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Program for finding out current wattage being used? - Page 2

post #11 of 23
Quote:
Originally Posted by Spooony;13548583 
what you got there lolNo fridges and freezers like to be full. The emptier they are the more power they use. When its doors go open they use more power aswell .

empty or full doesn't actually make any difference - until you open the door. With an empty fridge all the cold air then 'falls' out, and the fridge has to use more energy to cool down again. When full of food the fridge maintains its temperature much better and so opening the door has less effect - all the 'cold' stays in the fridge.
post #12 of 23
Thread Starter 
Quote:
Originally Posted by Spooony;13548491 
Tell him to buy a kill-a-watt meter.Sorry to ask this but is the fridge full or is it half full etc etc?

Haha no worries...ummm, 3/4 full, I suppose? lol...but it is a massive fridge. The guy from Lowes said it used ~$60 worth of electricity a year.
Quote:
Originally Posted by Asmodean;13548526 
Other then buying a kill-a-watt meter, you could probably find the estimation useage for each component online and add them up for a rough figure? lol

Yea I figured that...but that also wouldn't be accurate. The main debate is that he thinks whatever my PSU is rated at (650W) is what the PC is constantly consuming, which I know isn't the case.
Quote:
Originally Posted by Shub;13548551 
Watercooling has little to no effect on power consumption. A pump or two aren't going to trip the breakers, and unless you use high power fans, that's not going to make a difference either.
Post your setup -- preferably in your sig -- so that we can tell you how much you'd be drawing from the wall.

That's what I said. The only electric parts of my loop are 2 120MM Scythe Ultra Kaze fans and my swiftech pump. But the noise the fans/water make don't do any justice lol.
Quote:
Originally Posted by InerTia*;13548590 
I would think it would actually run more efficient. Parts run cooler, less wattage.. In my experience.

That's the argument I'm trying to win! smile.gif

Thanks for the input guys!
post #13 of 23
Quote:
Originally Posted by the_beast;13548618 
empty or full doesn't actually make any difference - until you open the door. With an empty fridge all the cold air then 'falls' out, and the fridge has to use more energy to cool down again. When full of food the fridge maintains its temperature much better and so opening the door has less effect - all the 'cold' stays in the fridge.

how many times do we open the doors a day now again? I take it you have never live in a place that hits over 30 at night? One day take your fridge to a place called Johannesburg around December. Then test your theory out.

A fridges motor kicks in when the temps reach a certain degrees. Now it will reach that degree quicker when theres less items in it coz the items help with keeping the temps down inside. Thats why they say keep it full by placing waterbottles or buckets inside.
Edited by Spooony - 5/18/11 at 7:43am
post #14 of 23
Quote:
Originally Posted by Spooony;13549261 
how many times do we open the doors a day now again? I take it you have never live in a place that hits over 30 at night? One day take your fridge to a place called Johannesburg around December. Then test your theory out.

It's not a theory - I have a PhD in mechanical engineering, and in my uni we had undergraduates who tested this kind of thing for final year projects and the like.

Basically the longer you leave the door open with more air in the fridge (ie emptier), the more it costs to run. If you leave the door closed it makes no appreciable difference what's in there.
post #15 of 23
There is no program that can do that, and WCing can either slightly raise/lower power consumption... it all depends.
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post #16 of 23
Quote:
Originally Posted by GameBoy;13549454 
There is no program that can do that, and WCing can either slightly raise/lower power consumption... it all depends.

WCing always raises power consumption. The pump and fan(s) power draw outweigh the reduce voltage leakage from lower temperatures.
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post #17 of 23
Quote:
Originally Posted by DuckieHo;13549592 
WCing always raises power consumption. The pump and fan(s) power draw outweigh the reduce voltage leakage from lower temperatures.

I've heard people report it lowering power consumption, based on Kill-a-Watt readings. Of course, they were going from a Mega with Delta 4000RPM fans to just the one 4x120 radiator with low-speed Yate Loons...
post #18 of 23
How much voltage is actually leaked at high temps?
post #19 of 23
Regardless of what your water cooling setup is or is not adding to your rig, your computer definitely uses far more power than your refrigerator does without any question, unless you turn off your computer most of the day and leave your fridge door open a lot out of spite.

If your dad has a new energy saving refrigerator as it seems like he does by his boasting, it can use as low as 425kWh / year (500kWh - 525 if it's some older energy star).

Assume you game 3 hours a day on a relatively decent computer (since you are WCing it, no idea what you're actually using) 4 days a week. Can use upwards of 400Watts, or 250kWh / yr.
If you leave your computer on and idle/web-surfing for 9 more hours in the day assuming you use say 150Watts that's 490kWh/yr.

So this is a computer running a modest amount of gaming, only on half the day using > 700kWh/yr, vs. a fridge on 24/7 using < 550kWh / yr. The WC setup is probably hurting you most in your idle numbers as running the pumps and whatnot will be drawing 20+ extra watts on your system.
Quote:
Originally Posted by Spooony;13549261 
how many times do we open the doors a day now again? I take it you have never live in a place that hits over 30 at night? One day take your fridge to a place called Johannesburg around December. Then test your theory out.

A fridges motor kicks in when the temps reach a certain degrees. Now it will reach that degree quicker when theres less items in it coz the items help with keeping the temps down inside. Thats why they say keep it full by placing waterbottles or buckets inside.

That is all apocrpyhal in source. Who is 'they' that says keeping it full keeps it cooler?

Modern refrigerators are highly insulated, so empty or full makes no difference when the door is closed. If the door is opened you lose the cold air, but air doesn't take that much energy to cool down, so it might use somewhat more energy, but not a huge amount.
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post #20 of 23
Quote:
Originally Posted by DuckieHo;13549592 
WCing always raises power consumption. The pump and fan(s) power draw outweigh the reduce voltage leakage from lower temperatures.

I did say it depends. Besides, lower or higher, the differences are almost always negligible.
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