Tonnage, COP, EER, SEER, ISEER and Star Rating For Air Conditioners

What is TR or Tonnage of Refrigeration: Tonnage of Refrigeration is the unit of measurement of cooling of a refrigeration or Air conditioning system. It is defined as the rate of heat transfer that results in the freezing (or melting) of 1 ton (2,000 lb; 907 kg) of pure ice at 0 °C (32 °F) in 24 hours.  A ton of ice melting over 24 …

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Energy Efficiency in Fans and BLDC Technology

Ceiling fans are most common household appliance after lighting, considering the power consumption in summer it has significant energy contribution for middle and lower middle class people.  The power consumption in fans should not be ignored while considering energy planning. Energy efficiency in fans are improved by BLDC technology To promote energy efficiency in fans, …

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