Ultra-Low Energy Retrofits Show Promising Growth Across the U.S.

The United States is seeing a promising upward trend in ultra-low energy (ULE) buildings. While much of this progress has occurred with new construction, it is beginning to spread to existing buildings. Over the past decade, a small but growing number of ULE building retrofit projects have been documented in more than 20 states. This is great news, because a highly efficient building stock is one of the cornerstones of a prosperous clean energy economy. Today’s buildings consume roughly 40% of all energy used in the United States, and retrofits of existing buildings can produce sizable energy savings. To qualify as ULE, homes typically need to reduce energy intensity by 70-85%, while commercial buildings must do so by 60-70%.


Source: Energy Collective

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