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In some cases, projects try to avoid installing new sensors and look for new ways to exploit existing systems. One building energy management project, funded by the National Science Foundation and Bosch Corp., set up a system at the central breaker panel to monitor and correlate energy use patterns. The system watched electricity flows and associated distinct flows with specific devices such as air conditioners or clothes dryers. Software analyzed the use and began recommending changes to energy consumption levels, and time of day use, to minimize energy use and lower the electric bill.
"You can do a lot with what's already there and working, sometimes taking advantage of new analytics, without having to deploy new sensor networks," Sanfilippo says.
John Cox covers wireless networking and mobile computing for Network World.
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