Open Access

Table 5

Comparison of this study with other investigations.

Research Region Technical specification Outdoor temperature (°C) The coefficient of performance (COP)
Present work Tunisia Wall radiator panel with HGSHP 6.27−20.91 6.19−6.47
Shao et al. [16] China Refrigerant-heated radiator with ASHP −9.2−14 1.7−3.5
Zhang et al. [26] China Thermal storage refrigerant-heated radiator with ASHP −18.4−6.9 1.8−4.2
Xu et al. [14] China Heat pipes radiator with ASHP −15−0 2.55−1.4

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