# The Energy Efficiency (Refrigerators and Freezers) Regulations 1997, Paragraph 6


The weighting co-efficients Xc and Yc, referred to in paragraph 5, for the different types of compartment are:
Table of weighting co-efficients Xc and Yc, according to the temperature of the compartment
Xc
Yc
Cellar compartment
1.25
1.35
Fresh food compartment
1.20
1.30
0°C compartment
1.15
1.25
1-star (*) compartment
1.12
1.20
2-star (**) compartment
1.08
1.15
3 (***) and 4 (****) star compartments
1.05
1.10
Both the adjusted volume and the net volume are expressed in litres.

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Source: https://www.legislation.gov.uk/uksi/1997/1941/schedule/1/paragraph/6 (the official version)
Page: https://openlegislation.uk/energy-efficiency-refrigerators-and-freezers-regulations-1997/schedule-1/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.