Energy Saving For X-Line Outdoor Units
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Annual Saving from X-Line unit shown in the Table.

Cooler (-5°F to 40°F) Freezer (-40°F to 0°F)
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Unit Horse
Power Rating
X-Line Annual
Operating Cost ($)
Annual Saving Vs. Other Technologies ($)
1.5 661 205 362 447
2 839 420 297 444
3 1,237 439 433 560
4 1,659 552 557 N/A
5 2,057 711 788 275
6 2,216 1,059 N/A 644

Note : Respective Performance Data can be Viewed by Clicking on Link of Savings Data.

  1. N/A - Condensing unit is not available.
  2. All Units use refrigerant R-404A and their selections are based on a capacity match of 10% relative to the X-Line Outdoor Unit.
  3. Hermetic Reciprocating, Standard Scroll and Semi-Hermetic refer to condensing units using these compressor technologies.
  4. Refrigeration Load is assumed to be constant in the analysis. It assumes that Walk-In Cooler/Freezer is located indoors and the surrounding ambient is at constant 90F temperature.
  5. Design Refrigeration Load for analysis is based on Outdoor Unit's (X-Line) Capacity at 90F ambient air and 25F evaporator temperature condition.
  6. Unit Performance is based at 40F or 65F Return Gas temp. (depending upon on Compressor Technology used on the unit) and 5F Subcooling for all units except for X-Line Low Temperature units which have higher Subcooling. We use Actual Subcooling for these units. Minimum Condensing Temperature is set at 70F for estimation of Annual Operating Cost.
  7. Operating cost for Evaporator Fan or Power required for the Defrost Cycle are not included in the Annual Operating Cost or Saving Analysis.
  8. Weather data is based on typical metrological year obtained from National Solar Radiation Database, Years: 1961 - 1990. Analysis use weather data of:
    Minneapolis, MN (Zone 1), Dayton, OH (Zone 2), St. Louis, MO (Zone 3), Atlanta, GA (Zone 4), Miami, FL (Zone 5).
  9. Sample Annual Energy Analysis describing the procedure may be viewed by choosing AEER.
  10. Additional information on AEER methodology and calculation is available in Emerson's AEER White Paper or by viewing the AEER Webinar.
  11. Click Here to download Desktop Application.
Energy savings estimates based on rated equipment performance and assumptions are d. Actual savings dependent on box load sizing calculations and system component matching, and may vary by type of application and other operational variables not considered.
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