What Size Ceiling Fan Do You Need?
Calculate the right ceiling fan diameter and CFM for any room size. Plus mounting height and downrod length.
भारत में
<100 sq ft: 900mm (36")। 100-150: 1050mm (42")। 150-225: 1200mm (48") — most common। 225+: 1400mm (56") or two fans। BLDC fans: 30-40W vs regular 75W = 50% electricity saving! Atomberg, Crompton, Havells: top BLDC brands। BEE 5-star: mandatory consideration।
BLDC Revolution
BLDC fans: ₹2,000-4,000। Regular: ₹1,000-2,500। Extra ₹1,000 pays back in 1-2 years electricity savings। Remote control, sleep mode, reverse function included।
Running a ceiling fan costs approximately $0.01-0.02 per hour vs $0.20-0.50/hour for air conditioning. Using a fan to raise your thermostat by 4°F saves roughly $50-100 per cooling season. In winter, reverse the fan direction (clockwise on low) to push warm air down from the ceiling.
