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.

Presentation describing NYSERDA's alternative underwriting approach for its target market.

This policy brief describes how NYSERDA's Assisted Home Performance with ENERGY STAR Program increases access to financing through tiered underwriting criteria.

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

An overview of ENERGY STAR remodeling options and the associated cost savings.