Our glass package includes two lites of Soft Coat Low-E Glass and one Lite of Annealed Float Glass sealed between two Krypton-Enhanced air spaces. This is one of the highest rated glass packages in the industry. Our glass has and R-Value of 9 and a U-Value of .11. This is better than most company’s premium glass package!

Energy Star Criteria for All for U.S. Regions:

R-Value: 2.85 or above

U-Value: .35 or below

Solar Heat Gain Coefficient:  .40 or below

 

SuperPeak™ Performance Glass provides superior insulating performance to maximize energy savings, reduce damaging ultra-violet rays, reduce noise levels, and resist condensation.

 

Energy Star

 
 
 
 
     


Now servicing the following areas:
Kalamazoo, MI | Grand Rapids, MI | Battle Creek, MI | Lansing, MI | Jackson, MI | South Bend, IN | Elkhart, IN

 
© 2007-2011 SIR Home Improvements. All rights reserved.
12849 US 131 - Schoolcraft, MI 49087 - (800) 748-0002
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