What is a u-value? - Quickslide Windows & Doors

What is a u-value?

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A u-value is the rate of transfer of heat through a structure, divided by the difference in temperature across that very structure. The u-value is a number that gives you an insight into the given product’s thermal transmittance. The units of measurements are W/m2K and the better insulated the window is the lower the u-value will be. The double or triple glazed glass unit will have u-value and the glass unit fitted into a window frame will also have an overall u-value. You should be more interested in the overall u-value as no glass unit will ever be installed without some sort of frame.

Please note, our news articles are relevant and accurate at the time of release, but as technical developments dictate, and times goes by the information in this article may no longer be applicable. If you have questions, please contact us using our online contact form or call us on 03332 412 240.

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