Extending the concept of energy delivery efficiency (EDE) of HVAC systems

T Agami Reddy, David E. Claridge, Mingsheng Liu, Srinivas Katipamula

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations


An energy standard based on a two-zone model may still be an unrealistic standard when comparing the energy delivery efficiency (EDE) of actual heating, ventilation and air conditioning (HVAC) systems. This argument has a parallel in thermodynamics where the efficiency of an actual steam power plant is more realistically compared with the Rankine efficiency rather than with the Carnot efficiency. An HVAC configuration is suggested that ensures the stipulated ventilation airflow rates, necessary for satisfactory indoor air quality (IAQ), to each of the multiple zones of the building. The operation and control of such an ideal HVAC system is defined.

Original languageEnglish (US)
Title of host publicationASHRAE Transactions
Editors Anon
Number of pages11
EditionPt 1A
StatePublished - 1998
Externally publishedYes
EventProceedings of the 1998 ASHRAE Winter Meeting. Part 1 (of 2) - San Francisco, CA, USA
Duration: Jan 18 1998Jan 21 1998


OtherProceedings of the 1998 ASHRAE Winter Meeting. Part 1 (of 2)
CitySan Francisco, CA, USA

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes


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