Are you energy-savvy about your entertainment devices?

A couple watches TV from the couch
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We all love to relax on the couch and watch a great movie, but hours of gaming, Netflix binges and Facebook chatting can add up. And vampire appliances continue to drain energy even when they're not in use. How much electricity are you wasting in your living room? Take the quiz and find out.

Question 1 of 17

Score: 0

An overburdened surge protector
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What percentage of the average electricity bill comes from vampire devices?

Americans have anywhere from 20-40 appliances constantly plugged in and sucking power, even when they're not in use. Energy vampires are devices that continue to drain electricity when they're switched off.

Question 2 of 17

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A hand holds a TV remote control
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Which type of TV uses more energy?

Plasma TVs consume about twice as much power as LED. Ratings site RTINGS has a handy chart that illustrates the differences between the different types of TV screens. According to Do Something, Plasma TVs consume more than 1,400 kilowatt hours each year, which can add as much as $150 to your electricity bill.

Question 3 of 17

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A man and a woman each hold video game controllers
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Video game consoles cost Americans $400 million in utility bills, just from sitting idly.

Of the total $1 billion that American gamers pay in gaming-related utility bills, $400 million comes from consoles on standby. A National Resources Defense Council report translates that usage, and it's a staggering 10-11 billion kWh each year.

Question 4 of 17

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Current video game consoles
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Which of these consoles uses the most energy?

The NRDC report says the Xbox One uses 210-289 kWh every year — that's up to four times as much energy as the previous model, the Xbox 360! And almost half of the electricity used by this new console is consumed while the device is on standby (an extra 72 watts each day).

Question 5 of 17

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Current video game consoles
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Which console is the only model that uses LESS energy than its previous generation model?

The Wii consoles consume significantly less energy than the Playstation and Xbox consoles, and the new Wii U uses even less than the original Wii. At 37 kWh a year, the Wii U is the most energy-efficient console on the market.

Question 6 of 17

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An Apple TV settop box
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Playstation 4 streams video more efficiently energy-wise than Apple TV.

The difference is staggering. Playstation 4 uses the most power when it is streaming video — 89 watts for every HD video streamed at 1080p, according to the NRDC report. That's up to 45 times more energy than Apple TV, which consumes just 2 watts for the same high-def video.

Question 7 of 17

Score: 0

A close-up of a power button on a remote
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Your best bet for saving energy after using your console is to turn it off with the power button or remote.

Default settings aren't always your best bet. Unplugging the console is a sure way to make sure it's not sucking any energy, as some power buttons go straight into standby mode and continue to drain electricity. Go into your settings and turn this mode off completely and set the device to turn off automatically when it's idle.

Question 8 of 17

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An iPhone being charged
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How many watts does a cellphone charger use when it's plugged into a fully charged phone?

According to the Department of Energy, cellphone chargers draw 2.24 watts when the phone is plugged in but fully charged, and about one-quarter of a watt when they're plugged into the outlet but not connected to a phone. This doesn't seem that bad when compared to other vampire devices, but considering that many of us leave our chargers plugged in all the time, it can certainly add up.

Question 9 of 17

Score: 0

Three computer monitors on at once
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Leaving an active screensaver on your computer when you're not using it consumes less energy than when you're using the computer.

Leaving a screensaver on your computer does little to help with energy consumption and can consume as much energy as when you are actively using your computer! Both have an energy consumption range from 60-250 watts, according to Northwestern University.

Question 10 of 17

Score: 0

A screenshot of a Mac desktop
Desktop screenshot
What is the most energy-efficient mode to leave your work computer?

The most energy-smart way to leave a computer for several hours is to turn it off completely. If you must leave your computer on, put it in sleep mode.

Question 11 of 17

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Stickers on a laptop identifying its energy rating, processor, and operating system
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Energy Star computers aren't much better than other computers.

Energy Star studies have shown that switching to Energy Star office appliances could save an impressive 219 billion pounds of greenhouse gases.

Question 12 of 17

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A charging cable plugged into a laptop
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When connected to the charger, laptops use just as much energy as desktop computers do.

While the CPU and monitor of a desktop computer can use up to 270 watts, laptops only use 50 watts. But beware: laptops will continue to drain power if you keep them plugged in when they're fully charged, so remember to unplug them once they reach a 100 percent charge.

Question 13 of 17

Score: 0

Two computer monitors on at once
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Most of a computer's energy consumption comes from the monitor.

Computer monitors can consume up to 150 watts when left on, and even when you're actively using your computer, these screens beat the CPU's consumption by 25 percent. That's all the more reason to switch to an Energy Star monitor and set your computer to sleep after a period of inactivity.

Question 14 of 17

Score: 0

A close-up of a stereo system
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How much power does the typical stereo consume when it's turned off but still plugged in?

When it's on, a stereo consumes about 120 watts, and it continues to drain 23.4 watts even when it's turned off.

Question 15 of 17

Score: 0

An entertainment system with speakers and a flatscreen TV
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Which part of your home entertainment system consumes the most electricity?

DVD players only use about 13 watts, while DVRs typically use 32 watts. TVs beat them all with a 42-inch flatscreen using anywhere from 200-320 watts, depending on whether the screen is LCD or plasma.

Question 16 of 17

Score: 0

A printer and pages
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Which type of printer is more energy-efficient?

Inkjet printers use an average of about 5 watts while they're in use and continue to draw 1.26 watts when they're turned off. Laser printers, on the other hand, use an average of about 130 watts when on and 1.5 watts when turned off.

Question 17 of 17

Score: 0

A TV remote
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Which TV device uses the most electricity when turned off?

Digital cable set-top boxes consume more than 17 watts when they're turned off, whereas satellite set-top boxes use just over 15 watts. Remarkably, these boxes almost use as much energy when they are off as when they're on and active. In this case, it pays to unplug altogether.

You scored out of 17
A couple watches TV from the couch
Photo: Minerva Studio/Shutterstock
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