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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
4) Applying for an ESR Label
If you are issued with a ‘B’, 'A', 'A*' or 'A+ rating you can then apply for an Energy Saving Trust label from the Energy Savings Trust.
Contact: ESR@est.org.uk or call 01372 376743.
Building Regulations and WERs Page 18
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