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With just four candles, Egloo can heat a room up to 90 square feet in size, which means you can warm up those spaces that just refuse to get toasty. Once you light the candles, Egloo is ready to go in 5 minutes and, after 30 minutes, the space around the heater will climb 10 degrees. It’s the perfect thing for chilly rooms or your patio during the cooler weather.

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Related: VIDEO: How to make an electricity-free radiant space heater that heats your home for pennies a day

The Egloo’s terracotta warms up and retains heat thanks to a few candles placed under the dome. According to the manufacturer, Egloo is composed of four elements: “the base, the grill and the two domes. The base offers a space for the positioning of the candles that, once you light them up, will warm the domes up. There is a metal grill placed on the base, serving as a support for the domes. It makes a space to let the air in, necessary for the combustion of the candles.”

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The 3D-printed heater comes in a variety of colors and finishes – like matte black, lacquered purple or simple terracotta – and the base model starts at about 50 dollars.

+ Egloo