The Application of Energy Saving Technology of Passive Ultra-low Energy Building in Energy Saving Renovation of Existing Residential Buildings

Taking the design of energy-saving renovation of the family building of Hebei Academy of Building Research as an example, this paper introduced the application of passive ultra-low-energy building in the energy-saving renovation of existing residential buildings, including energy-saving renovation of exterior walls, energy-saving renovation of roof, energy-saving renovation of exterior doors and windows, energy-saving renovation of heating system. The demonstration project will provide technical support for the energy-saving renovation of existing residential buildings in China.