The global drive toward sustainability and energy efficiency has accelerated the development of smart buildings integrating the Internet of Things (IoT) and Artificial Intelligence (AI). This. The Internet of Things (IoT) refers to the networking of physical devices with the Internet in order to collect data, exchange some of it between devices, and establish automated response patterns. This paper offers four keys. Energy management software monitors and analyzes usage across electricity, natural gas, fuel oil, propane, coal, wood, steam, water, wastewater, irrigation and refuse.