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Modeled and measured effects of compressor downsizing in an existing air conditioner/heat pump in the cooling mode.

Author(s) : LEVINS W. P., RICE C. K., BAXTER V. D.

Summary

Proper sizing of an air conditioner or heat pump allows more efficient operation and provides a more comfortable environement than a highly oversized unit. Another factor that lowers operating efficiency is an improper refrigerant charge. Field inspections have revealed that about half of the units checked were not properly charged. An option available to homeowners with oversized air conditioners is to replace the existing compressor with a smaller, more efficient compressor rather than purchasing a new, smaller unit. Such a retrofit may be economically justified, especially during a compressor failure, provided the oversizing of the existing unit is not too great.

Details

  • Original title: Modeled and measured effects of compressor downsizing in an existing air conditioner/heat pump in the cooling mode.
  • Record ID : 1997-2306
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1996/06/23
  • Document available for consultation in the library of the IIR headquarters only.

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