Hong Kong's consumer watchdog has found significant variations in cooling efficiency among 13 top-rated air conditioner models. Despite all units bearing the highest energy efficiency label, their performance varied by as much as 33%. The council recommends consumers also check the annual energy consumption figures on labels for a more accurate comparison of energy-saving capabilities. AI
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RANK_REASON Consumer watchdog releases test results on product efficiency. [lever_c_demoted from research: ic=1 ai=0.0]
