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by kenNC
Tue Sep 19, 2017 12:13 pm
Forum: Replacement Window Questions
Topic: Understanding Energy Star regions
Replies: 1
Views: 1129

Understanding Energy Star regions

I am shopping for DH vinyl replacements. I have narrowed my choices to Okna, Sunrise and Vytex products. I live in the Raleigh NC area, and noticed that the energy star NC and SC region falls on Raleigh. So I guess I have the option to choose either region? My question is what are the differences fo...