Investment and Economy Analysis of Water-Source Heat Pump System in Chongqing, China

Table 2

The design system EER of traditional HVAC system.

Building function	Building number	Average design system EER in summer*	Average design system EER in winter*
Market	26	2.9	—
Hotel	12	2.56	1.62
Office	122	2.71	1.58
Average		2.72	1.6

∗Water-cooled chillers in summer and boiler in winter.