U-Value in Glazing Explained

Windows energy rating - U-Value ExplainedWhat is U-Value?

When it comes to windows, doors and conservatories you will hear the term U-Value quite a lot, but what does it actually mean?

U-Value is a way of measuring the thermal efficiency of a material/product such as windows, doors, walls ect. The lower the U-Value the better insulated the material is. Continue reading