5/1/2023 0 Comments Fan and more info![]() You can always count on the most powerful motors to provide excellent ceiling fan airflow, comfort, and durability. The motor is the most important feature on your fan, provided that the other four factors are working in alignment. If you have vaulted ceilings you’ll want to add a longer downrod so the blades are about 8 to 9 feet from the floor. Unless it is a hugger ceiling fan that is designed to be closer to the ceiling, if your typical fan is too close or too far from the ceiling it won’t move as much air. Your ceiling fan’s blades need to be at about 10 to 12 inches from the ceiling to produce the best airflow. Ideally, to achieve the best ceiling fan airflow, you want to buy a fan that has six separate speed settings ranging from low to very high. The faster the blades spin the more air they move, but only if the blades have the right pitch. RPM refers to how fast the blades spin at a specific speed. Speak with a ceiling fan expert to ensure the motor and blades will work together properly. Larger and wider blades may not be able to move as much air, but blades that are too small and narrow can have a similar effect. Bigger does not necessarily mean better even if the fan has a large motor. If they work against each other, your fan will have to work much harder to move less air, resulting in less comfort and a motor that burns out faster-which is why quality ceiling fan manufacturers always design and test to make sure motors and blades work together well.īlades cannot be too long or too wide if you want to maximize ceiling fan airflow. On the other hand, the fan with the steeper blade pitch may wear out much faster if the motor isn’t powerful enough to move larger amounts of air for longer periods of time.īottom line: The pitch of the blades and the power of the motor need to complement one another. Even at a high speed, the fan with the flatter pitch will move less air and may wobble or make noise due to being overworked. A steeper blade pitch, such as 14 to 15 degrees, will require a more powerful motor to achieve the same speed. Fan blades with a relatively flat pitch-between 10 and 12 degrees-do not require a very large motor to reach a high speed. This applies to ceiling fan airflow as well. If you don’t increase your force, you can work harder without being able to move faster or cover as much distance. ![]() ![]() Then, as you tilt the blades at a steeper angle, it becomes progressively harder to row the boat. When the blades are flat to the surface of the water it doesn’t take much force to move them. Picture a ceiling fan’s blades as the oars of a rowboat. Understanding the Five Factors of Ceiling Fan Airflowīlade pitch refers to the angle of the blades as they move through the air. By paying attention to the ways in which these factors affect one another, you can buy a ceiling fan that fits your needs and has long-lasting durability without noise or wobble. Ceiling fan airflow and efficiency are often overlooked, but the amount of air your fan moves each minute impacts the level of performance.įive factors work together to determine the airflow and efficiency of a ceiling fan: blade pitch, blade shape and size, RPM, height from ceiling, and motor size. The motor determines the power, performance, and longevity of a fan. You want the right size fan that serves the purpose of each room and perfectly matches the décor, but your first priority should be the motor. ![]() There are many factors to consider when you’re shopping for a ceiling fan.
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