Publication Date:
Wed, 2009-06-03 04:29
Concerned about the 30/30 rule? Brush those cares away with Guardian’s ClimaGuard 63/31. The line is a high-performance product that delivers a U-value of 0.24, a solar heat gain coefficient (SHGC) of 0.31 and 63 percent visible light transmission. Its energy efficiency and neutral, crisp appearance make it a perfect low-E choice for climates with either heating or cooling requirements. 
