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Can a tea light keep you warm?

Is using tealight candles to heat your room energy efficient? In a word, No! … despite the internet craze of using clay flowerpots to store and dissipate the heat energy from burning tea light candles.

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Is using tealight candles to heat your room energy efficient?

In a word, No! … despite the internet craze of using clay flowerpots to store and dissipate the heat energy from burning tea light candles. The first law of thermodynamics, also known as Law of Conservation of Energy, states that energy cannot be created or destroyed in a chemical reaction. This means that no matter how efficient our flowerpot system is at dissipating the heat, the most energy we can hope to use to heat our room is the amount of energy available in the tea light. This amount energy will be released whether we burn the naked tea light or use it inside our flowerpot meaning that the room will be heated by the same amount. Tea light candles have about 14g of paraffin wax in each which equates to around 0.179 kWh per tea light.[1] A quick search on the net gives current prices around £3 for 100 tea lights which works out to be around 17 pence per kWh. With competitive electricity prices being around 10 pence per kWh and gas around 2.5 pence per kWh, tea light power might not be the best way forward for heating your home! This is without taking into account that if you’re burning a lot of these things you’d better have good ventilation or an open window to let all the fumes escape. If you’re hoping to heat your room or house, then you’d be much better off using traditional heating methods! That said, if you’re not hoping to heat your room by candle power and would just like a little heat on your desk, tea light candle heaters might not be as crazy as they seem. For someone like myself that spends a lot of time sat in front of a computer either working, studying or gaming, my hands spend a lot of time exposed at the keyboard. I can certainly see the attraction of having something to warm my hands on at my desk without having to heat up the rest of the room. While they might not start a nostalgic energy revolution, tea light heaters, such as the Egloo, may find themselves a niche desktop market.

[1] Ebuild

Flowerpot heater – Martin Stewart

Tealights – m01229

See also: What are Tariff Information Labels, Tariff Comparison Rates and Personal Projections and how do they help get the best deal on energy bills? and Are you paying too much for your energy?

More information about Energy Saving and Renewable Energy on YouGen.

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This article was co-authored by Anthony "TC" Williams . Anthony "TC" Williams is a Professional Landscaper in Idaho. He is the President and Founder of Aqua Conservation Landscape & Irrigation, an Idaho Registered Landscape Business Entity. With over 21 years of landscaping experience, TC has worked on projects such as the Idaho Botanical Garden in Boise, Idaho. He is a Idaho Registered Contractor and a previously Licensed Irrigator in the State of Texas. This article has been viewed 302,650 times.

Article Summary

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Before insulating your shed, make sure it's sealed, replace any broken windows, and patch any holes in the roof if necessary. Then, measure the space between the studs and the size of your shed so you know what width of insulation to buy. If your measurement is between 18 and 24 inches, purchase blanket or bat insulation and roll it out between the studs. As you move up the wall, overlap sheets of insulation where they meet. Alternatively, if your studs are closer together or further apart, use an insulation spray instead. For tips on when to use wool insulation or when you should call in a contractor, keep reading!

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