Electricity Saving Tips For Homes And Offices

Choose the right Regulator for Ceiling Fan for Electricity Saving

By on February 24, 2015


Ceiling fan is one of the most common appliances in Indian household. Being a tropical country, India relies a lot on ceiling fan and there is a ceiling fan in every room in the country. When we go and buy a ceiling fan, we also get a regulator along with it. Regulators are of different types, and different ceiling fans come with different types of regulators. Most people typically do not care about the regulator, but it is very important to know that even the regulator can waste electricity and can increase your electricity bills.

Fan Regulator

Good news is that you can always refuse to take the supplied regulator and can get equivalent discount, and replace it with an efficient one. But for that you need to know about the types of regulators.

How does a Fan Work?

A ceiling fan has an electric motor and metallic blades connected to it. When we switch on a fan, the voltage difference causes the current to pass through the motor and the fan rotates. The regulator controls the voltage that makes the current flow less or more. Lower the voltage lower the speed of the fan. So a regulator controls the voltage levels for the fan.

Types of Regulators

There are 3 types of regulators available in the market today: Electric Regulator, Step Type Electronic Regulator and Movable Electronic Regulator. All 3 have different ways of controlling the fan speed and thus the efficiency with which they manage electricity consumption differs. From price perspective Electric regulator is the cheapest, but of all three it is the most inefficient regulator. We are in process of compiling information related to price impact and will update that as well very soon. But first let’s look at all the three types:

Electric Regulator

Traditional regulators that were there in our homes in the past were mostly of this type. These regulators have resistors to decrease the voltage for the ceiling fan. The resistor heats up while decreasing the voltage and thus the electricity saved by reducing the fan speed is lost as heat in the regulator. The internal heat also damages the regulator in long run. These regulators are also bulky in size. They come for as low as Rs 40 a piece.ElectricRegulator

Electronic Regulator

Electronic regulators are the latest type of regulators available in the market. These are much smaller in size than the electric regulators. Electronic regulators use capacitors instead of resistors to decrease the voltage. Capacitors regulate the fan speed by regulating the waveform of power supply. These do not get heated up and thus save electricity when the fan is running at lower speeds (at higher speeds electricity consumption of fan is the same with both regulators).  These regulators save up to 40% at speed 1 and about 30% at speed 2 compared to electric regulators. There are 2 types of electronic regulators available:

    1. Movable Type: These regulators move smoothly and there are no stepped number (1 to 5) provided on theem. These regulators are better than electric ones but still can cause some distortion to the movement of the motor that causes it to heat up. This type typically costs Rs 100 apiece.MovableType
    2. Step Type: These regulators have numbered speed steps (typically 1 to 5). These regulators provide lower distortion to the movement of the motor and thus less heating. These are the most efficient type of regulator. This type typically costs Rs 200 apiece.ceiling_fan_regulator

If you run fans at low speeds in your house then a step type fan regulator is the best electricity saving option for you. Savings in electricity bills can recover the extra price you pay for it.Infographic11.png.png

Source of Information: Core Center


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There Are 50 Comments

  1. Vinayakumar says:

    I am using capacitive type regulator.1.1 MFD,2.2MFD 3.3MFD capacitance are using.But variation in speed is too high.All five regulators have same problem.Can I increase the speed by increasing the capacity of the capacitor.

  2. Vinayakumar says:

    I have five fans and all are working with step type electronic regulator(GM).The problem is while it is working in speed 1,2,3,4 the speed is very slow.But in speed 5 it is ok.How can I increase the speed in1,2,3,4.

    • Bijli Bachao Team says:

      Hi Vinay,

      It seems your regulator is not working properly. You may have to replace it.

  3. Aashana says:

    I m sufferin from the same prob as ayesha n hence want to slow down the speed of the fan at step 1 itself.. It wud be really helpful if u hv a suggestion to our prob…

    • Abhishek Jain says:

      Hi Aashana,

      You will have to get the regulator changed for that. Speed at 1 is fast only when the regulator is not working properly.

  4. Salmander says:

    The older model regulators fail less and are more reliable. We changed nearly half a dozen electronic regulators in the past 4 or 5 years. None of them gave a consistent fan speed either. The fan either ran too fast or too slow. So much for ‘modern technology’. Every year, the quality of ‘new technologies’ seems to be so terrible it feels like it can’t get any worse – however, manufacturers consistently disprove our contention by making their newer models even worse.

    We recently switched back to an old model regulator for two of our fans. The speeds are more consistent now. We will (most likely) change the other electronic regulators once they fail.

  5. Ayeesha says:

    Can the minimum speed of the fan be reduced?I mean can changing a regulator help to start the fan at a slower pace than what it runs now?the starting speed itself is too much n we now have a small baby n can’t run a fan at such speed..pls advise.

    • Abhishek Jain says:

      HI Ayeesha,

      The speed of the fan depends on voltage that is supplied to the fan. Regulators change the voltage. So certainly speed of the fan can be reduced. Typically it is quite low at 1st step of the regulator. Is it not changing when you move the regulator?

      • Ayeesha says:

        Thank you for the response…I’ll get the regulator changed.
        Typically it is quite slow in the beginning right?but ours is fast at the start itself n it only gets speedier…. Hope it slows down.

  6. Nand kishore sharma says:

    Please tell us for 300 watt Stepped type Fan regulator

  7. malik mudassar says:

    how we install a step type regulator

  8. Rajeev says:

    I have stepped electronic regulators for ceiling fans in my house. My problem is that the speed of the fan becomes erratic after few months of installing a new regulator. I have to change regulator every 6 months to 2 years. Can’t we make good, sturdy regulators in India. I have tried brands like Anchor & Straco.

    • Abhishek Jain says:

      Its a common problem with regulators. It’s not a problem of Fans. Other option is to switch to Supefan (www.superfan.in) which does not need regulator.

      • Rajeev says:

        Thanks. At last I have an authentic answer.

        • suhan says:

          Hi rajeev . .we have the same problem . . had to change all the regs in my house twice! . . .and they still keep failing within 6 months . . .i’ve gone to a dozen shops, and although all of them suggested that it they cant be repaired and that i have to buy a new one, none of them actually could give me a convincing reason as to why they fail . . .

          did you come up with a solution?

          • rajeev says:

            Hi! Suhan. I have no solution so far. I feel the component quality is to blame. Sellers get high commissions on such product and seem to be interested in handing you a new one. But that is how our economy works I guess. I would lay the blame on manufacturers rather than the sellers. An interesting information on this forum was regarding “Superfan” which does not require a regulator and is operated by a remote.It is being made only in one facility, probably in Karnatka. They accept order in bulk only. This discouraged me, as issues of warranty and couriering the unit to the factory would have been too much of a bother in case of defect.
            Best Wishes

        • Suhan says:

          Hi Rajeev

          (There’s no reply tab below your response, so typing here)

          Thanks for your insight. Yup, that’s how these guys make a killing. But I’m still experimenting. I’m hunting for capacitors that are attached to the back of the circuit board of the regulator. Just a hunch, not sure that’s the issue.

          I’m just baffled by what part exactly is spoiled “beyond repair” – I want someone to point out what the spoiled part is, rather than just give me universal (albeit blind) advice of just buying a new one. The d*mn thing can fit into a kid’s hand, yet noone knows why it’s not working as intended.

          You’re right though. Only the manufacturer (probably Chinese) is to blame – they know the problem.

          Will let you know if the capacitor change works.


          • Rajeev says:

            Hi! Suhan, I agree with you. I am sure that a knowledgeable person should be able to fix the problem either in the circuitry or the capacitor.

        • Susila says:

          Dear Sir,

          Thank you for your interest in SUPERFAN.

          SUPERFAN is designed and manufactured by Versa Drives Private Limited and the factory is located at Coimbatore, Tamilnadu. You can even purchase one number of Superfan and get it delivered at your doorsteps with 5 years of replacement warranty by ordering it through our online website (https://www.superfan.in/superstore/). 100% shipping will be free.

          Regarding the Service issues, you can call our toll free no 1800 425 78737 and +91 94890 78737. Our service person will call and assist you in a better way and the replacement of new motor will be provided directly from the factory in case of any defect.

          Please let us know if you have any queries.

          Thank you,
          From SUPERFAN
          Versa Drives Private Limited,

  9. BRIJESH PATEL says:

    if fan regulater slow point, then what will be current flow and what will be electric charge?

    • Abhishek Jain says:

      Hello Mr Patel,

      This page should help you get your answer: https://www.bijlibachao.com/fans/review-superfan-bee-5-star-regular-fan.html

  10. Harmahendra Hura says:

    It is wrong to say that electronic regulator uses capacitor to regulate speed. Speed is regulated by triacs which cuts waveform as per setting of variable resistance. These regulators distort waveform of current causing humming sound in fan at lower speeds. Best regulators were auto transformer type which are not being made now a days being bulky and expensive. Auto transformer do not consume electric and do not distort wave form power saving is real at lower speeds.

  11. Rauf says:

    Hi Abhishek,
    In my new flat, builder has installed 6 legrand electronic stepped regulators. All of them are having same issue like for first speed, fans runs fine but on 2nd speed fan changes its speed drastically which gives feel as speed of 4. And this is happening in all flats of the building.
    what can be the problem?

    • Abhishek Jain says:


      I would try with the regulator first. The speed of fan varies as the voltage varies and the job of regulator is to change the voltage. If the regulator is not able to change the voltage effectively, speeds will not be consistent. Try changing one of the regulators with a new one.

  12. Adisesha says:

    What type of problem is encountered in ceiling fan when electronic regulator

    • Abhishek Jain says:

      At times electronic regulators are not able to vary voltages properly and as a result of it the fan runs at similar RPM at multiple speed levels. For eg it may run at fastest speed at setting of 3,4,5 and may slow down only at 2 or 1. Or it may slow down from 5 to 4 to 3, but may not slow down further at 2 and 1.

  13. anil chodankar says:

    at present i have small regulator which gives to much of noise, when i put fan on slow. I have inquired in the market for old rugulator but it is not available. wiil u please guide

  14. rahul gadkari says:

    Hello Abhishek,
    Two ceiling fans in my home recently have same problem. They run at slow speed from 1 to 4 but very fast at 5. Both have step type electronic regulators. what might be the problem?


  15. raghu says:

    why do regulators of fan gets heated?

    • Abhishek Jain says:

      If it is a resistor based regulator, then when current passes through a resistor, heat gets generated. It’s like when tyre runs on road, it gets heated.


  16. K.Vittal Rao says:

    Can a ceiling fan with electronic regulator be operated by two 2way switches ?

  17. Reddy.SM says:

    Mr:Jain Thanks a lot Sir.
    I Shall go through it thanks once again.:)

  18. Reddy.SM says:

    Sir Am having electronic regu. lator( not step type). Here my problem is. When I turned on the regulator in just minimum speed, later (aprox. 04:00 he’s) on all of sudden the fans speed will be very high.(for ex:( When I turned fan on by 11:00. pm around 03:30. Morning its runs in more speed.
    Thank you sir.

    • Abhishek Jain says:

      Hello Mr Reddy,

      Whatever is happening in your regulator is quite strange. It seems something is wrong in the regulator. Would suggest you to change it to a step type regulator.


  19. soumya says:

    can it b possible to design digital regulator for ceiling fan? is it advantageous one?

    • Abhishek Jain says:

      It certainly is possible. But ultimately won’t it will have electronic circuitry? Can’t see any advantage over regular electronic regulator.


  20. sravan says:

    can we replace an old crompton greaves regulator with a new one? are regulators available in market, coz i’ve learnt that new fan never comes with regulators!

    • Abhishek Jain says:

      You can certainly replace your old regulator with a new one. They are available in market. All brands like Anchor, Roma, etc make them. You can try them out.


  21. jo says:

    how about connecting a fan regulator to a 100 or 60 watts bulb to make it dimmer and to save current

    • Abhishek Jain says:

      Well I would suggest using a CFL or LED instead of 100 or 60 watts bulb. That will save you far more electricity than using a regulator as a dimmer.


  22. carrie says:

    Interesting post. the discussion part is really informative. Electrical Fan heaters

  23. Vikrant Latkar says:

    Can I add another smooth regulator to the existing regular regulator so that I can control the fan speed more accurately?

  24. shashikant yadav says:

    how to join the regulator in
    Ceiling fan

    • avinash says:

      Fan regulator is connected in series to the fan. You have to connect the live or phase wire from the board-switch-end with one wire of regulator and the other wire in the regulator to the ceiling fan.The neutral wire is directly connected the other terminal of ceiling fan.