Pane, A.R., Patra, O. , Nugraha, E. and Suryana , H. 2026. Increasing The Competitive Advantage of PT. XYZ Through Product Differentiation For HVAC Chiller (HRS) Systems. Eduvest - Journal of Universal Studies. 6, 1 (Jan. 2026), 1204–1218. DOI:https://doi.org/10.59188/eduvest.v6i1.51977.