What Size AC Do I Need?
Quick answer
Stop guessing BTUs — answer 3 quick questions and buy the right unit once.
- Free, no sign-up, works on any device.
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Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.
What Size AC Do I Need?
Stop guessing BTUs — answer 3 quick questions and buy the right unit once.
Step 1 of 3
The roomMeasure the floor — that’s all we need.
ft
ft
ft
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