Garage ventilation is important but is sadly often neglected by homeowners. Don’t make this dangerous mistake. A typical garage is not only used as a parking space but also as a storage room for power tools, chemicals, and things people no longer use but don't want to throw away. And without proper ventilation, it can quickly become hazardous to the health and the environment. It can build up excessive humidity and become a breeding ground for mold.
The good news is that there are simple ways to prevent poor garage ventilation. One of them is installing an exhaust fan. If you want to buy the best garage exhaust fan, then you need to consider these three factors. Keep them in mind while you are browsing and evaluating your options!
CFM (Cubic Feet per Minute)
The size of exhaust fans is determined by CFM
or cubic feet per minute, which refers to the amount of air the fan is capable of
moving per minute. The higher the CFM rating of a fan, the more airflow it
produces and the better it is at cooling down your garage.
So how many CFMs do you need? It’s not as simple as choosing fan with the highest CFM rating. Instead you need to consider the size of your garage and how you use that space. If you have a 1000 sq. ft garage, then the right fan size is 800 CFM. But if you are using it as a workshop, then the recommended size is 4000 CFM per 1000 sq. ft.
Propeller vs. centrifugal
Propeller exhaust fans draw air directly through the fan. They are recommended for lower static pressure. Meanwhile, centrifugal fans remove air from the garage by drawing it into the middle of the fan and expelling it at a 90-degree angle. They work better at higher static pressure levels.
Materials used
If you want your exhaust fan to last long, it
should be made with metal construction. Metal is the best material because it
is durable and heavy duty. Metal blades are also better at circulating air than
other materials such as plastic.
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