| Systems that provide proper ventilation for indoor | | | | exchange is greater during the summer. |
| gardens are key to indoor growing success. Without | | | | A solitary single-speed fan will usually not be |
| an abundant supply of fresh air such as your plants | | | | adequate for most indoor growing needs. You can |
| would receive in a natural, outdoor environment, your | | | | determine this by multiplying the floor area by the |
| efforts at indoor gardening will soon end in an | | | | height of the room; therefore, an indoor gardening |
| unpleasant, mini-ecological disaster. In this article, we | | | | room measuring 10’x 20’ in floor area times |
| will discuss some of the reasons why grow room | | | | 10’ in height will need enough fan and ventilation |
| ventilation systems are needed, as well as some of | | | | capacity to completely refresh 2,000 cubic feet of air |
| the different indoor gardening supplies that will meet | | | | at least once per minute during the summer, and |
| your needs. | | | | once every three minutes during the winter. |
| Grow Room Ventilation Systems – Overview | | | | Fan Options |
| As you know, in the natural world, air is virtually | | | | “Squirrel fans” and “Squirrel cage |
| always in motion – even on days when the air is | | | | blowers” are technically known as shaded pole |
| “still;” there is almost always a slight breeze | | | | blowers. These are used in many applications in which |
| due to minor temperature fluctuations over various | | | | heat build-up is a potential problem, such as HVAC |
| terrain. When it comes to indoor growing, such grow | | | | systems and automotive climate control as well as |
| room ventilation systems are necessary in order to | | | | high-end computers. They are constructed of two |
| replicated this natural environmental condition. These | | | | large rings, which are connected by as many as fifty |
| consists of mechanical devices, such as “squirrel | | | | diagonal blades; the entire assembly spins on its |
| fans” or other air-moving devices, which | | | | radius, drawing air in axially and exiting through a side |
| circulates the air from one side of the indoor growing | | | | opening. These are some of the most efficient fans |
| area to the other. | | | | available for grow room ventilation systems. |
| How Much is Needed? | | | | Several companies manufacture what are known as |
| The amount of ventilation for indoor gardens that | | | | “whisper fans,” which are particularly |
| you will need is dependent on several factors, | | | | quiet-running. They tend to cost a bit extra, but if |
| including the size of the space in terms of cubic feet, | | | | noise is a concern for you, these may provide the |
| how much of the space is used for indoor gardening, | | | | best ventilation for indoor gardens. |
| and the time of year. Normally, the rate of air | | | | |