Kawai acoustic and digital pianos generally maintain strong residual and resale values on the pre-owned market, provided the instruments have been properly maintained, regularly tuned, and kept in stable environmental conditions. Because Kawai incorporates advanced proprietary materials—such as their renowned Millennium III carbon-fiber composite action parts—the mechanical components resist warping due to humidity shifts better than traditional wood-only actions. This structural durability, combined with the brand's stellar reputation among professional musicians and music conservatories, ensures that well-kept Kawai pianos retain a significant portion of their original purchase value over decades of use.