Achieving energy savings goals and improving customer and contractor satisfaction while staying cost-effective makes managing home energy upgrade programs challenging. DOE's Home Upgrade Program Accelerator is working with program administrators to identify strategies that overcome challenges and achieve better results. The Arizona Home Performance with ENERGY STAR program completed process improvements that improved contractor satisfaction and deceased quality assurance labor.  Build It Green implemented software improvements to their utility program's online rebate applications portal to accelerate data processing.

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.