根據台電工程月刊的97年度家用電器普及狀況調查指出，台灣家用電冰箱普及率高達90.1%，電冰箱早已成為家中必備的家電產品之一，且因其使用特性具有持續性，故長久下來，其年耗電量相當可觀。因此本研究以電冰箱為研究對象，並利用問卷工具探討台灣實施強制性能源效率分級制度後，消費者對能源效率分級電冰箱之願付價格分析與計算各級電冰箱生命週期成本與投資回收期間年。
　　本研究願付價格評故法結果顯示，雖受訪者對於四級與五級產品之間的價差願付價格比本問卷設定的起始價格高，但受訪者對於價格偏高的四級產品的願付價格仍嫌不足。雖現今臺灣民眾對於環保意識已有一定的常識與節能產品的需求，惟願付價格仍嫌不足，故政府當前的補貼措施，為有必要推動電冰箱能源效率分級標章四級以上產品購買政策。本研究發現民眾對於節能家電已有既定的立場，政府所提出之政策或補貼措施，並不會影響到大部分民眾的購買既定購買行為，補貼政策只能使願意購買較節能產品或願意接受節能產品的民眾購買「更加節能的產品」，而無法影響其他民眾心中定見。故政府應從民眾的教育從小教起，讓節能減碳與環境保護的概念與重要性深入人心，才能使政策達到良好效果。

　　As the family income increased and the hot weather of Taiwan, refrigerators were the most common household appliance in Taiwan had been for almost a half prior. However ,the long-term use characteristic consumed lot of energy. During the summer 2010, government enforced the regulations of two appliances(air conditioner and refrigerator)are required to have Energy Efficiency Rating Label affixed could be sold in Taiwan market, in order to address sustainable consumption and the role of consumers in environmental conservation. For those reasons, my study chose refrigerators as the products being examined.
　　This study used questionnaire survey to know the willingness to pay (WTP) of Energy Efficiency Rating Label for Refrigerator. And calculate the Potential benefits from improved energy efficiency of refrigerators, estimates the minimum Life-Cycle Cost option and payback year for each product class. This study used data from the Energy Efficiency Rating Label Web site listed in the catalog of all rating refrigerators and famous Auction Websites listed in the price. The results showed that consumer’s WTP of more efficiency rating-four products compared to our study date didn’t enough. Therefore, government have to enforce subsidizing energy efficiency policies to encourage consumers willing to buy more efficiency refrigerators and teach people the important of the efficiency products and the energy-saving.

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