Date:02/07/2009 URL: http://www.thehindu.com/thehindu/seta/2009/07/02/stories/2009070250031200.htm
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Energy, servicing costs of ACs saved by sensor

N. Sridharan

Engineers have developed a sensor that saves energy and servicing costs by indicating when air conditioners are low on refrigerant, preventing the units from working overtime.

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