Indoor thermal environment of rural residences in a coupled heating pattern of passive solarcollected wall and ovenkang combination

For rural residences in Dalian area, based on field measure and questionnaires, investigates the indoor thermal environment in the coupled heating pattern by the data of indoor temperature and relative humidity, surface temperature and operation mode of kang, and human’s activities, etc. The results show that the effect of the coupled heating pattern is superior to that of single kang pattern, and that the former could save coal for heating by about 50% while its initial investment increases by only 10%.