Published Apr 29, 2026 · 4 Min Read

Choosing between an AC and a ceiling fan comes down to comfort versus cost — and understanding the electricity difference between the two helps Indian households manage both. An AC provides complete temperature control while a ceiling fan offers basic air circulation at a fraction of the running cost. Knowing when and how to use each appliance can meaningfully reduce your monthly electricity bill without sacrificing comfort.
 

Buying a new AC is now budget friendly. Simply browse the selection of air conditioners on Bajaj Mall. Alternatively, visit any of Bajaj Finserv’s 1.5 lakh partner stores in 4,000 cities in India. Choose the product that you like and get Easy EMI and zero down payment offers exclusively with Bajaj Finserv’s financing options. Check your loan eligibility and convert the cost of your new AC into Easy EMIs.

AC vs ceiling fan: Power consumption

The electricity consumption gap between an AC and a ceiling fan is significant. The table below shows typical wattage and unit consumption figures for both appliances across common usage scenarios.
 

ApplianceTypical wattageUnits per hourUnits per day (8 hrs)Annual units (180 days)
Ceiling fan (standard)70 – 75 W0.07 – 0.0750.56 – 0.60101 – 108
BLDC ceiling fan (energy saving)28 – 35 W0.028 – 0.0350.22 – 0.2840 – 50
1.5-ton 3 Star inverter AC1,200 – 1,500 W1.2 – 1.59.6 – 12.01,728 – 2,160
1.5-ton 5 Star inverter AC900 – 1,100 W0.9 – 1.17.2 – 8.81,296 – 1,584

AC vs ceiling fan: Monthly electricity cost comparison

At standard Indian electricity tariff rates, the monthly cost difference between running a ceiling fan and an AC is substantial. The table below illustrates the comparison at Rs. 7 per unit.
 

ApplianceDaily usageUnits per monthMonthly cost (at Rs. 7/unit)
Standard ceiling fan (75 W)12 hours27 unitsRs. 189
BLDC ceiling fan (35 W)12 hours12.6 unitsRs. 88
1.5-ton 3 Star inverter AC8 hours288 – 360 unitsRs. 2,016 – Rs. 2,520
1.5-ton 5 Star inverter AC8 hours216 – 264 unitsRs. 1,512 – Rs. 1,848
AC + ceiling fan (combined)8 hrs AC + 12 hrs fan291 – 367 unitsRs. 2,037 – Rs. 2,569

AC vs ceiling fan: Cooling efficiency and performance differences

The performance gap between a ceiling fan and an AC is as significant as the cost gap — each appliance serves a fundamentally different cooling function. Here is how they differ in real-world Indian conditions.

  • An AC reduces actual air temperature — it removes heat from the room through a refrigerant cycle and maintains the set temperature regardless of outdoor conditions, humidity, or room occupancy.
  • A ceiling fan only creates a wind-chill effect — it does not lower room temperature at all; it circulates existing air across the skin, making the occupant feel up to 3 degree Celsius to 4 degree Celsius cooler without any actual temperature reduction.
  • ACs dehumidify simultaneously — in humid Indian cities during monsoon, an AC removes moisture from the air alongside cooling, making the room feel significantly more comfortable at the same temperature than a fan can achieve.
  • Ceiling fans remain effective only up to approximately 36 degree Celsius — above this temperature, the circulated air itself is too warm to provide meaningful comfort relief, making a fan an inadequate solution during peak Indian summer heat.
  • ACs provide consistent comfort regardless of outdoor conditions — a ceiling fan's effectiveness depends entirely on ambient temperature and humidity, while an AC delivers the same comfort level whether it is 28 degree Celsius or 48 degree Celsius outside.

AC vs ceiling fan: When to use

Neither an AC nor a ceiling fan is always the right choice — the ideal appliance depends on the time of day, season, and outdoor temperature. The table below guides the decision for Indian conditions.
 

ConditionRecommended applianceReason
Outdoor temperature below 32 degree CelsiusCeiling fanAmbient air is cool enough for wind-chill to provide adequate comfort at minimal cost
Outdoor temperature 32 – 38 degree CelsiusFan + open windows at nightEvening and morning air is manageable; AC is unnecessary if cross-ventilation is possible
Outdoor temperature above 38 degree CelsiusACFan-circulated air is too warm to provide comfort relief at this temperature
High humidity (monsoon) regardless of temperatureAC in Dry modeRemoving humidity restores comfort at lower electricity cost than full Cool mode
Sleeping in mild weatherCeiling fan + timerA fan at low speed is sufficient in mild conditions and costs less than 10% of AC running cost
Sleeping in peak summerAC with Sleep mode + ceiling fanCombining both allows the AC thermostat to be raised by 2 degree Celsius, reducing electricity consumption

Tips to reduce electricity bills while using an AC

Running an AC efficiently can cut monthly electricity consumption by 20% to 40% without any reduction in comfort. Here are the most effective daily habits to adopt.

  • Set the thermostat to 24 degree Celsius — every degree below 24 degree Celsius increases electricity consumption by approximately 6%; 24 degree Celsius delivers comfortable cooling at significantly lower compressor load.
  • Run the ceiling fan alongside the AC — this allows the AC thermostat to be raised by 2 degree Celsius without any perceptible reduction in comfort, reducing electricity consumption by approximately 10% to 12% daily.
  • Use Sleep mode overnight — Sleep mode raises the temperature by 0.5 degree Celsius to 1 degree Celsius per hour after activation, reducing unnecessary compressor runtime during the cooler early morning hours.
  • Clean the air filter every two weeks — a clogged filter reduces airflow efficiency by up to 20%, forcing the compressor to run longer to achieve the same set temperature, directly increasing electricity consumption.
  • Set a timer to switch off the AC after two to three hours of sleep — room temperature drops naturally after midnight; the timer prevents the AC from running unnecessarily through the coolest part of the night.
     

Thinking of buying a new AC?

Before you do that, explore the latest offers from Bajaj Finserv. You may find a great deal on a model that matches your needs.

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Bajaj Finserv’s Maha Bachat Savings Calculator helps you unlock maximum savings every time you shop at partner stores. It brings together all available brand, dealer, and scheme offers—so you can see your total savings instantly and shop smarter with Easy EMIs.
 

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Frequently asked questions

Can I buy a new AC on EMIs?

Yes, you can easily purchase a new AC with Bajaj Finserv's Easy EMI options. Whether you already have the Insta EMI Card or are new to it, here is how you can get started:
 

If you have the Bajaj Finserv Insta EMI Card:

  • Explore air conditioners on Bajaj Mall: Choose from top brands offering models with fast cooling, energy efficiency, and advanced climate control.
  • Visit a partner store: Check out the latest ACs in person at any of 1.5 lakh partner stores across 4,000 cities.
  • Use your Insta EMI Card at checkout: Convert the total cost into Easy EMIs that fit your monthly budget.
  • Zero down payment on select models: Bring home your AC without paying anything upfront.
     

If you do not have an Insta EMI Card:

Check your Insta EMI Card eligibility online using your mobile number and OTP. If eligible, you can apply instantly and start shopping for your preferred air conditioner easily and affordably.

Which consumes more electricity — AC or ceiling fan?

An AC consumes significantly more electricity than a ceiling fan. A standard ceiling fan uses 70 to 75 W per hour — approximately 27 units per month at 12 hours daily use. A 1.5-ton 5 Star inverter AC uses 900 to 1,100 W per hour — approximately 216 to 264 units per month at 8 hours daily. An AC consumes roughly 8 to 10 times more electricity than a standard ceiling fan under typical Indian usage conditions.

Which AC mode is the most energy efficient?

Eco mode and Sleep mode are the most energy-efficient AC operating modes. Eco mode limits the compressor's maximum power draw, reducing electricity consumption during extended use. Sleep mode gradually raises the set temperature overnight, reducing compressor runtime significantly. Setting the thermostat to 24 degree Celsius in any mode — rather than 18 degree Celsius or 20 degree Celsius — also produces a substantial reduction in electricity consumption across a full month of daily use.

Is it cheaper to run a fan all day than an AC?

Yes, running a ceiling fan all day costs significantly less than running an AC. A standard ceiling fan running 24 hours daily uses approximately 1.8 units — costing roughly Rs. 13 at Rs. 7 per unit. An AC running 8 hours daily consumes 7 to 12 units — costing Rs. 49 to Rs. 84 per day. Over a 180-day summer, the annual fan cost is approximately Rs. 700 to Rs. 2,000 versus Rs. 9,000 to Rs. 18,000 for the AC.

How much electricity does a ceiling fan use?

A standard ceiling fan uses 70 to 75 W of electricity, consuming approximately 0.07 to 0.075 units per hour. Running it for 12 hours daily amounts to roughly 27 units per month — costing approximately Rs. 189 at Rs. 7 per unit. A BLDC energy-saving ceiling fan uses only 28 to 35 W, cutting this consumption by more than half to approximately 12 to 13 units per month — costing under Rs. 95 at the same tariff rate.

Can using a fan reduce the AC bill?

Yes, running a ceiling fan alongside the AC allows you to raise the AC thermostat by 2 degree Celsius without any perceptible reduction in comfort — because the fan's wind-chill effect compensates for the higher temperature setting. This reduces compressor load and electricity consumption by approximately 10% to 12% daily. Over a full summer season, this combined usage pattern can save Rs. 1,500 to Rs. 3,000 on electricity bills depending on usage hours and AC model.

Is a fan better for long-term savings compared to an AC?

A ceiling fan delivers far lower running costs — saving Rs. 8,000 to Rs. 16,000 per summer compared to an AC under typical Indian usage conditions. However, a fan cannot replace an AC in temperatures above 36 degree Celsius or in humid conditions where dehumidification is needed. For long-term savings, the most effective approach is using both strategically — a fan for mild weather and early mornings, and the AC with the thermostat set at 24 degree Celsius during peak heat.

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