Windows, Doors, and Skylights Climate Zone Finder
Find the ENERGY STAR climate zone for your location. What are the ENERGY STAR climate zones (PDF, 612KB)? It is important to select windows , doors, or skylights that are suited to the type of climate you live in. Select your state and county to find your climate zone and learn more about picking the best product for your area.
Climate zones have different recommended energy -efficient performance levels for windows , doors, and skylights. You can use the NFRC label or the NFRC Certified Products Directory to compare ENERGY STAR products. To find ENERGY STAR windows for your specific climate zone , use our Window Selection Tool.
ENERGY STAR Window Standards Homeowners Need
Understanding Energy Star 7.0 Requirements for Windows and Doors Energy Star 7.0 sets new standards for energy -efficient windows and doors based on different climate zones . Here's a breakdown of the new requirements for each zone :
The U.S. ENERGY STAR ® program divides the nation into four distinct climate zones —Northern, North-Central, South-Central, and Southern—with tailored performance criteria for windows and doors that took full effect in 2023. Our products meet or exceed all these requirements, with flexible options for the Northern zone's prescriptive and alternative compliance paths.
Energy Star Windows
Since the energy efficient performance of windows , doors, and skylights varies by climate, product recommendations are given four U.S. climate zones . For comparisons among ENERGY STAR products and selecting the best product available read Buying Energy Efficient Windows or go to www.nfrc.org.
The ENERGY STAR program for the United States divides the nation into four separate climate zones - Northern, North-Central, South-Central, and Southern. The performance criteria that needs to be met in order to be ENERGY STAR compliant in specific climate zones are shown in the charts provided.
Residential Windows, Doors, & Skylights
Lower energy consumption also reduces greenhouse gas emissions from power plants and homes. Thanks to advances in technology, today's ENERGY STAR certified windows , doors, and skylights offer greater savings than ever before. Just look for the correct ENERGY STAR label for where you live.
ENERGY STAR ® version 7.0 is out! Learn what it means for your climate zone and which products meet the new requirements.
PDF Guide to Energy
Guide to Energy -Efficient Windows Replacing your home's windows with ENERGY STAR ® qualified windows will improve indoor comfort and filter out damaging ultraviolet light, while potentially saving you hundreds of dollars a year on heating and cooling costs.
Learn about the energy saving power of ENERGY STAR windows , including yearly cost savings, window ratings and requirements, and more.