Estimation of CO₂ Reduction Effects Due to the Home Appliance Replacement Policy in China

Abstract

 In this study, effects were evaluated of CO2 emission reduction due to home appliance replacement policy. The study estimated the average life time under two cases: a normal case and a replacement case were determined according to a local survey and then, based on the results, the investigation made clear the replacement volume due to the policy. Air conditioners were used as an example and the used stock, volume of sales and Weibull function were used to estimate the stock for each shipping year. Finally, using the electricity consumption by year the CO2 emission in these two cases was determined. The results showed that because of the replacement policy, energy-saving products spread quickly, achieving CO2 emission reduction of about 100 million tons when air conditioners were used.