Selecting Ceiling Fan Blade Type - Things to Know - Rovert Lighting (2024)

Selecting the right ceiling fan for your space can feel like a daunting task. There is so much to consider. What size fan? Does it need a light? Do I need a remote? What kind of motor? What is the most energy efficient?

Along with these considerations, it is also important to think about the type of ceiling fan blade that will be most appropriate in your space. Obviously, things like ceiling fan blade size and the number of blades play a role in your fan’s performance, however, the material your fan blades are made of also plays an important part.

For instance, the weight of a ceiling fan blade can affect the fan’s ability to move air. A heavier blade will generally move more air than a lighter blade. Noise can also be a factor in making the fan blade choice that’s right for you. Fans make noise as they spin and cut through the surrounding air. Fan blades that are made of metal will generally produce more noise than fan blades made of say, timber or plastic.

Consider the following types of ceiling fan blade materials in selecting the fan blades that are right for your space.

Timber Ceiling Fan Blades

Timber is one of the most common blade materials due to it’s rigidity and long life span. Timber blades also produce minimal noise as they move through the air, so are often the most common choice for bedrooms. Their almost silent operation, however, is offset by a reduction in airflow. To compensate for this, a lot of manufacturers now infuse timber blades with plastic, having the effect of improved airflow without compromising the quiet operation. The infusion with plastic has the added advantage of helping to prevent the timber warping or being adversely affected by moisture in the air.

Selecting Ceiling Fan Blade Type - Things to Know - Rovert Lighting (1)

Metal Ceiling Fan Blades

Metal blade ceiling fans are among the most durable. They cut through the air with little resistance, providing strong airflow. This makes them ideal for use in larger areas where you may have higher than normal ceiling heights, however, it also means they can be noisier, so typically not recommended for bedroom areas.

Ceiling fans with metal blades tend to have more weight, so typically require a stronger motor to push the blades to ideal capacity. One of the downsides to metal fan blades is that they typically do not wear well in outdoor, coastal or areas with too much moisture in the air as they will eventually rust. You might still consider metal blades for these areas, opting for something like stainless steel.

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Plastic Ceiling Fan Blades

A lot of manufacturers are using an ABS polymer for construction of their plastic ceiling fan blades. Plastic fan blades have a lot of advantages. For manufacturers, they can be moulded into any shape during construction, so you are provided with a wide range of design options to choose from. They are lightweight, making installation constraints fewer, and motor capacity needs lower. They are also very easy to clean and, unlike timber and metal blades, will less easily succumb to adverse climate conditions.

One final tip if you are considering an upgrade to your existing fans – don’t assume that any ceiling fan blade type can be installed on any fan. There are many manufacturers that will supply blades only if your existing fan is looking a bit tired, but make sure you are changing these out for blades that are designed and factory balanced to fit your existing model. Fan motors are designed to spin blades at a particular speed. Installing heavier or lighter blades can affect the performance of your fan’s operation but also the life of it’s motor if it is overworked to compensate for inappropriate blades.

If you would like a little more information on ceiling fans and the most suitable blade type, chat to one of the ceiling fan experts at Rovert Lighting & Electrical. We can help you sort through the ceiling fan jargon!

Selecting Ceiling Fan Blade Type - Things to Know - Rovert Lighting (2024)

FAQs

What is the best type of blade for a ceiling fan? ›

Metal blade ceiling fans are among the most durable. They cut through the air with little resistance, providing strong airflow. This makes them ideal for use in larger areas where you may have higher than normal ceiling heights, however, it also means they can be noisier, so typically not recommended for bedroom areas.

What type of ceiling fan blades move the most air? ›

A steeper pitch means the blades can push more air, leading to better airflow. For example, a fan with a blade pitch of 15 degrees will generally move more air than one with a 10-degree pitch. Imagine a paddle boat - a steeper paddle angle moves more water, propelling the boat faster.

What is the most efficient ceiling fan blade design? ›

A 14 degree blade pitch and up is generally considered ideal for moving air efficiently. Generally speaking, the larger the room the steeper the blade pitch you'll need to efficiently move air in the space.

What is the quietest fan blade design? ›

Aerodynamic blade design: Laminar airflow is quietest. Blades that change their pitch (twist) and chord (width) between hub and tip promote laminar flow by managing the relative vector velocities of the incoming airflow and advancing blade.

What is a good airflow efficiency for a ceiling fan? ›

Airflow efficiency is the CFM divided by the watts/amount of energy used to run the fan at its highest speed. A CFM of 75 is the minimum number to make a fan efficient. You could have a fan that moves a lot of air (with a high CFM) but does so at a high wattage, making the fan inefficient.

Is a 3 or 4 blade ceiling fan better for bedroom? ›

The three-blade fan has fewer blades, which means less noise and lower energy consumption. It also provides less air movement, so it might be best for rooms that aren't very large. Four-blades provide more airflow, but they're louder and use more power. They're ideal in larger spaces.

Is a 52 inch fan too big for a 12x12 room? ›

What size ceiling fan do I need for a 12x12 room? A 12x12 room would have an area of 144 square feet, which means you'll need a large ceiling fan between 36 and 50 inches. For more help, see "Choose the Right Ceiling Fan for Your Space" above.

How do I know if my light can support a ceiling fan? ›

But what you really have to be careful of is to make sure the electrical box that the light fixture is attached to will support the extra weight of the ceiling fan. So normally you have to do a little extra support, by using either a two-by-four or two-by-six.

What size ceiling fan for a 12x12 room? ›

42" - 48"

Are 5 blades better than 3 on a ceiling fan? ›

Do ceiling fans with more blades generate more airflow? More importantly so, does it really matter for the average buyers? The answer is, for the most part, no. With the current innovation in fan design, you are unlikely to notice any major difference in performance between fans with fewer or more blades.

Is 3 or 5 blade fan better? ›

When it comes to design and aesthetic look, the 3 bladed ceiling fan is more pleasing than the 5 bladed. However, the 5 blades can generate more wind because the blade to blades distance is nearer, thus the wind it produces is more consistent.

Are 5 blades better than 4 on a ceiling fan? ›

As per the law of physics, additional blades increase the drag on a ceiling fan's motor and slow it down. However, the number of blades has little or no impact on the amount of air a ceiling fan can move. It's more about the aesthetics than the airflow.

Do more ceiling fan blades make a difference? ›

Scientifically speaking, as the number of blades go up, the ceiling fan will become quieter and circulate less air. This is due to the fact that additional blades increase the drag on the ceiling fan motor and slow it down.

Is a long blade ceiling fan better than a short blade? ›

The wider or longer the fan blade, the more airflow it's able to generate. However, it also creates drag or resistance. As the blade slices through the air, an opposite force called drag slows down this motion. This is where energy consumption lies in a ceiling fan.

Is a short blade or long blade ceiling fan better? ›

Which is better, a ceiling fan with small blades or with large blades? - Quora. The size of the room is a factor. In a larger room, small blades will not circulate the air as much while huge blades will require more energy.

Does a fan with more blades work better? ›

Generally, the more blades the ceiling fan has, the quieter it is and circulates less air. Ceiling fan with more blades can increase the drag on the motor and affects its movement. It's because of this why industrial fans have two or three blades only.

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