Thermodynamic analysis of a direct expansion solar assisted heat pump water heater. Journal of Energy in Southern Africa, [S. l.], v. 26, n. 2, p. 110–117, 2015. DOI: 10.17159/2413-3051/2015/v26i2a2205. Disponível em: https://energyjournal.africa/article/view/2205. Acesso em: 25 nov. 2024.