IG Type = Insulated Glass Type U-Factor – The U-factor is a rating given to a window based on how much heat loss it allows. A lower number is more energy efficient. SHGC – The Solar Heat Gain Coefficient is a number assigned to a window that tells you how much heat that window lets pass into your home from the sun. VLT – Visible Light Transmittance is a measure of how much light passes through a window. VLTs range from 0 (no light) to 1 (all light). CR – The higher the Condensation Resistance Factor a particular window or door product possesses, the better will be its resistance to condensation.

R-Value = The higher the R-Value rating, the higher the insulating powerThe above chart was last updated as of 1.18.19.Paradigm reserves the right to change data values at any time.

Locate a Paradigm Dealer Near You. During the unprecedented impact of COVID-19 we have reduced both staff and hours of operation. Because of this, all calls may not be answered. For all technical support related inquires we encourage you to email support@paradigm.com. Paradigm specializes in custom vinyl windows and patio doors for new construction, replacement and institutional projects. In 2014, the company.

(207) 878-9701Website {{::location.tagLine.value.text}} Legal