INvent Series 2250i-XLT Windows help meet tomorrow's energy codes today. These high-performance fixed and operable windows address weatherability, durability, and thermal performance. The windows offer triple insulating glass and an extra-wide thermal barrier to achieve NFRC U-Factors as low as 0.19, equivalent to R5.3. Condensation Resistance Factors range from 44-68, and STC ratings are offered in 31-43. These replacement windows also deliver reduced maintenance, decrease condensation and glare, and improve comfort.
INvent Series 2250i-XLT Windows by Wausau Window and Wall Systems. www.wausauwindow.com. Circle 213.