近年來由於氣候變遷與熱島效應，極端氣候的形成逐漸彰顯，導致致命性的天災頻率增加。對於這個現象，國際間許多學者致力於節能、減碳、都市氣候的調節研究，試圖找出導致地球溫升的原因並尋求因應對策。為了使地球增溫的速度減緩，國際間積極推動友善的氣候環境相關的公約，各國也致力於法規制定與執行目標的達成年限。對於導致都市溫升的原因有太陽的輻射熱、建築本體蓄熱、工廠與交通及使用空調的人工排熱，本研究將進行都市高溫化下之空調排熱分析。
空調排熱是導致都市熱島效應與氣候變遷的重要因素。過去許多研究，都採用都市的氣候資料，結合都市能耗與都市冠層進行建模，利用模擬軟體進行運算評估空調排熱對於都市溫升的趨勢，推估並呈現都市溫升程度的結果。本研究評估空調排熱對於都市環境的影響，為了呈現都市建成特徵的現況，採用實地勘察進行空調排熱型式的盤點的研究方法。首先，由地政機關地圖選取街廓研究樣本。其次，進行實地拍攝，盤點空調排熱類型。第三，依空氣熱力性質計算空調排熱密度，繪製空調排熱地圖。最後，在建築面積大於150m2的規模，評估採用潛熱取代顯熱排放，減緩戶外環境熱壓力。透過本研究的結果:1.在住宅使用分區以顯熱排放的比例為91.57%，在商業使用分區的比例為67.76%。2.發現空調排熱熱點與都市高溫化的位置接近。3.經過假設評估結果，在住宅使用分區減少排熱為2.58%，商業使用分區減少4.36%。

In recent years, due to climate change and the heat island effect, the formation of extreme climates has gradually emerged, leading to an increase in the periodicity of fatal natural disaster. As for this phenomenon, scholars around the world are committed to the research of energy conservation, carbon reduction, and urban climate adaptation, and trying to discover the reasons for rising temperature and looking for countermeasures. In order to slow the warming of the earth, the international communities actively promote climate-friendly conventions, and countries are also committed to the establishment of law and regulation and the achievement of the implementation target. The reasons that caused the rise of urban temperature are radiant heat from the sun, the heat storage of buildings, the artificial exhaust heat from factories, traffics, and the use of air conditioning. This research will conduct the analysis of heat exhaust from air conditioning under urban high temperature. Air-conditioning exhaust heat is an important factor leading to urban heat island effect and climate change. Many past studies have used urban climate data combined with urban energy consumption and urban canopy to create models, and used the trend of air-conditioning exhaust heat on urban temperature rise, and estimate and present the results of urban temperature rise. This study assesses the impact of air-conditioning exhaust heat on the urban environment. In order to present the current status of urban construction characteristics, the research method of field survey and inventory of air-conditioning heat exhaust types is adopted. First, select the street profile research sample from the map of the Land Administration agency. Secondly, take on-the-spot photographs and check the types of air-conditioning exhaust heat. Third, calculate the air-conditioning exhaust heat density based on the thermal properties of the air and draw the air-conditioning exhaust heat map. Finally, buildings with floor areas larger than 150 m2 are evaluated using latent heat replacing by sensible heat to reduce outdoor heat stress. Through results of this study are the following 1. The proportion of heat exhaust via sensible heat in residential zoning is 91.57%, and the proportion in commercial zoning is 67.76%. 2. The hot spots of air conditioning exhaust heat is close to the areas under urban high temperature. 3. Based on the hypothetical, the heat exhaust in residential zoning reduces by 2.58% and commercial zoning by 4.36%.

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