- Is Weather Normalization calculated with 12 or 24 months of data?
- My weather station is incorrect. Can I fix it?
- What are Heating Degree Days / Cooling Degree Days?
- What is Weather Normalized energy?
- What's the difference between climate and weather? How do they affect my metrics?
- Where can I find the weather data used in my metrics?
- Where does EPA get weather data?
- Which metrics are adjusted for weather and/or climate?
- Why is my "Weather Normalized Source EUI" the same as my "Source EUI?"
- Why is my Weather Normalized EUI "N/A?"
energy efficient products
ENERGY STAR products are independently certified to save energy without sacrificing features or functionality. Saving energy helps prevent climate change. Look for the ENERGY STAR label to save money on your energy bills and help protect our environment.
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energy savings at home
Improving your home's energy efficiency with ENERGY STAR can help to lower high energy bills, improve comfort and reduce greenhouse gas emissions. Learn about the many ways to save in your home and track your progress with "My ENERGY STAR" - your new dashboard to savings.
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energy efficient new homes
A new home that has earned the ENERGY STAR label has undergone a process of inspections, testing, and verification to meet strict requirements set by the US EPA. ENERGY STAR certified homes use 15-30% less energy than typical new homes while delivering better comfort, quality, and durability.
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