clean the condensers water tube regularly as clogging can happen due hard
water used for cooling .
change oil for compressors on regular intervals.
Clean filters which blocked can reduce the cooling efficiency.
Add evaporator capacity to reduce evaporator approach temperature and raise
suction pressure.
Few energy saving ideas for air conditioning and refrigeration
Install a thermosyphon cooling system to cool the compressor oil.
Read more » Enery saving in Air conditioning and refrigeration

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