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SURVEY OF RESIDENTIAL AIR-TO-AIR HEAT PUMP SERVICE LIFE AND MAINTENANCE ISSUES.

Author(s) : LEWIS J. E.

Summary

THE KEY FINDINGS OF THE SURVEY: THE DEALERS' AVERAGE ESTIMATE OF AGE AT REPLACEMENT FOR UNITARY AIR CONDITIONING UNITS IS 12.1 YEARS ; AIR CONDITIONER COMPRESSORS, 8.8 YEARS ; HEAT PUMP UNITS, 10.9 YEARS ; HEAT PUMP COMPRESSORS, 8.0 YEARS ; AND GAS FURNACES, 16,3 YEARS. 86% OF THE DEALERS BELIEVE THAT HEAT PUMP RELIABILITY HAS BEEN IMPROVED OVER THE PAST FEW YEARS. THE AVERAGE REPLACEMENT AGE ESTIMATES FOR HEAT PUMPS USED IN CUSTOMER DISCUSSIONS IS 11.2 YEARS. ESTIMATES INDICATE THAT THE INSTALLED COST OF REPLACEMENT COMPRESSORS IS 40-45% OF THE COST OF A TOTAL NEW UNIT.

Details

  • Original title: SURVEY OF RESIDENTIAL AIR-TO-AIR HEAT PUMP SERVICE LIFE AND MAINTENANCE ISSUES.
  • Record ID : 1988-0313
  • Languages: English
  • Publication date: 1987
  • Source: Source: ASHRAE Trans.
    vol. 93; n. 1; 1111-1127; 7 fig.; discuss.; append.
  • Document available for consultation in the library of the IIR headquarters only.

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