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Guide to greener kitchens: cooktops and ranges 8/11
(This article is adapted from

Intro | Refrigerators | Dishwashers | Cooktops and ranges
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Energy-efficient ranges and cooktops

Ranges and cooktops use relatively little energy compared to refrigerators. Newer technology has helped some models combine miserly energy use with ultra-fast heating.

Induction ranges and cooktops, for example, use an electromagnetic field that sends most of the heat to the cooking surface, so they are the most efficient overall. They've also been top performers in Consumer Reports’ tests of cooktops and ranges, with faster cooktop heating than even the fastest conventional electric models, and they have fallen in price. But you'll need to invest in magnetic cookware for the process to work.

To keep any range or cooktop as efficient as possible, here are some suggestions:
• Don't open the oven door too often; each time sheds about 25 degrees F of heat.

• Use the self-cleaning mode while the oven is still hot so it reaches maximum temperature more quickly.

• Use glass or ceramic pans, which allow cooking at up to 25 degrees F lower than with a metal pan.
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