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Sub-Zero Energy Star Products


  • List of Energy Star Sub-Zero units
  • Is this model energy star qualified?
  • Are Sub-Zero products Tier 1, Tier 2 or Tier 3 energy rated?
  • What year did a product become Energy Star rated?


Energy Star certified refrigerators are 9% more efficient than models that meet the federal minimum standard for enery efficiency.

  • The site also lists the year the products became Energy Star certified.
  • For an up-to-date listing of all Sub-Zero Energy Star qualified products, visit the sites below:
  • Tiers 1, 2, and 3 are organized by CEE, which works with Energy Star. CEE rates Energy Star appliances, tier 3 is most efficient. See for more information.
    • Tier 1 is 10% less than Federal standard.
    • Tier 2 is 15% less than Federal standard.
    • Tier 3 is 20% less than Federal standard.
  • There are no Sub-Zero units currently Tier 3 rated.
  • Some Classic (Formerly Built-In) models are Energy Star rated for the stainless steel wrapped door version because stainless steel doors are more insulated than overlay doors.
  • To maintain the same depth when custom panels are applied, overlay unit doors have less insulation in them.

Contact a local dealer for further sales information.


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