grow box carries with it a fresh supply of co2 which the plants need constantly to keep growing.
This helps prevent the exhaust fan from working too hard and will cool the area more efficiently.
The size of the grow area.
Active intake systems actively draw air into your grow room with a fan.
All that this means is that you have one fan blowing air out and another blowing air in.
Before anything else you need to determine what size your area is.
Using motorized fans for both the intake and the exhaust is common in medium sized grow rooms.
Should the intake and exhaust be the same rating cfm or should i intake.
The size of the intake hole doesn t matter as much in this system so if your intake hole is the same size as your out take hole then you might want to consider using an active intake.
