This report provides a comprehensive review and analysis of home energy upgrade programs with proven track records, focusing on those with robustly verified savings and constituting good examples for replication. This meta-analysis describes program models and implementation strategies for direct install upgrades; heating, HVAC replacement and early retirement; and comprehensive, whole-home upgrades.

Focus on Energy, Columbia Water & Light, and utilities from the Energize Connecticut program share how they integrate and implement the Home Energy Score and Home Performance with ENERGY STAR programs.

In this presentation, state and nonprofit leaders in Colorado and Connecticut discuss their policy and program efforts to offer rooftop and community solar and weatherization services and how they are scaling their programs to meet the needs of the underserved income-eligible market.

This paper describes a wide variety of behavior change insights potentially applicable to the energy efficiency program context, provides examples of efficiency programs that have applied these insights, and explores some untapped opportunities to achieve energy savings through behavior change.