HS 8418 1010, 8418 2100 with respect to:

Single-phase refrigerators (not being second-hand goods) with an adjusted volume of up to 900 litres. “Single-phase refrigerator” means an assembly consisting of a thermally insulated cabinet for the storage and preservation of foodstuffs above 0°C (32°F) and a refrigerating unit operating on the vapour compression principle and arranged to extract heat from within the cabinet, whether or not with one or more freezer compartments.

i.  Energy Conservation Act (in English)

ii.  Energy Conservation (Registrable Goods) Order 2013 (in English)

iii.  Energy Conservation (Energy Labelling and Minimum Performance Standards for Registrable Goods) Regulations 2013 (in English)

iv.  Energy Conservation (Composition of Offences) Regulations 2013 (in English)

Minimum Energy Performance Standards (MEPS) for refrigerators were introduced in 2011. Only refrigerators that meet the prescribed MEPS are permitted to be sold in Singapore. MEPS helps to prevent consumers from becoming locked into high energy consumption and costs over the lifespan of the appliance.