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The power transmission and distribution business of Larsen & Toubro (L&T) Construction has won its single largest order in the Middle East from Kahramaa (Qatar General Electricity & Water Corporation)...
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The heating, ventilation and air conditioning (HVAC) sector is one that has constantly come under pressure during discussions of sustainability and environmental stability.
As a result, exhibitors at The Big 5 exhibition 2011 will be putting forward their newly launched HVAC technologies, with an emphasis on sustainability and energy efficiency, at the free-to-attend product seminars taking place on site.
The seminars are just one of the new offerings this year, with both product and educational sessions. The product sessions will educate the audience on sustainable products and that are new to the region. Each session will include examples of case studies and talk through the challenges faced in purchasing and application as well as the solution applied to overcome these. The educational seminars will focus on key topics influencing the purchasing and commercial decisions within the industry at present.
Within these seminars, the HVAC sector has quickly come to the forefront of the presentation schedule. A number of brand new products will be presented, with many from the region, all of which are classing themselves as truly innovative green technology.
Manufacturers are playing a part in easing engineers and HVAC system designers through the changes that are expected to take place over the next few years. Recently, the major air conditioning firms have invested huge sums in the research and development of new technology to maximise energy efficiency and minimise refrigerant use. Many new products and technologies have been released that have greatly improved operational efficiencies, while also using the newer, more environmentally friendly refrigerants, as is evident by the latest product exhibits at trade shows such as The Big 5.
The Middle East is, naturally, one of the biggest offenders when it comes to the HVAC industry, with a significant demand for effective ventilation and AC throughout a large period of the year. The type of products being launched and presented at The Big 5 seminars in November include inspection, maintenance and mechanical, all of which will include features that ensure a reduction in environmental damage.
One of the new products is the Ecosmart from Nuaire, which is designed to incorporate speed control, bms interface or simple plug in remote controls, negating the needs for costly third party controls and their installation. There is the option of a constant pressure model, which can ventilate multiple systems without the need for any hard wiring back to the fan, and the integral speed control and matching sensors ensure the unit only operates when required.
Alan Hopes,Middle East sales engineer of Nuaire, said: “Huge energy savings are possible as the motor is running at a fraction of its full speed for the majority of the time instead of running at 100 per cent continuously. As well as the energy saving of the motor, expensively cooled/heated air is not being needlessly extracted so there is little wear and tear on the unit components.”
Another of the new products launching will be the next generation MECHFit from Japanese COCOMECH, the only press-fitting without tools. The technology is based around a clamp ring feature that grips the pipe; it is made from a heat-treated special steel spring with no need for power tools and therefore electricity. The tool is said to improve productivity by up to eight times and provides higher quality press-fitting than conventional methods. The flexible design of the piping system improves water efficiency and with no corrosion, scaling and algae growth, water contamination is eliminated.
White continued: “Changes to local regulations will have a huge effect on the way future buildings are cooled, with the Abu Dhabi government for example stating the use of variable refrigerant flow units for new residential buildings. Regulations are also coming into effect in Dubai for the use of thermal storage. Further improvements can be made simply by the choice of equipment.”