The Central Power Research Institute is an autonomous society under the Ministry of Power, Govt. of India. In their Fan Testing Laboratory, ELECTRIC CEILING FANs are tested as per IS: 374 -1979 specification. This is published by the BUREAU OF INDIAN STANDARDS which is The National Standards Body of India. Air Delivery Test at CPRI Here is [...]
The Government of India set up Bureau of Energy Efficiency (BEE) (Website: http://www.bee-india.nic.in) on 1st March 2002 under the provisions of the Energy Conservation Act, 2001. The mission of the Bureau of Energy Efficiency is to assist in developing policies and strategies with a thrust on self-regulation and market principles, within the overall framework of [...]
A superficial cost comparison may mislead a fan buyer into thinking that ordinary fans are cheaper than SuperFans. A quick product price comparison shows that ordinary induction motor ceiling fans range in price from Rs 1250 to Rs 1700, and the energy saving Havells ES 50 costs about Rs. 1700, inclusive of regulators. To justify [...]
Fans cool us by creating a wind chill effect. The sweat on our skin evaporates more easily, we lose more body heat through convection and we feel cooler. Bigger, faster fans deliver more air and cool us better. Bigger, faster fans use more electricity and actually end up heating an insulated room. We need bigger, faster fans [...]
The difference between ordinary fans and superfans is the motor. Motors work on the principle that like magnetic poles repel. The fan blades are attached to a shaft that is connected to the motor. The motor has two main kinds of magnets. A permanent magnet and an electromagnet. The polarity of the electromagnet is changed [...]
