Usage Patterns of Air Conditioning System for Typical Types of Occupants and Their Interactive Features in Residential Buildings - A Case Study in Hangzhou, China

The usage pattern related to air conditioning (AC) can significantly influence the energy consumption of residential buildings in HSCW zone. A survey, consisting of the general information about the household and building characteristics, occupant behavior of controlling AC and occupants’ reactions to others’ requirements, has been carried out in Hangzhou in order to develop the database of AC usage patterns in this district, analyze the characteristics of AC usage of typical types of occupants (including children and teenagers, youth, middle age and elder) and their interactive features. The survey results indicate that in contrast to the children and teenagers, the elders prefer a relatively high outdoor temperature to start using AC, as well as the setting temperature. Meanwhile, the majority of them use the AC for a shorter time compared to other three types of occupants. At the same time, youth and middle-aged people would like to use AC for a long time and maintain a medium temperature and. Besides, these four typical occupants have a similar attitude on the operating of AC when there is someone else in the same space. Over 75% of respondents take others’ feeling into consideration and share their opinions with their family members regarding turning on/off the AC and the setting temperature, which may change the operation patterns of AC.