Chen et al. [47] performed correlation analysis among house-
hold variables and energy consumption, and used a multivariate regression analysis to explore the
overall effect of socio-economic and behavioral variables on residential energy consumption of
conditioned space in China. The data was obtained from surveys applied to 642 households during
winter and 838 household during summer in the city of Hangzhou. Based on the results obtained, they
point out: (1) socio-economic parameters explain 26.3% of variation in energy consumption of the
conditioned space, which increases up to 28.8% when behavioral variables are included, (2) income
accounts for 18% of variation in air condi- tioner, and (3) floor area accounts for 44% of variation
in air
conditioner.