This report builds and expands off of previous research by collecting and evaluating data from 800 Illinois Home Performance (IHP) retrofits. This study investigates homeowner measure package choices in the Illinois Home Performance with ENERGY STAR® (IHP) program compared to cost-optimal choices determined through Building Energy Optimization (BEopt™) modeling software.

This presentation describes the Illinois Home Performance program and marketing strategy lessons learned.

As part of its "intentional learning" process, Charleston WISE collects information from homeowners that helps the program systematically test assumptions and implement continuous improvement.

An introduction to Austin Energy's workforce development program, which helps engage contractors in efforts to make homes more energy efficient.

This market assessment for the St. Louis Residential Energy Efficiency Loan Program identifies the customers and potential demand for an energy efficiency upgrade financing program.