Residential lighting and appliance market transformation programs often focus their efforts on the retail market for Energy Star~(~R) qualifying products. Because of the emphasis on increasing retail sales, the measurement of program effects on sales of qualified products at participating stores is a key indicator of program success. This paper discusses recent efforts to collect and analyze appliance and lighting sales records from stores in the northeastern U.S. This analysis provides insight on the impact of programs on the rebated and un-rebated sales of qualified products at retail stores.
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