Sentence examples for u value from inspiring English sources

Windows are rated for the insulation (U value) and how much light they let through (E value).

For a given temperature difference, the U value increases as the wind velocity increases.

Hence, the U value for the wooden house wall is lower than that of the improved wooden house (House E) U value.

The condensation phenomena favored the plastic film, since its U value was always less than that of the corresponding dry film.

If behavioural parameters are not taken into account, the most critical parameters affecting heating consumption are the window U value, window g value and wall conductivity.

In order to fid out the maximum Q, genetic algorithm (GA) is used to search the best heat transfer coefficient (U) value.

"The U-value measures how good a window is at keeping heat inside a home," he said, explaining that the lower the U-value, the better the window.

"That gives you a U-value of about 0.19," he said.

"The very best windows have a U-value as low as 0.15," he said, adding that the average U-value for a good replacement window is about 0.45 and the least efficient models have a U-value of 1 and higher.

Mr. Greenberger said that while the council bases its ratings on various parameters of window performance, the most useful rating is the window's "U-value".

U-value is an inverse function of thickness, so that there is a limit to the cost-effectiveness of increasing the amount of insulation on a surface.