BFRC Ranking The BFRC are one of the most trusted window and doorway energy general performance assessors in the united kingdom. A++ Electrical power ranking A+ Power ranking A Electrical power score B Electrical power score BFRC Ranking The BFRC are one of the most trustworthy window and door Strength https://www.apptape.co.uk/blog/dec-advantages-of-window-tinting-films/