1.以EUI值比較用電量得知，小型辦公類建築〉中型辦公類建築〉大型辦公類建築。代表小型辦公類建築平均用電量為最高，大型辦公類建築為最低。 2.以PMV-PPD值比較人體舒適度和不滿意度得知，小型辦公類建築〉中型辦公類建築〉大型辦公類建築。表示人體舒適度以小型辦公類建築為最好，大型辦公類建築為最差。 3.整體而言，綜合以上之EUI值與PMV-PPD值比較結果於冷涼期未開空調的情況下，以中型辦公類建築為最好。中型辦公類建築其面積大都為矩型空間且二側開窗距離適中，易讓自然風流入來調節室內環境，較容易同時滿足人體舒適度與較低的能源耗損。 Buildings have reached saturation state for the last decade in Taiwan.Major energy consumption generally does not concern energy saving issues particularly for old buildings which are accounted for 97% of all. This study is to detect and analyze problems of energy consumption in Taipei City administrative office buildings. As a doctor has to know the symptoms in order to diagnose and give treatments to diseases, problems for energy consumptions have to be detected and solutions evaluated before they are solved.
The research uses district office space in Taipei City as samples for detecting and diagnosis energy consumption problems. Case studies and documents are reviewed to understand strategies and methods employed in office energy conservation in Taiwan. EUI data are collected to evaluate energy efficiency in office spaces. Temperature, humidity and wind speed are measured and recorded on site in the cold term for PMV-PPD calculation to generate comfort evaluation indexes. In the mean time, on site interviews are also conducted to understand real users’ immediate experience. The following results are concluded based on statistical data analysis：
1.Small office buildings have highest EUI values followed by medium-size and large size office buildings, indicating that small office buildings are in fact most energy consuming while large office are more energy efficient. 2.PMV-PPD values suggest that small office buildings have best human thermal comfort level, followed by medium-size office buildings and large office buildings. 3.Based on the above findings, medium size office buildings are considered most energy efficient without air conditioning in the cold terms due to fenestration distance between the two laterals of a building which allows natural ventilation for less energy consumption as well as better human thermal comfort level.
