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Compressed air technology reduces energy costs

25 March 2008

A new compressed air technology called the Exhausted Air Recycling System - or E.A.R.S. - is redefining the production of compressed air and producing substantial benefits including reducing energy costs, cutting carbon emissions, increasing productivity and improving workplace health and safety.

Over a five-year period, it is estimated that 85% of the average costs for a compressed air system will be for the electricity used to generate and dry the air. If used to its full potential, the installation of an E.A.R.S. compressed air system will have a significant impact on these costs and could reduce your energy consumption by up to 40% year-on-year.

The E.A.R.S. system provides a closed loop between the air compressor and the air tool by capturing the exhausted air and returning it to the patented E.A.R.S. manifold fitted to the compressor. In fact, this system can be installed for the use of any type of pneumatic product that exhausted air can be captured from. The closed-loop system generates more useable compressed air with less energy, which is a real innovation in pneumatic technology. The EARS system was first released in Australia with remarkable results and has already received more than six prestigious awards including “Invention of the Year 2006” and the OHS WorkSafe “Best Solution to a Health and Safety Risk”.

Whether using an E.A.R.S. compressor with E.A.R.S. tooling, or a retrofit kit for existing tools and compressors, the benefits of using this new system are immediate. By purchasing a smaller E.A.R.S. compressor from the start, your power consumption can be greatly reduced. This is due to the re-circulating exhausted air allowing the compressor to work much less to generate and maintain the pressure needed. Energy costs are reduced due to the ability of this E.A.R.S. optimised compressor to deliver an air volume that could only otherwise be achieved with conventional technology by using a larger motor with a higher consumption. With E.A.R.S. technology, an 11 kW compressor can generate the same air volume as a conventionally operated 18.5 kW compressor. For new compressor acquisitions, this can make a significant difference to the compressor size and cost that would otherwise be required and incurred using conventional technology. Installing a retrofit kit to your existing compressor will allow you to get more air out without having to purchase a new larger one.

With the capture of exhausted air at the pneumatic product, all the noise and contaminants normally ejected next to the user are sent back to the compressor via filters. This means exhaust noise is significantly reduced and all tool lubrication oil or foreign matter traveling in the air is also taken away. Additionally, there is no exhausted air blowing dust or other matter around the workshop, ensuring a cleaner and far quieter work environment.

With the wide range of benefits and savings that an E.A.R.S. compressed air system provides, inventor Chris Bosua believes that, "with the rising cost of energy, the modest investment in new tools and retrofit kits will show an extremely attractive ROI." Installing this tool system may also qualify for a Carbon Trust Interest Free loan due to the lower carbon emissions from the reduced amount of power consumed.

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