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ENERGY STAR

ENERGY STAR
Countries:
 United States
Type: Voluntary Label
Links: ENERGY STAR Home Page

ENERGY STAR Product Specs
ENERGY STAR Revisions to Existing Specification
ENERGY STAR New Specifications in Development

Sponsored by the Department of Energy and the Environmental Protection Agency (EPA). One of the most visible certifications world-wide with energy efficiency specifications for consumer electronics, office equipment, appliances and external power supplies. ENERGY STAR is working closely with countries around the world to harmonize efficiency standards, including close collaboration with China's CECP. See also: International Energy Star for more details.

Other ENERGY STAR Information

PRODUCT Max Standby / Min Efficiency
Battery Charger Systems View current specifications.
Computers

View current specification .

Computer Servers

View current specification .

Copiers View details.

Cordless Phones

Cordless telephone ≤ 2 W
Combination Units: ≤ 2.5 W
Additional Handsets: ≤1 W

View current specification.

Dishwashers Standby included in overall energy calculation. See eligibility criteria.
DVD players 1 W
View current specifications
View specification revision in development
External Power Supplies Table 1: Energy-efficiency Criteria for Active Mode: Standard Models
Nameplate Output Power (Pno) Minimum Average Efficiency in Active Mode
(expressed as a decimal)
0 to ≤ 1 watt ≥ 0.480 * Pno+ 0.140
> 1 watt to ≤ 49 watts ≥ [0.0626 * Ln (Pno)] + 0.622
> 49 watts ≥ 0.870

 

Table 2: Energy-efficiency Criteria for Active Mode: Low Voltage* Models
Nameplate Output Power (Pno) Minimum Average Efficiency in Active Mode
(expressed as a decimal)
0 to ≤ 1 watt ≥ 0.497 * Pno+ 0.067
> 1 watt to ≤ 49 watts ≥ [0.0750 * Ln (Pno)] + 0.561
> 49 watts ≥ 0.860

* A low voltage model is an EPS with a nameplate output voltage of < 6 volts and a nameplate output current ≥ 550 milliamps

Table 3: Energy Consumption Criteria for No-load
Nameplate Output Power (Pno) Maximum Power for No-load
AC-AC EPS AC-DC EPS
0 to < 50 watts ≤ 0.5 watts ≤ 0.3 watts
≥ 50 to ≤ 250 watts ≤ 0.5 watts ≤ 0.5 watts

View Current Specifications
Download Test Method
ENERGY STAR EPS Version 2.0 Summary Page

Fax Machines View details.
Home Audio 1 W
View current specifications
View specification revision in development
LED Lighting Integral LED Lamp Specification (Draft 1)
Program Requirements for Solid-State Lighting Lumenaires - Version 1.1
Monitors/Displays
 On-mode power consumptionSleep modeOff mode
Effective January 1, 2006 Y is expressed in watts and rounded up to the nearest whole number and X is the number of megapixels in decimal form.
If X < 1 megapixel, then Y = 23; if X > 1 megapixel, then Y = 28X. 		≤ 2 watts≤ 1 watt
Version 5.0, tier 1 Effective October 30, 2009
Diagonal Screen Size < 30 inches Screen Resolution ≤ 1.1 MP PO = 6*(MP) + 0.05*(A) + 3
Diagonal Screen Size < 30 inches Screen Resolution > 1.1 MP PO = 9*(MP) + 0.05*(A) + 3
MP = Display resolution in megapixels
A = Viewable screen area in square inches 		≤ 2 watts≤ 1 watt
Version 5.0, tier 1 Effective January 30, 2010
Diagonal Screen Size 30 - 60 inches (All Screen Resolutions)PO = 0.27*(A) + 8
≤ 2 watts≤ 1 watt
Version 5.0, tier 2 Effective October 30, 2011TBD≤ 1 watts≤ 1 watt
View details.
Printers

View details.
Scanners View details.
Set Top Boxes

Simple Set-top Boxes (DTA)
≤8 W active on, ≤2 W standby

View current specification.

Complex Set-top Boxes

View current specification.
Televisions Maximum On-Mode power levels. View details
1 W Standby
TV/DVD Combination Units 4 W

Source: Energy Star. Please check source for latest information.