British window Energy Rating System Southall Windows London

44) Frequently Asked Question Number Forty Four:- What is the meaning of BFRC? What is the British window Energy Rating System (WERs)?

The full form of the BFRC is the British Fenestration Rating Council that has established the window energy rating system (WERs). This system gives an accurate energy rating that indicates the energy performance of a window after checking the thermal transmission, solar heat gain and air tightness.

This system allows comparison between different Upvc materials and Glass, but it doesn’t provide actual energy efficiency when the windows are fitted because it depends a lot on the surveyor will come to measure your windows and the fitter who will install your windows, it also depend on the building condition, location and the local climate.

British window Energy Rating System Southall Windows London

British window Energy Rating System Southall Windows London

British window Energy Rating System Southall Windows London

The BFRC system uses three measures of energy efficiency. These are following:-

1) Thermal transmission (U-value)
2) Solar Factor (G-Value)
3) Air Leakage


Southall Windows ltd. is a West London based Double Glazing company in Southall with over many years of experience. Our aim is to give professional double glazing advice and execellent products in Southall London. We provide very best A-rated double glazed and Triple glazed windows, Upvc panel doors, Composite doors, Bi-Folding Doors, Conservatories, Integral Blinds & Porches.

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