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A new control strategy for high thermal mass radiant systems

  • Author(s): Raftery, Paul
  • Duarte, Carlos
  • Schiavon, Stefano
  • Bauman, Fred
  • et al.
The data associated with this publication are in the supplemental files.
Creative Commons 'BY-NC-SA' version 4.0 license
Abstract

This paper presents a new controller for high thermal mass radiant systems that can be implemented within a typical Building Automation System. We illustrate its performance using an EnergyPlus model representing a single zone, middle floor of an office building in Sacramento, California. The results of a small sensitivity analysis show that when compared to common practice in the US this approach reduces electricity cost and energy consumption by up to 40% and 35%, respectively, while maintaining comparable comfort conditions in the zone. Furthermore, this design & control approach could eliminate the need for a chiller in most California climate zones for typical office design loads.

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