Division B Qualifying Products Under Tier 2 of the Version 5.0 Specification
The second phase of this specification, Tier 2, shall take effect on October 30, 2011, and apply to products with a date of manufacture on or after October 30, 2011. For example, a unit with a date of manufacture of October 30, 2011 must meet the Tier 2 specification in order to qualify as ENERGY STAR.