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Last edited 26 Dec 2020
The future of smart buildings
How long before your building 'knows' more about you than you do yourself? As ever more processing is crammed into smaller, lighter and cheaper devices, it was only a matter of time before people would be able to wear them as they go about their everyday lives.
I am wearing a smart watch as I write this, which is collecting all kinds of information about my movements, the amount of exercise that I take, my heart rate and more. This information can then be transmitted to another device or computer. It can also tell me when, for example, I get a phone-call or email. This shows how wearables can transmit information in two directions: information about the wearer can be shared with the outside world, while the same wearable updates the wearer on what is happening in the wider world.
Perhaps not surprisingly, it hasn’t taken long for people to find ways in which wearables could be used to improve the inter-relationship between buildings on the one hand, and the people who live or work in them, or visit them.
One factor that is giving this movement legs is the growing emphasis on comfort and wellbeing in buildings, and the attempts to find ways that building technology can contribute to this. But how does one measure wellbeing, let alone optimise it?
One way of course is to ask people and there is good evidence that the mere fact of being consulted can increase people’s satisfaction and potentially their performance. However, as anyone who fills in surveys will know, this can also become a tiresome distraction. What if my watch can work out whether I am tired or too hot or too cold and tell the HVAC system which can then adjust ventilation or temperature in my area without my having to ask?
 Use (and misuse) of wearables
It would also provide objective information about the physical wellbeing of people in buildings which would potentially be both more precise and more objective than what you might learn by asking them. This immediately raises some challenging questions. The most obvious one relates to data privacy. Where data is shared with a building system, what control can there or should there be over its being seen or used by the people managing the building or even by employers?
If I am seen to be 'falling asleep' at work, could this lead to intrusive questions about my private life? At the very least there would need to be clear and accepted rules about who can use this data and for what purposes, and what procedures are required to secure it against illegitimate access or use.
Experience suggests that, if the wearer has a positive incentive to share their data then they are more likely to opt in to a scheme where wearable data is shared. The fact that most of us now, almost half consciously, share a huge amount of personal information via our phones or PCs is an indication of how much people might be willing to share when there is something in it for them. Employees could be incentivised by stressing the health benefits of smart wearables, while customers could be attracted by special promotions relevant to their interests.
There is also a practical hurdle to jump over. If I have detailed information about the state of 200 people in my building, then this data will be of limited use unless the building system is granular and responsive enough to fine-tune conditions to meet individual preferences. Sensors will need to locate individuals accurately, and, more importantly, the HVAC or lighting system needs to be capable of providing very localised conditions which can then follow a person round a building.
BSRIA has already held two highly successful workshops on the subject of wearables, and will be monitoring the development of this technology. The technology is definitely becoming available. We now have to decide if we are willing to wear it.
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