Cost-effectiveness of high-efficiency appliances in the U.S. residential sector: A case study
This paper presents an analysis of the cost-effectiveness of high-efficiency appliances in the U.S. residential sector using cost and efficiency data developed as part of the regulatory process of the U.S. Department of Energy's Appliances and Commercial Equipment Standards Program. These data are presented as a case study in the development of an ‘efficiency technology database’ which can be expanded and published as a resource to other researchers and policy makers seeking scenarios that optimize efficiency policies and forecast their likely impacts on energy demand and greenhouse gas emissions. The use of this data to evaluate cost-effectiveness according to a variety of metrics is demonstrated using the example of one refrigerator–freezer product class. Cost-effectiveness is then evaluated in terms of cost of conserved energy for refrigerators, room air conditioners, water heaters, cooking equipment, central air conditioners and gas furnaces. The resulting potential of cost-effective improvement ranges from 1% to 53% of energy savings, with a typical potential of 15–20%.
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