Mini Split Size CalculatoradminMarch 21, 2025Temz Calculators Mini Split Size Calculator Basic Calculator Advanced Calculator Enter the required details to calculate your mini split size Room Area (sq. ft.) Ceiling Height (ft.) Climate Zone Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 BTU Output Room Volume (cu. ft.) Insulation Quality Poor Average Good Window Area (sq. ft.) Climate Zone Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 BTU Output Calculate Reset