Smart Buildings: what are they used for, benefits and an example

New technologies and building automation are enabling the evolution of buildings into smart buildings. Let’s delve into what is meant by a smart building, its benefits, and how it’s possible to transform buildings into intelligent ones through automated remote management of systems using BIM IoT platforms.

Managing technological systems of a smart building

What is a Smart Building?

A smart building, or intelligent building, is a structure that employs advanced technologies, sensors, and control systems to enhance energy efficiency, comfort, and occupants’ safety. These buildings are designed to be connected, integrated, and interactive, enabling optimized resource management and improved quality of life for users.

Visualization of sensor data on the 3D model of a smart building

Examples of Smart Buildings

Some examples of smart buildings include skyscrapers with intelligent facades that automatically adjust light and heat based on external weather conditions, buildings with heating and cooling systems that adapt to occupants’ needs, and structures with lighting systems that self-regulate based on people’s presence and activities.

Features of Intelligent Buildings

Smart buildings can encompass a wide range of technologies and solutions, including:

• sensors and IoT devices (Internet of Things) for real-time monitoring and control of environmental conditions;
• energy management systems to reduce consumption and CO2 emissions;
• automation of security functions, such as surveillance cameras and access control;
• integration with smart grids for distributed energy management and participation in demand response programs;
• sustainable mobility solutions, like electric vehicle charging stations and bike-sharing infrastructure.

Smart Building: 5 Advantages of Intelligent Buildings

Smart buildings offer numerous advantages over traditional constructions:

• greater energy efficiency: through the use of sensors, IoT devices, and advanced control systems, smart buildings can significantly reduce energy consumption and CO2 emissions;
• occupant comfort and well-being: a well-controlled and personalized environment can enhance air quality, temperature, and lighting, contributing to users’ physical and psychological well-being;
• reduced operating costs: automation and optimization of building management functions can lower maintenance, energy, and human resource costs;
• security and protection: integrated and automated security systems can enhance the protection of occupants and properties;
• environmental sustainability: by using eco-friendly materials and technologies, smart buildings can reduce environmental impact and promote long-term sustainability.

In fact, a smart building can be fully managed remotely using BIM IoT platforms, enabling tasks like:

• managing video surveillance and intrusion detection systems;
• adjusting shading systems (blinds, shutters, etc.) based on natural light conditions;
• controlling indoor climate (heating, cooling, humidity, etc.) in relation to external temperature;
• managing lighting and appliances according to users’ needs;
• detecting fires and alarms;
• monitoring indoor air quality;
• and more.

What Are Building Automation Systems and BMS (Building Management Systems)?

Building automation systems comprise technologies and devices enabling centralized and automated control of building systems and functions. These systems are often integrated into a BMS (Building Management System), a software platform allowing operators and managers to monitor, manage, and optimize building operations.
The BMS may include functions like lighting control, heating, air conditioning, ventilation, electrical energy, security systems, and communication networks. By integrating these functions, the BMS enhances energy efficiency, reduces operational costs, and ensures a comfortable and safe environment for occupants.

Currently, with a platform for IoT device control, it’s possible to manage all sensor data and building automation systems directly from the digital twin of the building. The 3D model becomes the digital twin of the real building, dynamically responding to events generated by IoT devices in real time.

Data collected by sensors are transmitted in real time to the application, where they are acquired, analyzed, and directly displayed on the 3D BIM model.

This way, the BIM model transforms into a dynamic model, updating its characteristics based on data from each sensor.

Real-time changes facilitate control and monitoring even of large and complex buildings.

Managing the real model using a dynamic connection with its virtual twin and usBIM.IoT

Smart Building and BMS: A Practical Case

An implementation example of a smart building is the integration between Schneider Electric’s building management system (BMS) EcoStruxure and ACCA software’s usBIM platform. This solution enables operators to monitor and control building operations in real time, optimizing resource utilization and enhancing occupant comfort. Additionally, with the user-friendly interface of usBIM, accessing building information becomes simple and intuitive.
The integration between the usBIM platform and Schneider Electric’s BMS creates the true digital twin of the building, allowing control of all its technological systems (climate, electrical distribution, control panels, lighting, etc.). All systems are integrated into a common platform that maximizes building comfort and efficiency, turning it into a true smart building.

The integration between the two platforms provides managers, owners, and occupants with all the tools they need to monitor and manage their buildings. Through a visual interface, all technological systems can be easily controlled. For instance, the rooms in the 3D building model change color to indicate whether the environment is too hot or cold or if lighting levels are appropriate for the activity. Interacting with the system is straightforward, requiring only a common smartphone or tablet to adjust desired values and verify environmental comfort.

Interaction with the building can also include booking a meeting room in the facility for a specific date and having complete control over parameters regulating the comfort of that particular space.

The Future of Smart Buildings

The future of intelligent buildings holds great promise. With evolving technologies and increased awareness of the importance of sustainability and energy efficiency, there is likely to be a significant growth in the number of smart buildings constructed and renovated. Furthermore, the integration of artificial intelligence, machine learning, and blockchain could lead to new levels of automation, customization, and security in future constructions.
Emerging trends in the smart building sector include:

• near-zero-energy buildings (nZEB): structures designed to minimize energy consumption and CO2 emissions, utilizing renewable energy sources and sustainable construction techniques;
• adaptive and resilient constructions: buildings designed to adapt to changing climatic, social, and economic conditions while ensuring occupant safety and well-being;
• integration between smart buildings and smart cities: connecting and interacting smart buildings with urban infrastructure could lead to more efficient resource management and a better quality of life for citizens.

The integration of BIM and IoT for advanced building management: the usBIM.IoT and Schneider Electric case study

Technological evolution in the construction sector finds its fullest expression when academic research and industrial innovation merge to redefine the boundaries of real estate management.

This case study is born from the strategic synergy between three leading players:

• ACCA software, a pioneering company in the development of the openBIM usBIM.IoT platform, capable of enabling real-time communication between 3D geometric models and intelligent sensors;
• Schneider Electric, a multinational leader in digital energy transformation and automation, which has integrated the supervisory capabilities of its EcoStruxure Building Operation BMS into the system;
• University of Rome “La Sapienza”, the excellence institution that hosted the field experimentation within its department and laboratory.

Together, these entities demonstrate how the combination of advanced software, cutting-edge automation, and scientific research can transform the theoretical concept of the Digital Twin into an operational and revolutionary reality for modern construction.

The smart building meaning and the revolution of openBIM platforms

The digitization of the construction sector has made the smart building a tangible and essential reality for the future of architecture. If we want to analyze the deeper smart building meaning, we refer to a structure that employs advanced sensors, automation, and integrated control systems to maximize energy efficiency, safety, and the well-being of occupants. Today, this vision makes a decisive leap forward thanks to smart buildings IoT systems, where data from the physical world merge in real time with 3D digital models. A perfect example is represented by ACCA software’s openBIM usBIM.IoT solution, which allows for direct connection of the IFC model with IoT devices in the field. Through an intuitive interface, the user sees the 3D model of the project on the left and a series of graphical widgets uniquely linked to specific IFC entities (such as IFCSensor, IFCProxy, or IFCSpace) on the right, monitoring data flows in real time.

Bidirectional control and the evolution of smart building design.

The integration of this platform with an outstanding Building Management System (BMS), such as Schneider Electric’s EcoStruxure Building Operation, elevates the approach to smart building design to a higher level. It is not just a simple passive visualization of metrics: the system enables bidirectional and dynamic interaction between the model and physical devices. By acting directly on the dashboard widgets (even from a smartphone or tablet thanks to responsive interfaces), the operator can send real commands, such as turning on or off a light point or adjusting a thermostat. This action is immediately reflected in the virtual model through a color change of the elements (for example, lights changing from white to yellow). Similarly, if a user intervenes on the physical switch in the real world, the information is instantly reflected on the 3D model, realizing the concept of a true Digital Twin of the work.

Real use cases and successful smart building examples

The effectiveness and versatility of this ecosystem are clearly demonstrated by analyzing concrete application scenarios such as the case of residential monitoring for three units and the research project from the University La Sapienza.

Residential monitoring for three units – in this application, the focus was on temperature, humidity, and electricity consumption. The color of the rooms (IFCSpace) automatically varies according to a predefined color scale (from yellow for lower temperatures to bright red for higher ones), allowing for immediate visual monitoring and the sending of direct commands to physical thermostats via the BMS;

Research project from the University La Sapienza – awarded at the BuildingSmart Awards, this thesis work involved the modeling and IoT interface of the entire department and laboratories where Prof. Martirano operates. In the digital twin, the switches of the electrical panel change color in real time according to their actual state (green if open, red if closed), allowing for remote management of controlled sockets and instant monitoring of absorbed power.

Scalability, data analysis, and the future of smart buildings

The strength of this architecture lies in its total openness and flexibility, supporting the main standard market protocols (such as ModBus, MQTT, KNX, BACnet, and ZigBee). This allows the system to scale easily from individual private residences to large shopping centers, impeccably managing from a few sensors to thousands of IoT devices. In addition to the real-time management of HVAC systems, video surveillance, lighting, or consumption from photovoltaic and wind systems, the platform allows for historical data storage. Through the application of Machine Learning and Artificial Intelligence algorithms, advanced predictive analysis can be performed to optimize consumption and improve Facility Management activities, charting the course for the smart buildings of the future.

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FAQ Smart building

What is a smart building?

It is a structure that uses advanced technologies, sensors, and control systems to improve energy efficiency, comfort, and safety for occupants. It allows for optimized resource management by visualizing real-time data on the 3D model of the building.

What are some examples of smart buildings?

Typical examples include skyscrapers with intelligent facades that adjust light and heat according to the weather, adaptive heating/cooling systems, and lighting systems that self-regulate based on human presence.

What are the characteristics of smart buildings?

They include IoT sensors and devices for environmental monitoring, energy management systems to reduce consumption, security automation (cameras and access controls), integration with smart electrical grids, and sustainable mobility solutions.

What are the 5 advantages of smart buildings?

The main advantages are: 1) increased energy efficiency, 2) personalized comfort and well-being, 3) reduced operational and maintenance costs, 4) integrated security, 5) environmental sustainability. They also allow for complete remote control of systems, lights, and air quality through BIM IoT platforms.

What are building automation systems and BMS (Building Management Systems)?

Building automation is the set of technologies for automated control of systems, centralized in a BMS (a supervisory software platform). Today, IoT integration allows these systems to be managed directly from the Digital Twin (3D digital twin), which reacts in real-time to physical events.

What is a practical case of implementing smart building and BMS?

The integration between Schneider Electric’s EcoStruxure BMS and ACCA software’s usBIM platform. This synergy creates a true visual digital twin: users and managers can monitor systems (such as temperature via the colorization of 3D rooms), send commands from smartphones, or book meeting rooms.

What will be the future of smart buildings and what are the emerging trends?

The sector will grow thanks to AI, machine learning, and blockchain to achieve greater automation. Emerging trends include nearly zero-energy buildings (nZEB), resilient and adaptive constructions, and the complete integration of buildings within smart cities.

What does the usBIM.IoT and Schneider Electric case study consist of regarding the integration of BIM and IoT?

It is a project born from the collaboration between ACCA software, Schneider Electric, and the University ‘La Sapienza’ of Rome. It demonstrates how the usBIM.IoT platform and EcoStruxure BMS create a bidirectional Digital Twin. Among the real cases analyzed are the energy/thermal monitoring of a three-unit condominium and the digitization of Prof. Martirano’s laboratory, highlighting the benefits of sensor scalability and predictive data analysis.