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 policy brief describes the energy efficiency financing options programs can use to help financial institutions make energy upgrades affordable and accessible to homeowners.

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

This report shares strategies for marketing local energy efficiency programs, particularly through focused messaging, leveraging partnerships, and social media.

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 an assessment of various approaches to Marketing & Outreach for home energy efficiency improvements.

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.