- They don’t cool rooms, they just provide air circulation in the room to cool you.
Metrics
- Air Delivery : example 225 CMM (Cubic Meters per Minute)
- Number of blades
- More blades - less speed, but also less noisy.
- Blade sweep. In ceiling fans: 600mm (2ft), 1200 mm (4 ft), 1400mm (5 ft) are common. Greater sweep is like adding more blades plus greater reach for air.
- Noise - double ball bearings mean less noise.
- Speed RPM
- Mounting: Pedestal vs ceiling vs wall
- Looks
Examples
- Havells Swing pedestal 400mm, Power: 55 watts, Air Delivery: 72 CMM , Speed: 1350 RPM
- Havells Fusion 600mm 3 blade, Power: 62 watts, Air Delivery: 120 CMM, Speed: 880 RPM
- Bajaj Regal Gold 4 Blade ceiling 1200 mm, Power: 65 watts. Air Delivery: 225 CMM; Rated Speed (RPM): 330
- Havells Reo Tejas 1200mm, 220 m³/min Air Delivery, 400 RPM
- Havells 3 blade 1400 mm, Power 78W, Air delivery 250 m³/min, 280 RPM