Programs that offered several paths for customers to upgrade their homes—for example through a choice of single or bundled measures, staged upgrades over time, or a comprehensive whole home upgrade—were found to motivate greater homeowner participation and generate higher energy savings, according...
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Many program administrators have found that launching and scaling up a program often takes longer than planned for, especially when forming partnerships with contractors and lenders. New energy efficiency programs often need at least 2-3 years to launch and become fully operational. Across programs...
Programs in many regions of the U.S. find that the concept of home performance is new to homeowners. Homeowners may not know how energy efficiency measures compare (e.g., energy savings benefits of insulation versus new windows) or have not heard about some effective measures, such as air sealing...
Some lenders perceive home energy lending to be too risky or not profitable enough for them to get involved. Programs have found that engaging potential lending partners early in the program design process, especially in face-to-face meetings, helped them understand both lender needs and the risks...
Many programs found that market research can help identify, segment, and characterize audiences to understand how to prioritize them. A comprehensive evaluation of over 140 programs across the United States found that programs had greater success when they identified specific target populations...