This report consists of a literature review and in-depth interviews with subject matter experts in the Home Performance with ENERGY STAR (HPwES) program area. The goal was to compare Delaware Sustainable Energy Utility (DESEU) HPwES Programs with peer-programs across the United States. The report also identifies key metrics and emerging trends regarding program design.

This report, informed by leading research and real-world examples, highlights practical online and in-person tactics that contractors can use to promote social interaction and social comparison among homeowners to make energy upgrades a "must-have" in U.S. homes.

This packet contains all the contractor reporting and verification forms required by Energy Impact Illinois.

There are more than 17 million multifamily households nationwide, yet they remain a significant and mostly untapped opportunity for energy efficiency gains. Many cities and states that have embraced energy retrofitting as a job creator and boon to both the environment and economy have yet to address potential savings in multifamily properties, primarily because of obstacles not faced by single family and commercial properties. This paper discusses two barriers -- a lack of information and financing -- that stand in the way of multifamily energy retrofits.

This article provides 10 tips home energy contractors can use to update their marketing outreach and improve their customer service.

Presentation that provides an overview of the Energy Savers Program (Illinois), including services, benefits, and success stories.

This document provides an overview for incorporating workforce development principles into projects.

This presentation provides the results of a 1,600-person survey of mid- to high-income households conducted by Energy Impact Illinois (EI2) to gauge attitudes toward home improvements and energy efficiency upgrades.

An overview of tools and approaches used to transform the energy efficiency market in Chicago.