What size air conditioner to buy?

Area in square feet BTU/hour

1. 100 to 150 5,000


2. 150 to 250 6,000


3. 250 to 350 7- 8,000


4. 350 to 400 9,000


5. 400 to 450 10,000


6. 450 to 550 12,000


7. 550 to 700 14,000


8. 700 to 1,000 18,000

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