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A COMPARISON OF CENTRAL AND INDIVIDUAL SYSTEMS FOR SPACE CONDITIONING AND DOMESTIC HOT WATER IN NEW MULTIFAMILY BUILDINGS.

Author(s) : BYRNE S. J., FAY J. M.

Summary

THE REPORT COMPARES THE ENERGY PERFORMANCE AND LIFE-CYCLE COST OF CENTRAL AND INDIVIDUAL HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC) SYSTEMS AS WELL AS DOMESTIC HOT WATER (DHW) SYSTEMS IN NEW MULTIFAMILY BUILDINGS. THE BUILDING IS EQUIPPED WITH EITHER A CENTRAL CHILLER AND GAS-FIRED BOILER, WHICH SUPPLY FOUR-PIPE FAN COILS IN EACH APARTMENT, OR IS CONDITIONED BY INDIVIDUAL PACKAGED TERMINAL AIR CONDITIONERS IN EACH APARTMENT. THE BUILDING WITH CENTRAL HVAC ALSO HAS A CENTRAL, GAS-FIRED DOMESTIC HOT WATER SYSTEM ; THE BUILDING WITH INDIVIDUAL UNITS HAS ELECTRIC WATER HEATERS IN EACH APARTMT THE USE OF NATURAL GAS FOR SPACE AND WATER HEATING AND THE MORE EFFICIENT CENTRAL CHILLER RESULTED IN AN ANNUAL ENERGY COST SAVINGS FOR THE CENTRAL SYSTEM IN BOTH CITIES. APARTMENT BUILDINGS WITH AS FEW AS 5 UNITS IN CHICAGO AND AS FEW AS 30 UNITS IN ATLANTA SHOULD BE DESIGNED WITH CENTRAL HVAC AND DHW SYSTEMS.

Details

  • Original title: A COMPARISON OF CENTRAL AND INDIVIDUAL SYSTEMS FOR SPACE CONDITIONING AND DOMESTIC HOT WATER IN NEW MULTIFAMILY BUILDINGS.
  • Record ID : 1991-0342
  • Languages: English
  • Publication date: 1989
  • Source: Source: ASHRAE Trans.
    vol. 95; n. 2; 798-804; 2 fig.; 5 tabl.; 5 ref.
  • Document available for consultation in the library of the IIR headquarters only.

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