Refrigerating Appliances
Under the existing grading standard, refrigerating appliances which obtain Grade 1 under the existing grading standard are 44% more efficient than those under the past standard. Grade 1 to Grade 2 of the past standard is reclassified into Grade 1 to Grade 5.
| Energy Efficiency Grade | Energy Consumption Index(Iε)(%) | |
| Past Grading Standard | Existing Grading Standard | |
| Grade 1 | Iε ≤ 63 |
Iε ≤ 35 |
| Grade 2 | 63 ≤ Iε ≤ 80 |
35 ≤ Iε ≤ 44 |
| Grade 3 | 80 ≤ Iε ≤ 100 |
44 ≤ Iε ≤55 |
| Grade 4 | 100 ≤ Iε ≤ 125 |
55 ≤ Iε ≤69 |
| Grade 5 | 125 ≤ Iε |
69 < Iε |

Comparison of the past and existing standards of refrigerating appliances
Lower Energy Consumption index (Iε) indicates a refrigerating appliance with higher energy efficiency.