How Efficient Are Filament Light Bulbs?
How Efficient Are Filament Light Bulbs? incandescent lamps have efficiency ratings around 10 lumens/watt. Unfortunately most of the energy they consume (~90%) goes into generating heat. Incandescent lights have the worst lifespan on the market. The average bulb lasts around 1,200 operating hours. Are filament light bulbs energy efficient? Incandescent bulbs are much less efficient … Continue reading How Efficient Are Filament Light Bulbs?
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