3 cups
Blueberries
1½ cups
Butter
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A superior technology designed to minimise energy loss through your windows
Building Regulations and Window Energy Ratings
The process for applying for a Window Energy Rating
3) Registering your WER
The certifying body such as the BFRC or CERTASS will register your rating and issue a WER label. An official list will be publicly available. You require a minimum of a ‘B’ rating as of June 2022.
Please compare the licencing rules from each certifying body and choose the WER licence most suited to your requirements.
Building Regulations and WERs Page 17
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