BFRC Score The BFRC are probably the most trusted window and doorway Power efficiency assessors in britain. A++ Power rating A+ Electrical power score A Vitality rating B Electrical power rating BFRC Rating The BFRC are by far the most reliable window and doorway Electrical power effectiveness assessors in britain. https://bookmarkfavors.com/story4464969/the-best-side-of-window-tinting-films