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 Technical Reference Manual (TRM) defines the consensus calculations of the electric and natural gas energy savings and the electric demand reductions, achieved from installing energy efficiency and renewable energy measures that are supported by Focus on Energy programs.

This report identifies opportunities for Connecticut's Home Energy Solutions program (HES) to increase savings related to air sealing, duct sealing, and insulation.