ESTUDO DE EFICIÊNCIA ENERGÉTICA E VIABILIDADE DA SUBSTITUIÇÃO DE UMA MÁQUINA DE LAVAR ROUPAS ANTIGA POR UMA NOVA

The growing awareness among people about the importance of energy efficiency and the responsible use of resources has directly impacted households, leading to increased efforts to adopt practices and technologies that promote sustainability and waste reduction. This article aims to analyze, through a case study, the efficiency and economic feasibility of replacing an old washing machine with a more modern and efficient model. Energy and water consumption were evaluated, as well as the acquisition cost of a new machine and the savings generated over 20 years of use. The research revealed that upgrading to an efficient model can significantly reduce energy and water consumption and provide financial benefits in the medium term. The results show that the return on investment occurs within 7 to 9 years, depending on the machine model.