Long-Term Performance Analysis of Direct Photovoltaic Thermal-Assisted Heat Pump Water Heater Using Computational Model

Table 1

COP of the heat pump as a function of ambient and hot water temperature.

Ambient temperature (°C)	Inlet water temperature (°C)
	25	32	40	43	50
7	4.05	3.5	2.92	2.7	1.98
15	4.76	4.22	3.62	3.32	2.68
25	5.82	3.36	4.41	3.36	3.1
35	—	—	4.72	4.31	3.4