10/05/2026
Choosing the right glass configuration can make a measurable difference in energy performance.
NFRC ratings provide standardized U-Factor and Solar Heat Gain Coefficient (SHGC) values for specific tested door and glass configurations, helping architects, builders, and homeowners make informed decisions for each project.
At ETO Doors, performance and craftsmanship go hand in hand.
(213) 622-2003
📍 Visit our showroom
1340 E. 6th Street, Los Angeles, CA 90021
Monday–Friday | 8 AM–5 PM (PST)
👉 For timely online assistance:
[email protected]