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Energy Efficient
Products
Energy Efficient
ProductsENERGY STAR products are independently certified to save energy without sacrificing features or functionality. Saving energy helps prevent climate change. Look for the ENERGY STAR label to save money on your energy bills and help protect our environment.
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Energy Savings
At Home
Energy Savings
At HomeImproving your home's energy efficiency with ENERGY STAR can help to reduce high energy bills, improve comfort and reduce greenhouse gas emissions. Let us help you — whether you do-it-yourself or hire a qualified professional.
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Energy Efficient
New Homes
Energy Efficient
New HomesA new home that has earned the ENERGY STAR label has undergone a process of inspections, testing, and verification to meet strict requirements set by the US EPA. ENERGY STAR certified homes use 15-30% less energy than typical new homes while delivering better comfort, quality, and durability.
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Energy Strategies for
Buildings & Plants
Buildings
& PlantsImprove financial performance and reduce carbon emissions with EPA's strategic energy management approach.
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Displays Key Product Criteria
Tier 1 Requirements
| Display Category | On Mode | Sleep Mode | Off Mode |
|---|---|---|---|
| Diagonal Screen Size < 30 inches Resolution <= 1.1 MP Effective October 30, 2009 |
PO = 6*(MP) + 0.05*(A) + 3 | <= 2 watts | <= 1 watts |
| Diagonal Screen Size < 30 inches Resolution > 1.1 MP Effective October 30, 2009 |
PO = 9*(MP) + 0.05*(A) + 3 | ||
| Diagonal Screen Size 30–60 inches All Resolutions Effective January 30, 2010 |
PO = 0.27*(A) + 8 |
MP is the number of megapixels in decimal form
A is the Viewable Screen Area (in square inches)
Tier 2 Requirements
| Display Category | On Mode | Sleep Mode | Off Mode |
|---|---|---|---|
| Diagonal Screen Size < 30 inches Resolution <= 1.1 MP Effective October 30, 2011 |
TBD | <= 1 watts | <= 1 watts |
| Diagonal Screen Size < 30 inches Resolution > 1.1 MP Effective October 30, 2011 |
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| Diagonal Screen Size 30–60 inches All Resolutions Effective October 30, 2011 |
Display: A commercially-available product with a display screen and associated electronics, often encased in a single housing, that as its primary function displays visual information from (i) a computer, workstation or server via one or more inputs, such as VGA, DVI, HDMI, or IEEE 1394, or (ii) a USB flash drive, a memory card, or wireless Internet connection. Common display technologies include liquid crystal display (LCD), light emitting diode (LED), cathode-ray tube (CRT), and plasma display panel (PDP).
On Mode: The operational mode of a display that is (i) connected to a power source, (ii) has all mechanical (hard) power switches turned on, and (iii) is performing its primary function of producing an image.
Sleep Mode: The operational mode of a display that is (i) connected to a power source, (ii) has all mechanical (hard) power switches turned on, and (iii) has been placed into a low-power mode by receiving a signal from a connected device (e.g. computer, game console, or set-top box) or by cause of an internal function such as a sleep timer or occupancy sensor. Sleep Mode is considered a "soft" low-power condition, in that the display can be brought out of Sleep Mode by receiving a signal from a connected device or by cause of an internal function.
Off Mode: The operational mode of a display that is (i) connected to a power source, (ii) engaged by a power switch, and (iii) not providing any function. The user must actuate a mechanical switch to bring the device out of Off Mode. If there is more than one such switch, the tester shall use the most readily available switch.”
