Influence of natural ventilation on indoor thermal environment of residential buildings in winter in North China

Tests the indoor thermal environment parameters in three residential buildings in Lanzhou under different natural ventilation modes. Analyses and evaluates the test results from the aspects of energy consumption, thermal comfort and artificial adjusting convenience. Obtains the influencing characteristic of outdoor environment parameters on indoor thermal environment conditions in different artificial adjusting modes. Concludes the ideal adjusting mode of indoor natural ventilation in non-conditioned residential buildings in winter in cold areas from the aspect of thermal environment.