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The optional ClimaTech Insulated Glass Package combines PPG’s Solarban® 60 multi-layered Low-E Glass with the Intercept Warm Edge Spacer System and argon gas. The ClimaTech glass package is up to 40% more energy efficient than most other low-E or mid-E glass systems, and provides more than twice the energy efficiency of clear glass units.
Low-E Glass filters long-wave radiation. This reduces the heat gain in your home from the sun in the summer, keeping your home cooler.
Low-E Glass takes on a new duty in winter months. It lets warm solar rays into your home while blocking the heat in your home from getting out.
ClimaTech Windows are so efficient, they far exceed the performance requirements set forth by the US Department of Energy in conjunction with the National Fenestration Rating Council (NFRC) test criteria. The NFRC is an organization that was established to oversee the implementation of performance ratings by manufacturers of window and door products.
One of the most critical NFRC tests measures the rate of heat loss through a window or door. This is known as a U-Value. The lower the U-Value, the better the product is at resisting heat flow, which results in a product with a greater insulating value. The chart to the left clearly indicates that a window with the ClimaTech option will be far more energy efficient than a window with a clear glass unit.
Another critical NFRC test is for Solar Heat Gain Coefficient (SHGC). This procedure measures how well a product blocks heat heat caused by sunlight. Again, the lower the number, the less solar heat the window transmits into the home. As shown here, the performance will increase substantially with the addition of the ClimaTech Insulated Glass Package. The benefit to this is that your air conditioner will work more effectively, thereby lowering your energy requirements.