Oes rhywun wedi dod ar draws hwn?
Cododd John Puw y mater yn 2009 ond ni chafodd ateb.
A Display Energy Certificate is an A3 size certificate which must be prominently displayed in all public buildings accessed frequently and regularly by the public. The certificate gives information to the public about the energy usage of that building. The building is given an Operational rating (OR) which relates to the buildings energy usage and CO2 emissions over a period of 12 months. The Operational Rating translates to a building category from A to G, with A being the best performing and G being the worst. The Advisory Report contains recommendations to improve and reduce energy usage.
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