Multi-Criteria Decision-Making of Countermeasure Combination for Mitigating the Stack Effect in High-Rise Office Building

Energy loss and performance deterioration caused by the stack effect are emerging issues in high-rise office buildings (HROB). However, a single countermeasure may not completely remove problems, so combinations of countermeasures often considered building commissioning or retrofit projects to achieve desired results. Therefore, comprehensive study on is necessary for final decision-making. In this study, multi-criteria decision-making model proposed, which utilized calculate ranking index assigning weights conducting analysis four criteria: infiltration energy loss, maximum pressure difference, investment cost, implementation resistance. Based two-level Fractional-Factorial design (FFD), interaction effects between were verified, regression models difference obtained as well. The cost resistance defined according investigation survey. An Analytic Hierarchy Process (AHP) was applied establish each criterion. A weighted Technique Order Preference Similarity an Ideal Solution (TOPSIS) method index. Through case HROB located northern China, it concluded that ideal combination can reduce 26.88% 87.58%, respectively, with low-level costs results indicate provides combinations, serve quantitative basis Furthermore, approach be extended other regions.