Q:

Which air conditioner model has the smallest BTU rating?

A:

Quick Answer

Few, if any, air conditioners made as of 2015 have British thermal unit ratings less than 1,000 Btus. One example of such a small air conditioner is the APC2000E produced by Amcor, which is rated at exactly 1,000 Btus of cooling capacity.

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Full Answer

Air conditioners with low cooling capacity like the APC2000E are typically portable units intended to cool a very small space or single person only. They are ineffective for cooling large spaces or for cooling over an extended period of time. Modern window-mounted air conditioners are significantly more powerful than these personal air conditioners. Even the least expensive window-mounted units typically have cooling capacities of at least 5,000 Btus.

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