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How many square feet does a 12000 btu air conditioner cool?

The cooling capacities of the most common window air conditioning units are 5000 to 12,000 Btu. Between 450 and 550 square feet of floor space can be Cooled by a 12,000 Btu air conditioner. A room with 500 square feet of floor area can be cooled by a 12,000 Btu unit.

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