FAQ Knowledge Articles

Between Marvin, Integrity and Infinity products, there are over one million NFRC-certified product/glazing options available. Not all of those options can be seen at marvin.com, but most of the most frequently used options are. There are a few ways to find this information.
  1. At Marvin.com, click on the “Professionals” tab or the “Support” tab at the top of the page. You will see that “Energy Data” is one of the Technical Resource options available.  A series of drop-down boxes will help you find the NFRC values for your situation.
    1. On the Energy Data page, you can select:
i.Brand (Marvin, Integrity, Infinity)
ii.Window or Door
iii.Surface (Clad, Wood, Wood-Ultrex, All Ultrex)
iv.Product (Casement, Awning, Double Hung, Sliding French Door, etc.)
v.Divider (Grilles Between the Glass, SDL Bars, etc.)
vi.Glass (Insulated Glass, Triple Pane)
vii.Coating (Low E1, Low E2, Low E3)
viii.Gas Fill (Air, Argon, Krypton-Argon)
By completing that information, the NFRC values will be displayed.
  1. If you go to any of the product pages, you can find Energy Information as an option under the Professional Resources.  (The following example uses Marvin Ultimate Casement product page)  
    1. Under Professional Resources, the first option is “Energy Information.” It is available in two ways.
i.First, the Energy Information Finder provides the drop-down boxes to reach your NFRC Values.
ii.Second, the Popular Energy displays the NFRC values for the glazing options that are used most frequently.
As mentioned, Marvin has over one million glazing options. Depending upon product type and glass type, Marvin has products that meet u-factors from 0.13 to 0.80 with a wide range of Solar Heat Gain Coefficients. If you would like to learn more about what options might be applicable for your situation, please contact your local Marvin representative.