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 residential energy efficiency programs run into challenges maintaining an appropriately sized, well-trained workforce from program launch through maturity, as well as through the fluctuating demand of the seasons of the year. Some programs found that their contractors preferred a smooth annual...