RPM: The RPM stands for (Rotations per Minute) and refers to the number of times the fans make a full rotation every minute.īlade Size: The bigger the blade size the more airflow. There are basically three factors that affect the CFM. The CFM can be described as the sum total of all the other elements of the fan Factors Affecting CFM It does not matter how energy-efficient your ceiling fan is when it is not cooling the temperature in the room. While energy efficiency remains a constant focus of modern consumers, knowing the CFM of a fan is also equally important if not more. (Keep in mind that this measurement of air flow is crucial when you buying air conditioning units and heating systems too.) Importance of CFM Among many other factors (RPM, Blade Size & Pitch, Motor Type etc.) that decide how good or bad a ceiling fan is, CFM is the most important one. It shows you the amount of air that your ceiling fan can move in a minute when running at maximum speed. What Is CFM?ĬFM is short for cubic feet per minute.
When shopping online you may notice that a factor usually listed in the product description is CFM. However, as simple as they seem, there are many factors to consider when buying ceiling fans. It is always advisable to let a ceiling fan do the cooling until you reach a point where air conditioning seems to be the only solution. Ceiling fans are the most economical solution when it comes to cooling your house during a scorching summer. Partially replacing your air conditioner cooling with a ceiling fan can significantly lower your energy bills every month.
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