The best video to explain window energy ratings

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WER’s have been arround for many years now but confusion reins about which is best, a low U value or a high WER, whats the difference anyway?

Well Planitherm in conjunction with Anglian Windows have had a video produced to explain the system, what WERS are, how glass is made to perform as well as it does and why solar gain is good for homes (although too much can require unbearable)

This is an excellent video if you have 5 mins

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