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.

This report provides an overview of credit enhancements available, such as loan loss reserves, loan guarantees, debt service reserve funds, and subordinated capital. It also discusses key issues related to credit enhancement, examples of how others have successfully implemented credit enhancements as part of their energy efficiency financing programs, and additional information on existing resources that provide further information on credit enhancement design and implementation.

In 2011 the City of Boulder, Colorado enacted its “SmartRegs” ordinances that require all single family and multifamily rental properties to meet a minimum energy efficiency standard by January 2019. The SmartRegs initiative is designed to help the city achieve its ambitious carbon emissions reduction goals and to improve the quality, safety, and marketability of Boulder’s rental housing stock.

This fact sheet provides promising approaches for Better Buildings programs seeking to accelerate workforce development to support building energy upgrades. These approaches are organized by estimated level of effort and include rough estimates of cost ranges for implementation.

This guide provides background on the home improvement market in the U.S. and Canada and end users and systems in existing homes, as well as a description of energy efficiency program approaches and strategies.