Building technology development results in significant improvements in energy efficiency, occupant comfort, and sustainability. Smart HVAC systems, energy-efficient lighting solutions, and advanced building automation provide creative approaches to maximise resource utilisation and improve living situations as they become progressively included in contemporary buildings. These advances increase operating efficiency and show a more general dedication to environmental preservation through sustainable materials and building methods. Adopting these innovative solutions will help the construction sector fulfil climate change demands and offer occupants better and more pleasant environments.