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 Guide is designed to help state and local policymakers to take full advantage of new policy developments by providing them with a comprehensive set of tools to support launching or accelerating residential energy efficiency programs. The Guide focuses on four categories of policies that have proven particularly effective in providing a framework within which residential energy efficiency programs can thrive: incentives and financing, making the value of energy efficiency visible in the real estate market, data access and standardization, and supporting utility system procurement of energy efficiency.

This resource provides best practices and highlights case studies for how utilities, policymakers, building managers, and community stakeholders can improve access to energy usage data while working towards the goal of improving efficiency in their communities.

This summary report provides scientific results, lessons learned, and recommendations for driving energy efficiency in existing buildings on an urban scale. It includes program marketing lesson learned, such as: personal outreach and call to action events are critical marketing opportunities.

Quick summaries of strategies various programs have used to improve the efficiency of delivering efficiency.

This report provides results, lessons learned and recommendations for driving energy efficiency in existing building on an urban scale based on the second year of the Energize Phoenix energy efficiency program.

This report provides results, lessons learned and recommendations for driving energy efficiency in existing building on an urban scale based on the first year of the Energize Phoenix energy efficiency program.

This report describes different approaches to energy efficiency finance taken by utilities.

This guide helps states and localities develop voluntary or mandatory programs that go well beyond minimum code requirements for new buildings. It addresses energy efficiency materials and resource conservation, water efficiency, indoor environmental quality, and site development and land use.