are space heaters more efficient than gas?
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The cost per Btu of heat for electric heat is generally more than double the cost per Btu for natural gas, especially with gas rates as low as they've been in recent years. It can be 3 to 5 times more than natural gas in some areas.
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Electric heaters are all considered to be 100% efficient, because they turn all the electricity they use into heat, but this does not mean they are cheap to run. ... The higher the power rating the more heat will be produced, but also the cost will be proportionally higher.
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So the first thing to note is that anyone trying to sell you heaters on the basis of high energy efficiency, be they Lasko space heaters or any other brand, is taking you for a ride. Every electric heater is 100% efficient at converting electricity to heat.
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Ceramic space heaters provide heat based on a strong heat conducting element and generally use convection to carry the heat forward. Infrared heaters rely on radiation and to provide heat and also do not require a fan as it is directly absorbed into our skin and clothes.
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Overall it tends to be cheaper to run and is considered at least 3 times more efficient than an open fire, so most of the heat produced stays in the room! However, gas fires do burn fossil fuel which is non-renewable and so for some people, this doesn't make it as eco-friendly as they'd like.
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According to the Department of Energy, space heaters can, at times, be more cost-effective than central heating, primarily when used to heat a single room or a small space. ... But the Lasko 754200 is not just energy-efficient; the heater is also recommended because of its top performance.
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However, new technology is better designed. In terms of efficiency the conversion of energy in the form of heat from electricity energy hasn't changed. ... New baseboard heaters can be more efficient at the passage of hot air. There is the only way of improvement other than design that you can see in these new heaters.
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Electric heating is cheaper to install than gas, has no maintenance costs and lasts for up to 50% longer than the average gas boiler. It is also 100% efficient, meaning all the electricity you use and pay for converts into heat. ... Gas heating wastes energy through the pipework.
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One reason parabolic heaters are gaining in popularity is their efficiency. Parabolic heaters can run at an 80 percent efficiency rating, meaning that they utilize 80 percent of the energy they take in to turn back into heat, wasting less energy than other heaters.
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Gibson gas furnaces come in a range of efficiencies up to 96% AFUE. If you live in an area with a longer heating season, or experience very cold winters, it is beneficial to choose a high-efficiency unit to save on heating costs.
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In general, if you only need one or two rooms to be warm, space heaters will use less energy than central heat. ... “But in terms of energy per heat output, small space heaters will rarely ever be as efficient as a central heating system,” says Tom Simchak, a senior policy-research associate at the Alliance to Save Energy.
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If you only need to warm up one or two rooms in your home, a space heater may be a more practical choice. Space heaters do use less energy as compared to using central heat. ... As such, having a space heater in every room in the home and turning them all on at the same will only cost you more, not less.
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Solar energy is most efficient in terms of environmental impact, whereas coal and natural gas are more efficient by reliable applications. Solar panels typically have an efficiency between 15% and 20%, coal has an efficiency of up to 40% and natural gas efficiency levels reach up to 60%.
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They're only cheaper to use, however, if you're using them to heat a small area or to supplement heat in one room. Space heaters are not as efficient as baseboard heaters and should never be used as a main heat source. Make sure you buy one that is energy efficient.
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The electric space heaters tested at Consumer Reports use 1,500 watts to fully power. Since you should never use a space heater while sleeping, it would cost $2.82 a day to use a space heater 16 hours a day, based on the national average electricity rate.
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Infrared space heaters are often much more expensive to purchase. Radiant heaters are designed to disperse heat using technology that radiates it in one direction mainly. This means that it is not ideal for heating large spaces. This is because the infrared energy will not heat the entire space.
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As electric boilers don't need to burn fuel to produce heat they don't lose energy through waste gases. In many cases this results in efficiency rates of 99% compared to 89% – 95% for most gas boilers. Electric boilers don't release waste gases and so are considered a much 'greener' option than burning gas or oil.