Flow rate Mass transfer 5 Humans 3 Photovoltaic thermals 3 Uncertainty analysis 3 human 3 Air 2 Bi-fluid 2 Calibration 2 Control approach 2 Controllers 2 Cooling 2 Cooling fluids 2 Cost analysis 2 Cost benefit analysis 2 Cost reduction 2 Energy systems 2 Flow of water 2 Heat pump systems 2 Heat pumps 2 Mean absolute percentage error 2 Measurement uncertainty 2 Operating cost analyse 2 Operating costs 2 Outdoor 2 PVT 2 Photovoltaic/thermal systems 2 Pumps 2 Reinforcement learning 2 Reinforcement learning approach 2