| U-Factor Rating | Performance Level | Typical Use | |----------------|------------------|--------------| | 1.20+ | Poor | Old single-pane windows | | 0.80-1.10 | Basic | Uncoated double-pane | | 0.60-0.75 | Good | Silver low-E, argon fill | | 0.28-0.45 | Excellent | Triple-pane, krypton fill |
However, in many contractor circles and DIY forums, – a key measure of thermal insulation. The "Silver" component typically refers to the sputtered silver coating applied to the glass during the low-E manufacturing process. silver 62 windows
Typical installed cost for 25 windows (Silver 62 grade): $12,500 Simple payback period: ~14 years | U-Factor Rating | Performance Level | Typical
Is it a model number? A color finish? A structural grade? If you have seen this phrase in a contractor's estimate, on a building supply website, or in a home improvement forum, you need accurate information before making a purchasing decision. A color finish