In a security- and efficiency-conscious environment a building management system (BMS) can be used to manage fire alarms, and to coordinate controls for timers, thermostats, fans and lights. Most importantly a BMS can save energy. 
 
Building energy management is now catching up with LED lighting as the most popular way for businesses to reduce energy costs. 
 
While around two thirds of the businesses introducing energy management systems have 1000 employees or more, there’s still scope for smaller organisations to make significant savings. 
Why use BMS? 
One of the big benefits of a BMS is the ability to control all aspects of your building from a central point. A well-designed BMS could include motion-sensors so that lights are only turned on when they are needed. Information can be collected about patterns of energy use, making it easier to spot inefficiencies. 
 
Using the internet it’s possible to have remote control of the functions in your building, including: 
• lighting 
• heating, humidity and CO2 levels 
• CCTV 
• area access 
• IT and telecoms 
• fire and sprinkler systems 
 
The Internet of Things 
Development of the Internet of Things (IoT) means that many new buildings now have integrated wired and wireless IoT facilities to make connectivity even easier. 
 
At the end of 2018 there were an estimated 151million sensors, actuators, modules, gateways and other 'connected devices' installed worldwide. With an annual growth rate of 33%, that figure will increase to over 470 million units by 2022. 
 
It won’t be long before BMSs can include electric vehicle charging, new levels of performance analytics and artificial intelligence to maintain increasingly cost-effective and comfortable environments, even down to your very own workstation. 
 
BMS for small businesses 
If you own a small business you might not be able to commission a whole new IoT-ready building, but you can still benefit from BMS. Heating can be automatically reduced when all or part of your building is unoccupied, lights and heating can be timed to come on only when needed. In cold weather you can even set minimum temperatures for the heating to come on automatically and in hot weather you can manage cooling. It’s already possible to keep an eye on energy use or security issues from your mobile phone. 
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