How much electricity does a BLDC ceiling fan consume?

A typical 5-Star BLDC ceiling fan consumes about 28 Watts at top speed (Speed 5) and as low as 6 to 8 Watts at Speed 1. Running a 28W BLDC fan for 16 hours a day uses approximately 13.4 electricity units (kWh) per month.

How much money can a BLDC fan save on electricity bills per year?

Replacing a 75W conventional ceiling fan with a 28W 5-Star BLDC fan saves about 22.5 units per month per fan. Running for 16 hours/day at ₹7.50/unit saves approximately ₹2,000 to ₹2,400 per fan annually.

What is the investment payback period for a BLDC fan in India?

With an average price difference of ₹1,500 between a 5-Star BLDC fan (₹3,000) and a conventional fan (₹1,500), the annual energy savings pay back the price difference within 8 to 12 months under typical daily usage.

What is the BEE Star Rating metric for ceiling fans?

The Bureau of Energy Efficiency (BEE India) evaluates ceiling fans using Service Value (SV), which is Air Delivery (m³/min) divided by Input Power (Watts). A 5-Star fan requires a Service Value ≥ 6.0.

BEE Schedule 10 Standards & Payback Period Estimator

BLDC Fan vs Normal Fan Savings Calculator

Calculate exact electricity units saved, annual monetary cost savings, and investment payback period when upgrading to 5-Star BLDC ceiling fans.

BEE Schedule 10 & IS 374 Benchmark Engine

BLDC Fan vs Normal Ceiling Fan Electricity Savings Calculator

[REPRESENTATIVE INDUSTRY BENCHMARK]

Active Comparison Benchmark (Speed 5)

28W 5-Star BLDC Fan vs 75W Conventional Induction Fan

[REPRESENTATIVE BENCHMARK]

Number of Fans Operating (2 Fan/s)

Daily Usage Duration (16 Hours/day) [USER ASSUMPTION]

1 hr16 hrs / day24 hrs

Tariff Calculation Bridge

BLDC Fan Retail Purchase Price per Unit (₹) [USER ASSUMPTION]

Conventional Fan Retail Purchase Price per Unit (₹) [USER ASSUMPTION]

Estimated Annual Savings

₹3,127

62.7% Electricity Reduction [CALCULATED]

Estimated Payback Period

11.5 Months

Price Difference: ₹3,000

Monthly Units Saved

45.12 kWh / month

Annual Saved: 548.96 Units

Monthly Electricity Bill Comparison

BLDC: ₹375.23 vs Conv: ₹635.8

UPPCL Urban LMV-1 Tariff Engine (UPERC Order)

🧾 Step-by-Step Calculation Audit Proof

Rated Input Power Comparison (Speed 5)

BLDC: 28W vs Conventional: 75W (2 fan/s)

62.7% Power Reduction

Estimated Monthly Units Consumed

BLDC: 26.88 Units vs Conv: 72 Units (16 hrs/day)

Saved 45.12 Units/month

Estimated Monthly Electricity Bill

Calculated via UPPCL Urban LMV-1 Tariff Engine (UPERC Order)

BLDC ₹375.23 vs Conv ₹635.8

Estimated Annual Monetary Savings

₹7630 - ₹4503

₹3,127 / year

Estimated Investment Payback Period

₹3000 Incremental Price ÷ ₹260.56999999999994/month Savings

11.5 Months

Why Actual Fan Consumption Varies:

28W and 75W represent typical industry benchmarks for 1200mm ceiling fans at maximum speed (Speed 5).
Actual power draw varies by fan speed setting (BLDC fans consume 6W-8W at Speed 1).
Calculated monetary savings and payback periods are estimates based on entered user assumptions and state utility tariff engines.

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Universal Unit Converter Hub

Convert Watts to kW and kWh to electricity billing units.

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AC Power Consumption Calculator

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UPPCL Uttar Pradesh Calculator

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What is BLDC Technology and How Does It Save Up to 65% Electricity?

BLDC stands for Brushless Direct Current. Traditional ceiling fans use AC induction motors with heavy copper windings and mechanical friction, wasting energy as heat. BLDC fans use permanent magnets and an electronic driver board, reducing power draw from 75 Watts down to 28 Watts at maximum speed.

Benchmark Energy Comparison (16 Hours/Day for 1 Year):

28W 5-Star BLDC Fan (Atomberg / Orient / Havells):
Annual Energy: (28W × 16 hrs × 365) ÷ 1,000 = 163.5 Units / year.
75W Conventional Induction Ceiling Fan:
Annual Energy: (75W × 16 hrs × 365) ÷ 1,000 = 438.0 Units / year.
Annual Units Saved: 438.0 - 163.5 = 274.5 Units / year per fan (~62.6% energy reduction).

Ceiling Fan BEE Star Rating & Service Value Table (1200mm Sweep)

Fan Technology	BEE Star Rating	Rated Power (Speed 5)	Service Value (m³/min/W)	Monthly Units (16 hrs/day)
5-Star BLDC Fan	5-Star BEE	26W - 28W	≥ 6.0 (High Efficiency)	~13.4 Units
3-Star Induction Fan	3-Star BEE	50W - 55W	4.0 - 4.9	~26.4 Units
Conventional Unrated Fan	Unrated / 1-Star	70W - 78W	< 4.0	~36.0 Units

Loading calculation engine...

What is BLDC Technology and How Does It Save Up to 65% Electricity?

Benchmark Energy Comparison (16 Hours/Day for 1 Year):

28W 5-Star BLDC Fan (Atomberg / Orient / Havells):
Annual Energy: (28W × 16 hrs × 365) ÷ 1,000 = 163.5 Units / year.
75W Conventional Induction Ceiling Fan:
Annual Energy: (75W × 16 hrs × 365) ÷ 1,000 = 438.0 Units / year.
Annual Units Saved: 438.0 - 163.5 = 274.5 Units / year per fan (~62.6% energy reduction).

Fan Technology

BEE Star Rating

Rated Power (Speed 5)

Service Value (m³/min/W)

Monthly Units (16 hrs/day)

5-Star BLDC Fan

5-Star BEE

26W - 28W

≥ 6.0 (High Efficiency)

~13.4 Units

3-Star Induction Fan

3-Star BEE

50W - 55W

4.0 - 4.9

~26.4 Units

Conventional Unrated Fan

Unrated / 1-Star

70W - 78W

< 4.0

~36.0 Units