Mini-Split Sizing Calculator

Size ductless mini-split systems based on room dimensions, insulation quality, windows, and climate zone.

Room Size

sq ft

Ceiling Height

Window Area

sq ft

Insulation Quality

Climate Zone

Tab to move between fields

Required BTU

10,600 BTU/hr

Recommended Size

1 tons

Typical SEER Rating20

Est. Annual Cooling Cost$103

How to Use This Calculator

Enter Room Size, Ceiling Height, and Window Area.
Set Insulation Quality and Climate Zone.
Review Required BTU (BTU/hr) and Recommended Size (tons).
Use Typical SEER Rating and Est. Annual Cooling Cost ($) to inform your decision.

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