30 December 2008

Thermostats, Tissues, Light Bulbs, and Power Strips

The Green Lantern presents a superefficient, four-in-one economy answer pack!

By Jacob Leibenluft

In an effort to do a little New Year's cleaning, here are some quick answers to a few popular (though not so consequential) questions that keep showing up in the Lantern's inbox:

I've heard that my appliances waste energy even when I'm not using them, so long as they're still plugged in. Can I save that "vampire power" by plugging everything into a power strip? Or will the surge protector suck its own vampire power?

It's not hard to see why this brainteaser is so popular among the Lantern's readers. This column thrives on tricky lifestyle questions with unexpected answers. It may be interesting to ask whether polystyrene coffee cups are really worse than a dish-washed mug or whether a CSA is still environmentally friendly if its members waste a lot of food. But there's a risk to trying to be too clever about these things. Yes, according to data from the Lawrence Berkeley National Laboratory, some types of power strips do waste a tiny bit of electricity even when switched off. But that doesn't mean you shouldn't use them whenever possible to cut down on vampire power waste.

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