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Or the space heater is more efficient because it's not producing light.
by nicholsonpk 4y ago
Or the space heater is more efficient because it's not producing light.
- CamperBob2 4y agoSafe to say it's a fraction of a watt at most. Some sources found via a quick Google search indicate that the light output from a 70-watt incandescent light bulb is equivalent to about 100 standard candles. Sounds truthy enough.