3 Ways to Calculate BTU Per Square Foot - wikiHow
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3 Ways to Calculate BTU Per Square Foot - wikiHow
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:max_bytes(150000):strip_icc()/air-conditioning-chart-1152654_final-02-c37c8b4fdf08432baf378e8f0cb9d8e0.jpg "Window Air Conditioning Chart (BTUs for Room Size)")