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The greenhouse effect it the most basic work principle of the passive solar house The passive solar house provide indoor heating relying on natural circulation, without any other mechanical power, with the excess heat stored in the walls, ceilings and ground hot body to radiate heat into the room at night, to maintain a certain temperature. It takes in, keeps, stores and distributes solar thermal energy by reasonable arrangement of building orientation and surrounding environment, smart manipulation of the inner and outer space and the proper selection of the building materials, structure and construction, so as to solve the problem of building heating. The heat collection and storage of the passive solar house mainly uses the building envelop walls or windows or the simple tablet device as a heat collector, which can be freely controlled by people, without the complex mechanical equipment and complex pipe ventilation system. The test takes a residential building as example for energy consumption simulation and from the results; we can obtain the temperature distribution in each room and the distribution of the annual heating and coldness load. Study the effect on the room temperature and reducing heating energy consumption by the different ways of thermal insulation.