High Performance Dual-Paned Windows
PG&E no longer offers a rebate for this product for single family homes. We still encourage energy-efficient windows as a retrofit product, which are now widely available in the market. We hope you find the following information useful in making a decision when purchasing energy-efficient windows.
When shopping for windows, look for units with a Solar Heat Gain Coefficient of 0.32 or less and a U-Factor of 0.35 or less. These figures are indicated on the National Fenestration Rating Council (NFRC) label affixed to each window or on the manufacturer's order confirmation sheet (available from your contractor). High performance windows can help you reduce energy costs, condensation and color fading due to sunlight, and increase the comfort in your home.
Use our Window Square Footage Calculator to determine the total area of windows needed.
For any questions, please call the Smarter Energy Line at 1 (800) 933-9555.
- The National Fenestration Rating Council (NFRC)
- Window Energy Performance (NFRC)
- Facts About Solar Heat Gain and Windows (NFRC)
- Facts About Windows and Heat Loss (NFRC)
- Facts About Windows and Daylighting (NFRC)
- Questions About Buying New Energy Efficient Windows (NFRC)
- Questions About Windows and Condensation (NFRC)
- Questions About Skylights and Energy (NFRC)
- Questions About Replacement Windows and Energy (NFRC)
- Questions About Doors and Energy (NFRC)
More Information from the California Energy Commission
On their Web site, the CEC offers several free, informative downloadable videos for consumers. Topics covered include HVAC, energy-efficient windows, insulation and more. In order to view videos on this site, a current version of RealPlayer or Quick Time Player is required.
This offering is funded by California utility customers and administered by Pacific Gas and Electric Company under the auspices of the California Public Utilities Commission. This offering shall at all times be subject to change or termination without prior notice.