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Home appliances
Nearly every fan is sold on design. The two numbers that decide whether a room actually feels cool are sweep size and air delivery in cubic metres per minute.
Quick answer
1200 mm sweep for 75–120 sq ft rooms.
Look for 210+ air delivery for real breeze.
motor saves ~50% power over induction.
Check for 3+ speed settings and remote control.
In the shop
Read these off your phone at the counter. The answer tells you more than the price tag.
1.“What is the air delivery in CMM and the power draw in watts?”
A good answer: 210+ CMM and 28–35 W for a BLDC fan. A cheap fan pulls 75 W for less air.
2.“Is this a BLDC motor, and does the remote work if the receiver fails?”
A good answer: Honest answer: BLDC fans need the receiver. Ask what a replacement costs.
A few questions about your situation, not about the product.
Add one short need not covered above.
Answer all 3 questions to see the spec sheet to shop with.
The sticker price is one part of owning a ceiling fan. Adjust the numbers to your own usage and tariff to see the electricity cost a star rating actually translates to.
Units per year
150 kWh
Cost per year
₹1,200 (≈$14)
Cost over 5 years
₹6,000 (≈$72)
Often more than the price difference between two models.
A BLDC fan at ~28 W does the same job — change watts to 28 to see the saving. Estimates only — actual consumption varies with ambient temperature, settings and unit condition. USD values are approximate.
Every new appliance already carries a brand warranty. An extended plan or AMC only adds value where it covers the parts that actually fail, with on-site service in your city — so read the cover, not the discount.
Ask these five questions
Usually not covered
Rule of thumb: a plan is rarely worth it if it costs more than ~15% of the product price, if the item is cheap to repair locally, or if the brand's own service network in your city is already strong.
These are comparison links, not recommendations — we don't sell plans and we don't rank providers. Some outbound links on KnowBeforeBuy are affiliate links. Cover, exclusions and pricing change; read the plan document before you pay.
Buy it locally
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Diameter of the circle the blades cut.
Why it matters
The sweep must match the room, or airflow either misses the corners or feels like a storm.
What to check
Up to 75 sq ft: 900 mm. 75–120 sq ft: 1200 mm. Over 120 sq ft: 1400 mm, or two fans.
Cubic metres of air moved per minute.
Why it matters
This is the actual cooling number; alone tells you nothing about airflow.
What to check
210+ for a 1200 mm fan is good; below 200 feels weak.
Brushless DC motor versus conventional.
Why it matters
draws around 28–35 W versus 70–80 W, and runs quieter with remote speed control.
What to check
electronics can fail; check warranty on the motor and the driver separately.
The pipe between ceiling and fan.
Why it matters
Fans need clearance above and around them to breathe; too close to the ceiling kills airflow.
What to check
Aim for blades 8–9 ft above the floor and at least 25 cm below the ceiling.
Metal, or wood, and the tilt angle of each blade.
Why it matters
Pitch drives airflow more than blade count; metal is efficient, resists coastal rust.
What to check
Three well-pitched blades usually outperform five decorative ones.
A fan costs more but uses roughly a third of the power of a conventional one.