Raw data for: Performance of a greenhouse heating system utilizing energy transfer between greenhouses based on the dual source heat pump

The datasets are briefly illustrated as follows:1_Outdoor climate: Outdoor climate during greenhouse heating seasons in Shouguang, Shandong Province, China (December 23, 2020 - January 25, 2021)2_Multi-span greenhouse climate: Air temperatures inside the heated multi-span greenhouse.3_Daily nighttime climate: Daily nighttime (9:00 pm -9:00 am) air temperatures of the heated multi-span greenhouse.4_Daily performance of system: Daily thermal performance of the system, including heat collection in the CSG air source heating mode, the total heat collection, the heat released to the multi-span greenhouse, and the heat release rate to the multi-span greenhouse.5_Daily performance of DSHP: Daily thermal performance of a dual source heat pump (4#W), including the heating time, heat collection, and COP.6_Performance in heating modes: Heating capacity and COP of the dual source heat pump with two modules using two heat sources simultaneously.7_Performance under weathers: Heating capacity and COP of the dual source heat pump under various outdoor temperatures and solar radiation conditions.8_Climate inside CSGs: Climate inside solar greenhouses, including air temperature and solar radiation.9_Module 01 performance: Heating capacity and COP of the dual source module corresponding to the inlet water temperature and heat source temperature.10_Surplus heat collection rate: Heat collection rate of the dual source heat pump in CSG air source heating mode.