/u/LivingDaylight's posts
When I turn down the dimmer switch on my lights, do I actually use less electricity, or is the difference between the bulb's nominal wattage and the actual wattage vented as heat by the dimmer?
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Are the newfangled "infrared" heaters actually more efficient than baseboard heaters? Their claims appear to violate the laws of thermodynamics as I understand them.
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