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| pellikkan |
Posted: Feb 20 2012, 09:29 PM
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Newbie ![]() Group: Members Posts: 1 Joined: 20-February 12 Positive Feedback: 0% Feedback Score: 0 |
Question; How many watts of air conditioner power are required
to eliminate a certain amount of heat wattage produced by indoor appliances? As an example, let's say that an air conditioner is keeping a home at 78 degrees, and then a 100 watt light bulb is turned on inside, releasing 100 watts of heating into the indoor air. Then how many additional watts would be required for the air conditioner to maintain the temperature? I would guess that it would be at least 100 extra air conditioner watts, plus more for inefficiency waste, maybe coming to 150 watts or more, making the burning of the 100 watt lightbulb to cost upwards of 300 watts or so of electric power. I'm certain I could find the answer somewhere on google, but there is so much information on there nowadays that it is sometimes easier to ask someone in the know. So thanks in advance for any "cool illumination" on this question! |
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Posted: Apr 24 2012, 04:06 PM
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The answer is no it doesn't require at least 100 watts of air conditioner power to eliminate 100 watts of heat produced from appliances. A heat pump cooler operating at COP_{cooling} 2.0 removes 2 units of heat for each unit of energy consumed (e.g. an air conditioner consuming 1 kWh would remove 2 kWh of heat from a building's air).
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