Lightweight Secondary Windows
Compared to window replacements, secondary windows are a cost-effective and efficient way to improve thermal performance and occupant comfort and reduce noise.
Researchers from the National Renewable Energy Laboratory found 15% average whole-building savings compared to single-pane windows. View full-size infographic. [PDF - 323 KB]
Reference above to any specific commercial product, process or service does not constitute or imply its endorsement, recommendation or favoring by the United States Government or any agency thereof.
WEBINAR
ADDITIONAL RESOURCES
- Report: Secondary Glazing System (SGS) Thermal, Moisture, and Solar Performance Analysis and Validation (LBNL for NEEA, 09-2020)
- Presentation: Enhancing Window Performance with Energy Efficient Attachments (AERC, 05-2020)
- Presentation: Secondary Windows Products (NEEA, 2020)
- Product Search: Secondary Windows that Meet AERC Standards (AERC)
Last Reviewed: 2023-06-19
Top