Wausau Window and Wall Systems INvent Retro XLT Windows

by Jonathan McGaha | 2 July 2013 12:00 am

Helping meet Model Energy Codes, INvent Retro XLT windows with double insulating glass can achieve a U-Factor as low as 0.39 BTU/hr.sqft.F and a Condensation Resistance Factor (CRF) as high as CRF Frame 60/CRF Glass 70. Triple insulating glass further enhances energy savings and condensation resistance.

http://www.wausauwindow.com [1]

Source URL: https://www.metalconstructionnews.com/products/wausau-window-and-wall-systems-invent-retro-xlt-windows/

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