Air-conditioning units come in sizes of whole and half tons. A 1-ton air-conditioning unit will cool a typical 1,100 sq ft house in the southern part of the United States. What size unit would be needed to cool a 3,125 sq ft house in the southern part of the United States? (Round up to the next higher whole or half ton.)
Fill in the blank(s) with the appropriate word(s).
3 ton unit
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