Linked by Thom Holwerda on Sun 11th Jan 2009 23:31 UTC
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Member since:
2005-07-08
I don't think that is completely true at all, although I can see how you might come to that conclusion.
The way we use AC in our Boston suburb home is to set the cooling temp high around 80f, the AC is only really removing the humidity and after that, the 80f dry air is quite tolerable. The AC only has to work a fraction of the level I think it would otherwise if set to 65f chill. Our summer electric bill is quite modest. The PCs may be pushing up the room temps a bit but spread over the house, no big deal. If you set the AC temp to 60+ then of course all the added heat would have to be pumped out as well and the AC would be working much harder. I bet work offices though have it much worse as they usually set the dial pretty low.
I would urge folks to get a power meter (about $20 or so) to get a handle on what their true energy costs really are. My workstation is 140W, 21" CRT 140W, 24" LCD 40W and so on. It is clear the replacement of CRT with LCD is the best 1st move but I'm waiting for this last CRT to die off. After that replacing the 90um P4 and GPU with a 45nm equivalents will surely drop to half again.
Of course if you own a large Plasma or LCD TV with multimedia gear or drive a large vehicle those are far worse excesses.
Now it is also well known in the industry that since PCs went from 80s ownership levels to current levels, electric utilities have seen a large spike in usage (about +20% IIRC), but that should go down with newer PC units and with crossover use of laptops, only to get replaced by large digital TV units.