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.

Year in review annual report which includes program data and success stories.

Energy efficiency savings have grown substantially in the past ten years, and national leaders in program administration have emerged as savings levels have increased. This report reviews annual program performance for 14 leading energy efficiency program administrators, with a focus on costs, electricity savings, cost effectiveness, and portfolio design.

This report identifies opportunities for Connecticut's Home Energy Solutions program (HES) to increase savings related to air sealing, duct sealing, and insulation.

This report presents the results from a comprehensive impact and process evaluation of Efficiency Maine's Low-Income Multifamily Weatherization Program.

This Multifamily Technical Reference Manuals (TRMs) provide documentation for the Trust's calculation of energy and demand savings from energy efficiency measures.

Insights from Efficiency Maine related to Workforce Development.

This report presents the results of an independent evaluation of Efficiency Maine Trust's Residential Direct Install Program for Fiscal Year 2013.

This paper explores ways in which program administrators are using social norms to spur behavior change and, as a result, curb energy use. In recent years, home energy reports (HER) programs have applied the concept of social norms to the energy efficiency context. These feedback programs inform customers of how their energy consumption compares to their neighbors' and provide other information about their usage, with the goal of enticing customers to change their energy use behavior to improve their relative neighborhood ranking.

This presentation from Efficiency Maine shows early adopters and higher income residents tend to take advantage of large incentives, but smaller incentives may be a way to engage a broader range of income levels.

This Lawrence Berkeley National Laboratory Clean Energy Policy Brief describes how adding sales skills to contractors' existing technical expertise helps convert more assessments into comprehensive home energy upgrades. It profiles Efficiency Maine's contractor sales training and includes a list of resources.