WIDODO; NULHAKIM, Lukman; SYAFRIZAL; TAUVANA, Ade Irvan; KURNIA, Deva Arya; ASMORO, Purwandito Tulus. Analysis of the Effect of Adding a Water Heater to the R290 Split Air Conditioning Instead of R22. Piston: Journal of Technical Engineering, [S. l.], v. 8, n. 2, p. 84–89, 2025. DOI: 10.32493/pjte.v8i2.48846. Disponível em: https://openjournal.unpam.ac.id/index.php/Piston/article/view/48846. Acesso em: 4 feb. 2026.