Free and open source
Mini-Split Designer
A free ductless system designer for contractors and estimators. Pick an outdoor unit, add indoor units, and get the model list, compatibility check and controls part numbers.
What it does
Lay out the system
Pick an outdoor unit and add the indoor units room by room.
Check compatibility
See right away whether the combination works before you order.
Get the parts list
Export the model numbers and controls part numbers for the estimate.
Open source
Mini-Split Designer is free to use and open source. Report issues or contribute on GitHub.
Mini-Split Designer is an independent project. It isn’t affiliated with or endorsed by Mitsubishi Electric. Mitsubishi Electric is a trademark of its owner.
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