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Model
Similar Model
Electricity cost (10 years, RMB)
Annual electricity consumption (kWh)
Type
Fan blade size (mm)
Airflow (m3/min)
Power (W)
Fan blade number
Energy efficiency value (m3/(min.W))
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National energy efficiency grade
18/08/2011
  Chengfeng Jinling Xiongsheng Narcissus
Inefficient-Product FT4-A-26A FB-40P(Metal blade) TS-11 NEA-KYT-30A3
    FB-40P2(Metal blade)    
337.5 316.5 333.8 468.8 285.8
67.5 63.3 66.8 93.8 57.2
Box Fan Desk Fan Walling Fan Mesa Fan Box Fan
250 400 400 350 300
30.9 64.3 66.5 39.7 62.1
45.0 42.2 44.5 62.5 38.1
6 3 3 5 6
0.81 1.51 1.51 1.58 1.63
  3 5 3 3
2 1 1 1 1