This report was developed to help inform national stakeholders about the strategies that have been used to achieve deep energy savings in the multifamily housing sector through energy efficiency upgrades. These strategies could be used as models in areas where utility program administrators and policymakers seek to achieve deep energy savings in the multifamily building stock for the purposes of reducing energy costs, creating comfortable and healthy homes, meeting regulatory requirements, or reducing the environmental impacts of energy consumption. This report includes a national multifamily market characterization, barriers and opportunities for program and policy efforts, and eight exemplary case studies from across the country.

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 webinar covers the Multifamily Energy Efficiency Retrofits: Barriers and Opportunities for Deep Energy Savings report published in 2016.n

This peer exchange call summary focused on leveraging effective partnerships for multi-family and low-income outreach and service delivery.

This peer exchange call summary focused on strategies, challenges and opportunities in working with condominium owners and associations.

This peer exchange call summary focused on the strategies, challenges and key interaction points with the real estate sector.

This webcast explores how faith-based organizations and their partners have used energy efficiency as an organizing motivator to upgrade the institutional building and then members' homes.

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

This paper describes a wide variety of behavior change insights potentially applicable to the energy efficiency program context, provides examples of efficiency programs that have applied these insights, and explores some untapped opportunities to achieve energy savings through behavior change.

This guide provides background on the home improvement market in the U.S. and Canada and end users and systems in existing homes, as well as a description of energy efficiency program approaches and strategies.