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Thread: TV energy usage

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    enabler keith3speed's Avatar
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    TV energy usage

    Do the new HDTVs cost more or less to run than the older TVs? I have a 46 inch Sony WEGA, an old 27in RCA, two old 19in portables. I was wondering how they all compare in energy usage. I was also thinking about getting a 42in plasma and was wondering about how much one of them uses. Anybody have any insight?

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    Pwnerer Wordbiker's Avatar
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    If you're comparing old CRT type televisions (the old deep set) to an LCD or "thin screen", the energy usage is typically half or less.

    The real estate savings is signifigant as well.
    Quote Originally Posted by ahsposo View Post
    Ski, bike and wish I was gay.

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    Senior Member SwimBike's Avatar
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    well, my electric bill jumped by $20 a month with the new TV. of course it is about 10' bigger. It is an LCD too


    oh, and its not really my tv as much as it is my roommates

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    Cries on hills supton's Avatar
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    I've found it frustratingly hard to find out power usage of TV sets, for the different types (CRT, LCD, etc). I'm in no rush to replace my CRT, although there is a temptation to leave it behind the next time I move (it's heavy!). I think the LCD's are best on power, plasma's worst--but I could be wrong. I think my 27" (32?) runs around a 1kWhr for 8-10hours of run time.

    http://reviews.cnet.com/4520-6475_7-...3.html?tag=nav
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    Cactuar! sneefy's Avatar
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    Quote Originally Posted by supton View Post
    I've found it frustratingly hard to find out power usage of TV sets, for the different types (CRT, LCD, etc). I think the LCD's are best on power, plasma's worst
    http://reviews.cnet.com/4520-6475_7-...3.html?tag=nav
    This is basically correct. I don't have specifics, so I'm kinda pulling this out of my backside. First, you really need to compare TVs of the same size.

    That said, Power usage goes about like this: CRT>plasma>DLP (bulb)>LCD>LED DLP. I'm not sure where the OLED TVs fall. I think they are pretty bloody efficient, but they are too expensive and the blues have a short lifespan right now.

    I could be wrong, but I'm pretty sure that an LED engine DLP would be the most efficient size-for-size. The downside is, you can't hang them on a wall, being rear-projection. If I had to choose a new TV right now, it would be a 42 or 50 inch LED DLP. I like the picture brightness and quality of a DLP and don't need to hang it on a wall.

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    Also consider how long each type of TV lasts.

    I would rather pay more to power an old CRT that will last 20+ years (or longer in my grandparents' case) than to re-buy TVs because LCDs don't seem to last more than a few years (in my friends' case).

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    Cactuar! sneefy's Avatar
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    Quote Originally Posted by SonataInFSharp View Post
    Also consider how long each type of TV lasts.

    I would rather pay more to power an old CRT that will last 20+ years (or longer in my grandparents' case) than to re-buy TVs because LCDs don't seem to last more than a few years (in my friends' case).
    CRTs are king for longevity at this point. Good luck finding a 50" HD CRT, though...

    DLPs are easily repaired, LCDs are too. Plasmas are more-or-less irreparable.

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    Quote Originally Posted by keith3speed View Post
    Do the new HDTVs cost more or less to run than the older TVs? ... Anybody have any insight?
    There's a widely-regarded gadget you can get called a Kill-a-watt that will measure appliance energy usage. It's priced $20 on Amazon.
    ~

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    Quote Originally Posted by SwimBike View Post
    well, my electric bill jumped by $20 a month with the new TV. of course it is about 10' bigger. It is an LCD too


    oh, and its not really my tv as much as it is my roommates
    You have a 10 foot LCD TV? That's fricking huge! Is it installed in a stadium?

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