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Why our Cars are Smarter than our Buildings

Posted : May 21, 2015 by , Category: Building Operation, Smart City

cars-blog


The average car makes thousands of decisions a second on our behalf. Buildings, our most expensive assets, need to catch up.

Cars in the 1970s had very little technology. Today, the average car uses lasers, radars, stereo cameras, satellites and even windshield wiper detectors, to constantly figure out the best next course of action, making thousands of decisions per second on our behalf.

Our buildings have yet to move on. If it’s warm and sunny and the rooms starting to overheat, it might take about  20 minutes before you start to feel uncomfortable enough to get up and open a window. If you lived in a hot climate the air conditioning would automatically kick in. Only you don’t need air conditioning yet, just a little ventilation would do. This overuse of air-conditioning is generating £3.6bn of energy waste a year in the Gulf area of the Middle East alone.

There’s no reason – with today’s technological advances – why our building’s couldn’t continually monitor the room and work out the most energy-efficient thing to do to maximise comfort levels.

This isn’t the stuff of Science Fiction
Today, if a room needs ventilated, buildings can automatically open the windows. If the building detected the room was getting cold too quickly, it could automatically reduce the size of the window opening. If the natural ventilation isn’t enough to restore comfort levels, the building can close the window and activate the air conditioning: automatically controlling the airflow in the most energy-efficient way possible.

This isn’t the stuff of science fiction. We’ve developed satellite navigation and cars that can drive themselves.  It’s time our buildings moved on.

A building isn’t a static object
Building’s are complex pieces of equipment. They have to keep us safe and secure, provide us with comfortable shelter from the elements, allow us to work, rest or play, keep ourselves clean and fed, and support our social interactions – all in ways that optimise our health and wellbeing.

One of the biggest misconceptions about buildings is the perception that they’re static objects. They might not move around like cars but they’re dynamic, ever-changing environments. Altering just one element, like the lighting, ventilation or use, can influence everything else. The sooner we recognise just how complex and dynamic our buildings are, the sooner we can justify utilising technology to make the best decisions about how to get the best out of them going forward.

Why we need Integrated Solutions
For too long, we’ve been looking at the different elements of a building: the energy, lighting, comfort and security, in isolation. Although it’s easier to look at things this way, the fact is the building works in a holistic way. To get the best out of it we have to look at it holistically, as well as in the context of its environment, neighbourhood and city. For example, more buildings are now designed with daylight dimming strategies that automatically dim artificial light whenever there’s enough natural light, reducing the energy needed to power the lights by as much as 70%. Although this is a worthwhile exercise, one thing that’s often overlooked is the extent to which the artificial lights might heat the building, prompting an increased need for heating on cooler days. If you’re only looking at the lighting, and not the impact of the lights on other elements, you might miss this other important energy factor.

To get the best out of our buildings, we have to look at them holistically. That’s why IES specialises in getting every element of the building to work together in an integrated way and is closely involved in research which looks at interactions  at the neighbourhood, city and stakeholder level.

Read more in IES – The Future of Energy Reduction



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