Air Conditioner BTU Cooling Calculator for 800 sq ft (Hot)
Determine the ideal BTU cooling capacity, mini-split tonnage, and electrical energy sizing required for a 800 sq ft room in a Hot / Sunny Climate (Zone 1-2).
Formula & Calculation Logic
Base BTU = Area (sq ft) × Climate BTU Factor + Occupant Load
Inputs used by this tool
Enter values in the interactive controls when the page loads. The result depends on the assumptions and units shown for each field.
Input type: number
Input type: number
Input type: select
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