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Rating modern office air conditioning systems on their energy consumption and comfort delivery.

[In German. / En allemand.]

Author(s) : LEDERER S., ROTH H. W., HANDEL C.

Type of article: Article

Summary

For an office building three modern HVAC-systems are compared with regard to comfort, energy consumption and investment cost: a VAV-system, representing a turbulent mixed flow ventilation; an air-water induction system with ceiling induction units; and a chilled ceiling system combined with displacement ventilation. When the desired preset value of room air temperature is a strict function of outdoor air temperature, energy consumption of the VAV-system is 10% higher, and the chilled ceiling system needs higher investment. Furthermore, the main influence on comfort and energy consumption of typical user faults, of poorly designed or adjusted VAV-systems and of poor maintenance is shown.

Details

  • Original title: [In German. / En allemand.]
  • Record ID : 1994-0464
  • Languages: German
  • Source: Klima Kälte Heiz. - vol. 21 - n. 7-8
  • Publication date: 1993/07
  • Document available for consultation in the library of the IIR headquarters only.

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