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U
U-Value
- Amount of heat transferred through a material. The lower the U-value, the slower the rate of heat flow and the better the insulating quality.
Ultra
-
Violet
? Type of radiation with wavelengths shorter than those of visible light and longer than those of X-rays. Causes sunburn, fading and breakdown of fabric, wood furniture and other exposed surfaces.
United Inches
? The sum in inches of the width and height of a window unit. Common ?call size? for replacement windows.
UV Block
- The percent of ultraviolet rays blocked from being transmitted through the glass. The higher the number the lower the percentage of ultraviolet rays transmitted through the window.
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NJHIC# 13VH04769100
NYC# 1277038
Rockland# H-10819-07-38-00
Westchester# WC-21547-H09
Yonkers# 4370
Delaware# 2009605698
MHIC# 101052