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.

Delaware Sustainable Energy Utility (DESEU) completed a process evaluation to assess the overall effectiveness of program operations. Evaluation activities included reviewing program materials, assessing the program flow, conducting in-depth interviews with program staff and implementers, and conducting surveys with contractors and customers. This report summarizes the key findings and recommendations from these process evaluation activities.

This report presents the process evaluation results on the statewide Home Upgrade Program and includes findings on program operations, participant engagement, non-energy impacts, contractor characteristics, and contractor-customer interactions.

This presentation discusses process management improvements that Arizona Public Service made to streamline their program and advance home energy upgrades.

This presentation discusses how Energy Upgrade California streamlined its program through improvements in its HPXML and IT software.

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 presentation outlines the techniques for collecting and evaluating energy efficiency program evaluation data, including data related to marketing efforts.

This presentation describes California property owners' specific interest, awareness, and perceptions regarding energy use, energy efficiency, home energy upgrades, and related topics.

This report describes California property owners' specific interest, awareness, and perceptions regarding energy use, energy efficiency, home energy upgrades, and related topics. The study results were used for program design and to design and support marketing and outreach campaigns that encouraged energy upgrades