i the environmental protection and management act in english available online at statutes.agc.gov.sg ii the environmental protection and management registrable goods order 2 pages in english iii the environmental protection and management energy conservation regulations 8 pages in english . the existing environmental protection and management act environmental protection and management registrable goods order and environmental protection and management energy conservation regulations will be amended to i extend the scope of registrable air-conditioners and ii to raise minimum energy efficiency standards for registrable air-conditioners and refrigerators supplied in singapore from 1 se 2013. the existing legislation will be ported over to energy conservation act from 1 se 2013. single-phase non-ducted split type of air-conditioner employing technologies that vary the output of the compressor by means other than start-sto operation and with cooling capacity 10kw or lower are registrable goods. from 1 se 2013 onwards air-conditioners of this category u to a cooling capacity of 17.6kw will be registrable. from 1 se 2013 onwards all registrable air-conditioners and refrigerators supplied in singapore must comply with new minimum energy efficiency standards specified below. i for casement and window type air-conditioners the coefficient of performance cop y2.90. ii for split type non-inverter air-conditioners with one indoor unit cooling capacity less than 10kw the cop y 3.34. iii for split type non-inverter air-conditioners with one indoor unit cooling capacity equal to or more than 10kw the cop y 2.78. iv for split type non-inverter air-conditioners with more than one indoor unit cooling capacity less than 10kw the cop y 3.34. v for split type non-inverter air-conditioners with more than one indoor unit cooling capacity equal to or more than 10kw the cop y 2.64. vi for split type inverter air conditioners with one indoor unit cooling capacity less than 10kw the cop y 3.06 and weighted cop3 y 3.34. vii for split type inverter air conditioners with one indoor unit cooling capacity equal to or more than 10kw the weighted cop3 y 2.78. viii for split type inverter air-conditioner with more than one indoor unit cooling capacity less than 10kw the cop y 3.06 and weighted cop3 y 3.34. ix for split type inverter air-conditioner with more than one indoor unit cooling capacity equal to or more than 10kw the weighted cop3 y 2.64. x for refrigerator without freezer the annual energy consumption in kwh aec 368 0.892 x vadj tot x 0.640. xi for refrigerator with freezer the aec 465 1.378 x vadj tot x 0.585. xii for refrigerator with freezer and through-the-door ice dispenser the aec 585 1.378 x vadj tot x 0.560. 3 weighted cop means the sum of 0.4 x cop at full-load cooling capacity and 0.6 x cop at part-load cooling capacity.