BFRC Score The BFRC are essentially the most trustworthy window and doorway Power performance assessors in britain. A++ energy score A+ Strength score A Vitality ranking B Strength score BFRC Ranking The BFRC are essentially the most dependable window and doorway Power efficiency assessors in the UK. A++ A+ A https://www.apptape.co.uk/blog/dec-advantages-of-window-tinting-films/