本研究針對節能空調系統作研究，針對目前民生用電在空調方面的需求，自行建構一個可獨立發電並可依各種使用地區或環境移動的空調系統，使用太陽能模組以及PWM、蓄電池，加上空調系統基本四大元件，包含壓縮機、冷凝器及蒸發器、毛細管，來組裝完成。
第一次組裝完成後，蒸發器入口端出現結冰現象，蒸發器致冷能力不明顯，種種現象顯示冷媒量不足，且高低壓壓差過大，造成壓縮機負擔。進行第二次充填冷媒後，結冰情況消失，壓差降低，蒸發器出口處有明顯溫差，運轉一小時後，在室溫22.5℃量測各元件工作溫度及壓力，得到12.5℃的蒸發器出口溫度，並對照飽和蒸汽表查詢各工作元件焓值，得出COP為1.14，工作電壓12伏特，工作電流為3.35安培，在容量50Ah蓄電池90%的狀態下，約可獨立運轉13.4小時。

Due to global warming effect, the summer time becomes longer and hotter than ever before. Thus, the demand of air conditioners increases continuously. In 2017, Taipower has exceeded the maximum load in history and shows that the electricity demand in summer has been insufficient. According to the record, the total load difference in summer and winter is nearly 6000 kilowatts. If part of the air conditioning power demand can be separated from the main electricity power consumption by using solar energy, the electricity loading will be reduced considerably.
In this study, an air conditioning system using solar power is developed. In the design stage, simulations were performed to calculate the heat transfer rates. Moreover, Danfoss Dancap capillary simulation software was used to determine the capillary requirement. The developed air-conditioning system performed well if the capillary and refrigerant capacity are properly adjusted. With the environmental temperature of 22.5℃, a cooling temperature difference of 10℃ can be obtained. The corresponding COP is 1.14 while the battery can last about 13.4 hours after sunset under the operation conditions 12V and 3.35A.

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