A consumer buying cooperative tested the effective heating area of 20 different electric space heaters with different wattages.
Here are the results. Heater Wattage Area 1 1,500 131 2 1,500 142 3 750 111 4 1,500 264 5 1,250 237 6 1,750 267 7 1,500 61 8 2,000 135 9 2,000 263 10 2,000 263 11 750 125 12 1,500 76 13 2,000 77 14 750 170 15 1,000 165 16 1,000 152 17 1,000 238 18 1,750 209 19 1,250 167 20 1,750 75
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