ZonePAC: Zonal Power Estimation and Control via HVAC Metering and Occupant Feedback

Authors:
Bharathan Balaji;Hidetoshi Teraoka;Rajesh Gupta;Yuvraj Agarwal
Affiliations:
University of California, San Diego;University of California, San Diego;University of California, San Diego;University of California, San Diego and Carnegie Mellon University
Venue:
Proceedings of the 5th ACM Workshop on Embedded Systems For Energy-Efficient Buildings
Year:
2013

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Abstract

Heating Ventillation and Air Conditioning (HVAC) systems account for nearly 40% of primary energy consumption by commercial buildings. Yet, these systems by and large operate in an open-loop with the building occupants. While the monitoring and feedback of comfort conditions is by (much smaller) zones, the HVAC control systems operate on energy metering and monitoring at the scale of entire buildings. ZonePAC attempts to bridge this gap between metering, monitoring and control by providing an embedded sensing and information management architecture that provides for effective participation by the building occupants in zonal HVAC settings that directly affect the building scale HVAC control system. Our results from a deployment of 65 users spread across 51 zones in a 145,000 square feet commercial building demonstrate the viability and effectiveness of ZonePAC.