While builders struggle to bring new housing online, the rest of the country’s housing stock is aging. Of the approximately 124 million housing units, the ABC Collaborative counts more than 21 million single family homes that were built before 1980 that need a retrofit, spurring a huge new industry focused on energy improvements.
Energy retrofits are appealing for several reasons—to meet the nation’s 2050 sustainability goals, to meet a growing social consciousness, to improve home equity, and to reduce home energy costs and energy use.
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