What Does BMS Mean? Top Components of Building Management System

What is a BMS (Building Management System)?

No matter how small or big your building is, if the air handling units and lighting controls are not operating properly, it means ultimate chaos. this is where does the need for a suitable building management system to arise. A building management system, also called BMS, acts as a regulator of the facilities provided by a building.

The system allows the user to manage all the functions of the building under one control system. It adds to the ease of monitoring and maintaining each aspect of the building.

Components of building management system.


The central functionality of building automation and control systems lies upon the controlling of the HVAC of a building. The acronym HVAC stands for Heating, ventilation, and air conditioning.

The system controls and monitors indoor and vehicular environmental comfort intending to provide thermal support and acceptable indoor air quality. The main components of a building management system are as follows:

Lighting control

A lighting control system makes the cumbersome task of adjusting lights according to users’ needs much more straightforward. By providing intelligent automated lighting, the lighting of a building can be changed without any hassle.

It leads to reduced energy consumption and improved sustainability. The latest lighting control systems also generate analytical data and graphs via continuous measuring and monitoring. 

Electric power control

An electrical control system of a building management system physically interconnects the core electrical and mechanical devices present in a building. The input and output variables to these systems are signals.

Examples of such systems include circulation pumps, compressors, manufacturing systems, refrigeration plants, and motor control panels.


The maintenance of a building’s temperature is done by a heating management system, which also schedules the heating system’s power on and off. It ensures the thermal comfortability of the inhabitants of the buildings

Security and observation

Whether it is a home, office, or a shopping center, the security remains of the building remain equally vital. The BMS possesses security surveillance systems that consist of security cameras and video recorders which guard buildings against intruders

Fire alarm system

The fire alarm system constitutes a significant part of the building’s security system. To clarify it uses visual and audio signals to warn people about a possible fire or smoke in a building.

Their additional functionalities include indications of severe weather, terrorism, and hazardous chemical incidents, etc. Furthermore, they utilize the speaker systems to provide voice instructions for protection.

Plumbing and water monitoring

The building management system looks after the hydraulic flows of a building. Besides, it manages the opening and closing valves and monitoring temperature deviations too. The system determines water quality by checking the flow, temperature and pH, etc

Ventilation system

One of the pivotal components of a BMS is a ventilation system. This system monitors the levels of carbon dioxide and oxygen, mixing in the fresh air with waste air to increase the level of oxygen.

Some ventilation systems also incorporate air handling units, leading to an even healthier environment for the inhabitants.

Benefits A Building Management System

A Building automation system ensures the safety of the valuable equipment of a building. Therefore it ensures that all the operations of a building are synced for smooth functioning. BMS gives building owners access control of their building’s services and systems, making the management more effortless.

It also assists buildings to operate in a more cost-efficient way through automatic scheduling and occupancy controls. The data gathering and report generation allow the building owners to detect issues at initial stages.

Building management systems integrated with building information models (BIM) help in identifying potential problems.  building information models also includes information about the maintenance of building components.


 Drawbacks Of A Building Management System

Building management systems might be expensive with high recurring fees to maintain it. However, the limitations in the data provided by it might not help building owners achieve targetted energy savings and operational efficiency.

The building automation system is a combination of various methods. It means high chances of these systems not working collaboratively in achieving the desired results.

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