Research On Building Energy Characteristic Of Office Building In Hot Summer And Warm Winter Zone

Building energy efficiency is an important part of the work of energy efficiency and emission reduction in China, which accounted for 20% of the total energy saving in the 11th five-year plan. The large-scale public buildings have the characteristics of huge total energy consumption, low energy efficiency and huge energy saving potential, which should be the key work of building energy field.According to the characteristics of large-scale public buildings in Hot Summer and Warm Winter Zone, this article put forward the concept of"Building energy efficient information system of the office buildings in Hot Summer and Warm Winter Zone"which provides a unity base for recognizing the main influence factors.On the basis of 62 building samples in Hot Summer and Warm Winter Zone, the descriptive analysis method used, it is pointed that the form of air conditioning system affects building energy efficient obviously. The building energy consumption of large-scale office buildings is more than the other office building. The service level of building influences the lighting system energy consumption, socket-equipment energy consumption and power equipment energy consumption obviously. The potential of energy saving of lighting system is larger and easy to carry out relatively. The indoor environment with the fission style air conditioning system is poor.Quantification theory was introduced into the energy analysis of office buildings, established the influence factors analysis model of energy consumption of office building in hot summer and warm winter zone, and pointed out the influence factors of air-conditioning energy consumption of office building in central air conditioning system and non-central air conditioning system. Principal component analysis was used to analyze the existing energy-conserving measures of the energy-conserving measures of the two types of office buildings with central air conditioning system and fission air conditioning by the dimensionality reduction. It points out that the main energy saving measures in office building between central air conditioning system and non-central air conditioning system.With questionnaire survey and analysis of different subjects of the government office buildings and the large-scale public buildings, the reason of the effect of the government office buildings and the large-scale public buildings energy-saving supervision system is not obvious and the economic incentive policy does not adapt to energy-saving demand of the government office buildings and the large-scale public buildings has been pointed. Different subjects of energy-saving service market have participated in the building energy efficiency in different degrees, which provided the foundation of promoting the government office buildings and the large-scale public buildings energy efficiency through marketization. The problem of disjunction between public buildings construction and operation and lack of publicizing and training is pointed out.The energy consumption level of the government office buildings and large public buildings were forecasted and analyzed by scenario analysis. Because of the different characteristics between the new buildings and the exist ones, scene target is formulated. Comparing with that of 2009, the energy consumption of the government office buildings will decrease 19.3% per unit area while the data of the large-scale public buildings will decrease 18.9% by the year of 2015, and by the year of 2020, the energy consumption of the government office buildings will decrease 25.6% per unit area while the data of the large-scale public buildings will decrease 24.8%. Based on objective management, energy-saving policy for the government office buildings and the large-scale public buildings is suggested.