On Feb 7, 2005, at 3:34 AM, markzero wrote:
* Erik Trulsson [2005-02-05 23:55 +0100]Also keep in mind that if you leave the computer running all the time
it will show up on your electricity bill, so if you wish to save power
you should shut down your computer over night.
Given that your house needs to be warmed up (a presumption I think is
correct for Sweden as you appears to be sending from; it sure does for
Norway, I don't know about the OP), it does not matter where that heat
comes from. If your other heating is termostatically controlled, then
running your computer all night long uses no less electricity than leaving
your heating on. Eventually, all those kWhs ends up as heat. You might
just as well use it for something usefull in the way from electric to
thermic energy, and not just send your electrons through an electric
resistance for nothing (except heat-generation)!
Actually, I've found that five machines, each with two disks, onboard graphics and sound, an average 700mhz P3 with a 250w power supply haven't really made a dent on my electricity bill. In the summer of last year, however, I bought an air conditioner and this added £40 (roughly $75) to my bill. I see I'm not the only one that thought of using the servers AS the heating!
My basement where my Apple G5 runs, during the cold snaps we've recently had in PA, was typically ~50-55 degrees Farenheit. The computer keeping itself warm was a bonus.
As for electrical use, I remember I once needed to drain an APC UPS so I hooked it up to a Christmas tree in the living room to run it down. The load meter on the front, although it's a very very rough indicator of load, had the same number of bars for the Xmas tree as it did for the old PIII with monitor and some peripherals hooked up to it...
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