Advertisement
Advertisement
U-value
[ yoo-val-yoo ]
noun
- a measure of the flow of heat through an insulating or building material: the lower the U-value, the better the insulating ability.
Word History and Origins
Origin of U-value1
Example Sentences
The latest Crittall windows can achieve a U-value - a measure of their insulating performance - as low as 0.8, which is better than standard double-glazed windows.
"It's thin and at the same time it has a very good, low U-value," she explains.
This captures not only the U-value of the glass but other factors, such as the quality of the frame, which greatly affects the overall performance.
Any building material you can think of will have a U-value, a measure of how easily heat passes through the material - the lower the number, the better.
Though still to be decided, incoming regulations in England could demand windows have a U-value of 0.8 or below.
Advertisement
Advertisement
Advertisement
Advertisement
Browse