GLRPPR Sector Resource: Cost Effectiveness of Home Energy Retrofits in Pre-Code Vintage Homes in the United States
Cost Effectiveness of Home Energy Retrofits in Pre-Code Vintage Homes in the United States
This analytical study examines the opportunities for cost-effective energy efficiency and renewable energy retrofits in residential archetypes constructed prior to 1980 (pre-code) in fourteen U.S. cities. These cities are representative of each of the International Energy Conservation Code (IECC) climate zones in the contiguous United States. The analysis is conducted using an in-house version of EnergyGauge USA v.2.8.05 (named CostOpt) that has been programmed to perform iterative, incremental economic optimization on a large list of residential energy efficiency and renewable energy retrofit measures. The principle objectives of the study are to determine the opportunities for cost-effective source energy reductions in this large cohort of existing residential building stock as a function of local climate and energy costs; and to examine how retrofit financing alternatives impact the source energy reductions that are cost effectively achievable.
U.S. DOE Building Technologies Program
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