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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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...