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 guide describes a structure and several model approaches for calculating energy, demand, and emissions savings resulting from energy efficiency programs that are implemented by cities, states, utilities, companies, and similar entities.