But he points out that there are times when space heaters don't make sense. Michael Lamb, a certified energy manager at the Energy Efficiency and Renewable Energy Clearinghouse in Merrifield, Virginia, agrees that it's nearly impossible to provide an average savings figure. 'In areas like Chicago or Boston, where it's 8 to 10 cents per kilowatt-hour, the savings would be a lot less,' he says. According to Stevens, 'turning down the thermostat 10☏ and using a space heater for six hours a day can cut heating costs by 19 percent.' However, the cost of electricity in Lincoln is about 5 cents per kilowatt-hour (kWh). Nelson Stevens, an energy-management specialist at Lincoln Electrical Systems in Lincoln, Nebraska, says that's entirely possible in his area. Some manufacturers claim that their heaters can slash heating bills by 20 percent.

Some folks will save money, others won't, depending on the price of fuel in their area, the climate they live in, the size of their home, its insulation levels, and the age and efficiency of their furnace. We wish we could tell you unequivocally that turning down your furnace and using a portable heater will save you money, but the reality is more complicated. RADIANT HEATERS, like the Marvin 2060, generate infrared radiation to warm objects and people within the beam. Among them: Do portable space heaters actually reduce overall energy bills? And, given how hot they get, are they truly safe? We decided to investigate. But portable heaters raise a number of questions as well. Most of us know how good heat from one of these small appliances feels when it's sitting a few feet away. Second, huge pyramid displays of portable space heaters began to appear in home centers, discount stores, appliances stores, and even chain drug stores. First, each season's heating bill was significantly higher than the previous season's. A few years ago, we began to notice two closely related trends.

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