Due to the COVID-19 pandemic, the world's population has undergone different changes in which an impact on the use of the internet stands out from daily aspects such as education, commerce, health, among others; which has made us highly dependent on its usage. In this regard, the term Internet of Things (IoT) has been increasingly recognized for its contribution to improving people's life quality, through objects that are integrated and connected to the Internet. This document aims to introduce alternatives for IoT-based home automation making use of NodeMCU, Sinric Pro, and smart voice assistants such as Google Home and Alexa. The proposals are efficient in terms of easy implementation and reduce electricity consumption by around 30%. This document is research that helps families improve their energy efficiency and daily productivity through IoT.