Avaliação financeira de um projeto de casa inteligente para uma residência no Ceará

Smart homes are a trend worldwide. They allow optimized energy usage, allowing households to reduce electricity bills or even make profits. The number of smart homes in US and UK attained 40.3 million and 5.3 million, respectively, in 2018. By 2024, 53.1% of all households in US and 39% in UK will be expected to become smart homes. However, in Brazil, there are only 1.2 million smart homes registered in 2018. Although smart homes seem to be the future for homes, many customers have the perception that a transition from current homes to smart ones is unprofitable due to the amount of initial investment required and the risk of no returns to cover this investment. This paper proposes a case study with the goal to evaluate the profitability of many projects of smart homes implementation to a given house in Ceará. Focusing on the net present value maximization, the results indicate the set of home appliances/technologies that should be acquired so that the investment made by the householder has a positive financial return.