Energy efficiency evaluation method and system for household fuel cell combined heat and power building

The invention discloses an energy efficiency evaluation method and system for a household fuel cell combined heat and power supply building, and the method comprises the steps: firstly carrying out the configuration and energy efficiency evaluation of a comprehensive energy system, and then optimizing the comprehensive energy system; combining the building foundation energy efficiency and the energy utilization rate efficiency in detail through a mathematical method, determining the energy efficiency grade, giving the building evaluation benchmark, and and carrying out comprehensive energy efficiency evaluation on the building in the whole process, carrying out energy efficiency evaluation can on design indexes in the design stage, determining the energy efficiency grade of the scheme, andin the operation stage, determining multi-scale index statistics in the building, and giving a building evaluation benchmark, so that the energy utilization rate of the building is comprehensively evaluated in the whole proc