Discussion Board Forum for Vinyl Windows

I am not referring to the U factor. This number is located under the column label of Low-E and states .027(2) with an OKNA window and .204(2), .204(5) for a BF Rich window.

On the nfrc site under Low-E, what does a .207 vs an .024 signify and is either number indicative of a better window?

WoW, Thanks for the input. I will look at the DH500 as well.

Can you comment on the Vintage or compare the advantages/disadvantages of each.

I will be having 10 DH windows installed and was quoted about the same price by the installer. The BF Rich Vintage window is slightly more expensive. The OKNA 400 must be a relatively new product. Any pros or cons that might help me make a selection? On a side note is the foam filled frame worth the...

I will be having 10 DH windows installed and was quoted about the same price by the installer. The BF Rich window is slightly more expensive. The OKNA 400 must be a relatively new product. Any pros or cons that might help me make a selection? On a side note is the foam filled frame worth the extra $...