This study aims to determine some efficient and economic strategies for traditional dwellings in northeast of Sichuan hills, China to lower their energy demand. In addition, energy-saving effects and economic performance need to be simultaneously assessed, therefore we carried out the thorough works on tech-economic evaluation of each energy-saving strategy. Eventually, we obtain a set of effective and economic energy-saving strategies and the research results can provide valuable references for decision-makers to select appropriate energy-saving strategies to reduce the energy demand of traditional dwellings, lower the economic burden for renovation and save more money. The significance of this study is to determine the optimal parameters for each energy-saving strategy, and propose the most economic retrofit strategy for traditional dwellings in this region. Results can help residents and decision-makers select the relatively appropriate energy-saving strategy to retrofit traditional dwellings in this region, and thereby decrease the energy demand of the building.北九州市立大
