Living: Gizmos To Save Energy

Wood stoves are not the only energy-and money-saving gadgets for the home. From Casablanca-style ceiling fans to recently developed vent dampers and superefficient furnaces, Americans are turning to technologies old and new to scrimp and save on precious energy.

Proper house insulation is the first prerequisite for the effective use of any energy-saving device. The newly designed $1,400 Blueray furnace, for example, captures as much as 90% of the energy that is locked in a gallon of heating oil, vs. the 70% recovered by a conventional furnace. But it makes no sense to...

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