How to Slow Down Ceiling Fan Speed?

The ceiling fans have to rotate at just the right speed for them to ensure the comfort of the interior room occupants. Unfortunately, some have been noted to spin too fast and hence imperil the comfort of those who stay in the same room as them.

As a way forward, you need to know how to slow down ceiling fan speed appropriately. We draft and dedicate the entire length of this article do just that. In our explanations that follow, we shall also offer answers to the following questions:

  • How to slow down the ceiling fan speed
  • How do I slow down my 3-speed ceiling fan?
  • How do you slow down a 12v fan?

#1: How to Slow Down the Ceiling Fan Speed?

There are four main ways via which you may achieve this end. We highlight and explain them in detail below:

Use regulator

This is by the far the most common and ready approach. In this sense, you simply get to the regulator and turn it down. That way, it reduces the pace at which the ceiling fan rotates. This approach is mainly used under normal circumstances i.e. when there is nothing really wrong with the fan per se.

Add a resistor

Sometimes, it could be that the supply of the current in the system is over and above the required threshold. In this case, it makes sense for you to add a resistor. The resistor improves the overall impedance of the system and at the same time reduces the flow of the current. That ultimately reduces the speed of flow.

Change the capacitor

This issue of excessively high speed may also often arise when the capacitor is faulty. If and when the capacitor is faulty, its ability to mitigate the overflow of the electrical charge is severely compromised. As a plausible way forward, you may have to change the capacitor to make it work better.

Increase the wire resistance

As a permanent solution especially if the faster rotation of the fan is not able to be mitigated using the normal channels, you may have to increase the resistance of the wire. You may do this by attaching an inductor in series with the rest of the electrical circuit of the fan.

#2: How Do I Slow Down My 3-speed Ceiling Fan?

The typical 3-speed ceiling fan comprises a speed regulator that is used to vary the pace at which the fan rotates. You have to make use of this regulator. Get hold of it and use it to reduce the speed from level 3 to level 2 or 1. That should work just fine.

In the event though that the speed of the fan is still persistently high even after engaging the speed regulator, you may have to adopt the other interventions we have highlighted and explained above. If the problem still persists beyond that, you may have to seek expert intervention.

Frequently Asked Questions (FAQs)

Let us now provide an answer to one question that is persistently asked about this subject:

Q. How do you slow down a 12v fan?

A. Like any other ceiling fan, this too comprises a speed regulator. Your first and foremost step should be to engage this regulator. Simply get hold of it and turn it downwards to the speed level that is desirable for you. If the problem persists, you may have to try this other alternative.

Get hold of the resistors that bear the ratings of 1.8 ohms and 2 watts respectively. Attach these in parallel with each other and in series with the ceiling fan. Preferably, you should put them in the air stream of your fan to help keep them cool. In this way, they shall help to reduce the load and subsequently bring your fan to a slow down.


We now trust that you know how to slow down ceiling fan speed. As you may draw from the foregoing explanations, this is a task that has to be done with some utmost due diligence if the hope of getting it right is to be realized. Go for it now! All the best in your endeavors also. Please share the insight abroad.