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.
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Quick summaries of strategies various programs have used to improve the efficiency of delivering efficiency.
This annual report summarizes the program's accomplishments in 2012, including the number of home upgrades, the cumulative amount of private investment leveraged for energy efficiency improvements, cumulative annual cost savings for building owners, and jobs created. It also includes testimonials from LEAP customers.