NOVEMBER 2021
Lightweight Quad-Pane Windows

Advances in film and thin-glass technology have made lightweight quad-pane windows a cost-effective alternative to typical double-pane windows. 

Researchers from the National Renewable Energy Laboratory (NREL) found 24% average HVAC savings compared to high-performing double-pane windows.

Download Findings

• 1-page infographic

• 4-page brief

• NREL full report

View Webinar

• On-demand video

• Slides

• Q&A