Blades with higher surface area can.
Can you replace ceiling fan blades with smaller ones.
You can contact your fan s manufacturer for replacement.
Blades 2 or 3 inches longer could be bought at lowes etc.
Just buy a set of 42 or so replacement blades and try it.
With the smaller blades the fan will probably run faster at the low speed and may be noisier.
Measure the length of the ceiling fan blade you just removed.
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Hold a machete up to the fan blades a chain saw will substitute.
You might also consider new arms with the new blades.
The blades are easily changed but the extra load on the fan motor could make it heat up if the blades are too long.
But keep a eye on the fan motor temperature by feeling it if used for long periods.
However many current fans are designed specifically to be interchangeable with different size blades if your fan is one of those switching it out would be easy.
If your fan blade is not damaged you can re attach it so the fan can be used while you shop for the right size fan blade replacement.
This of course is not true if the blades are smaller sized with higher blade counts.
Make sure you keep the screws in a safe place.
Typically the more blade the fan has the more surface area there will be.
If you can find blades that fit your fan switching to a smaller size blade would be fine.
This will give you the proper size for replacing ceiling fan blades.
You may want to at least consider 48 s.
Universal replacement blades are available at home improvement and lighting stores.
Replace ceiling fan blades with the same size blades.
Call the manufacturer of your ceiling fan and ask them.
Trim to desired length.
You can buy replacement blades as a set from home depot lowes etc.