Passive energy-saving buildings realized by the combination of transparent heat-shielding glass and energy storage cement

•Developed an efficient energy-saving building model based on transparent heat-shielding glass and energy-storage cement.•Halloysite nanotubes have been successfully used for energy storage cement.•Transparent heat shielding glass and energy storage cement have a synergistic effect on building temperature regulation.•The energy saving and economic payback period of the best scheme are 23.4% and 4.82 respectively.