How is Energy Efficiency Measured?...
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02 24th, 2010 |
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HOW IS ENERGY EFFICIENCY MEASURED?*
If you’ve read my previous posts on the origin of Passive House, you’ll know it originated out of Europe and the Passive House standards were born of the Low Energy House standards.
The chart below references European homes and is in kWh per square meters per year, but you can imagine use patterns are not extremely dissimilar in the U.S. On the other hand, since we are notoriously heavy energy consumers, the energy savings indicated would be that much more graphic!
Energy efficiency ratings of cars are measured in miles per...

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