# The Energy Information (Combined Washer-driers) Regulations 1997, Paragraph 1


(1) The energy efficiency class of an appliance shall be determined in accordance with Table 1.
TABLE 1
Energy efficiency class
Energy consumption “C” in kWh per kg for a complete operating (washing spinning and drying) cycle using standard 60°C cotton cycle, and “dry cotton” drying cycle, determined in accordance with the test procedures of the harmonised standards
A
C ≤ 0.68
B
0.68 <C ≤ 0.81
C
0.81 <C ≤ 0.93
D
0.93 <C ≤ 1.05
E
1.05 <C ≤ 1.17
F
1.17 <C ≤ 1.29
G
1.29 <C
(2) The washing performance class of an appliance shall be determined in accordance with Table 2.
TABLE 2
Washing performance class
Washing performance index “P” as defined in the harmonised standards, using a standard 60°C cotton cycle
A
P> 1.03
B
1.03 ≥ P> 1.00
C
1.00 ≥ P> 0.97
D
0.97 ≥ P> 0.94
E
0.94 ≥ P> 0.91
F
0.91 ≥ P> 0.88
G
0.88 ≥ P

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Source: https://www.legislation.gov.uk/uksi/1997/1624/schedule/4/paragraph/1 (the official version)
Page: https://openlegislation.uk/energy-information-combined-washer-driers-regulations-1997/schedule-4/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.