An analysis of the energy-saving renovation of existing farmhouses in Guanzhong area based on DeST

According to the 2022 China Building Energy Consumption and Carbon Emissions Research Report, the total energy consumption of the whole process of buildings in China accounts for 45.5% of the total energy consumption of the country, and the total energy consumption of both rural houses accounts for 26.8% of the total energy consumption of buildings in the country, so it is necessary for the energy-saving renovation of existing rural houses. Taking a rural house in Guanzhong area as the research object, this paper uses DeST-h software to simulate and analyze the building load of the existing farmhouse, explores the impact of energy-saving construction of the outer envelope structure on the energy consumption of the building, and proposes three energy-saving renovation schemes with high energy saving and reasonable cost through comparative analysis, and the energy-saving efficiency reaches 43.29%, 52.06% and 56.02% respectively.