Overview

Home automation or smart home is the residential mini-solution for building automation and involves the control and automation of lighting, heating (such as smart thermostats), ventilation, air conditioning (HVAC), and security, as well as home appliances such as washer/dryers, ovens or refrigerators/freezers that use Wi-Fi for remote monitoring.

Modern systems generally consist of switches and sensors connected to a central hub sometimes called a "Gateway" from which the system is controlled with a user interface that is interacted either with a wall-mounted terminal, mobile phone software, tablet computer or a web interface, often but not always via internet cloud services.

Hotel room energy Management is the practice of controlling procedures, operations and equipment ... detect occupancy to control the Heating, Ventilating and Air Conditioning systems (HVAC) when guests forget to switch off when they leave their room. Turning off the lights when a room is not occupied called smart lighting.