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 provides an overview of PSE&G's Multifamily Housing Program, highlighting drivers, incentive structure, results, and lessons learned.

Presentation describing AFC First's (a lender's) aggressive underwriting and smart product delivery as part of the Keystone HELP program.

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

Presentation that describes the successful elements of the Massachusetts HEAT loan program, including how it is funded and who is eligible.