# The Energy Information (Household Air Conditioners) Regulations 2003, Part (2): Water-cooled air conditioners - heating mode


Table 4
(a) split and multi-split appliances
Energy efficiency class
Coefficient of performance
A
4.00 < COP
B
4.00 ≥ COP > 3.70
C
3.70 ≥ COP > 3.40
D
3.40 ≥ COP > 3.10
E
3.10 ≥ COP > 2.80
F
2.80 ≥ COP > 2.50
G
2.50 ≥ COP
(b) packaged appliances
Energy efficiency class
Energy efficiency ratio
A
4.70 < COP
B
4.70 ≥ COP > 4.40
C
4.40 ≥ COP > 4.10
D
4.10 ≥ COP > 3.80
E
3.80 ≥ COP > 3.50
F
3.50 ≥ COP > 3.20
G
3.20 ≥ COP

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Source: https://www.legislation.gov.uk/uksi/2003/750/schedule/3/part/2n2 (the official version)
Page: https://openlegislation.uk/energy-information-household-air-conditioners-regulations-2003/schedule-3/part-2n2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.