HVAC Load Calculator: What Size Mini Split Do I Need?

1. Your climate region

Tap your state on the map, or pick a region here.

2. Room size

Same ranges we group our systems by, so the result matches a real collection.

3. Ceiling height

Fine-tune the estimate (optional)

Insulation Grade

Sun Exposure

Amount of Windows

Windows & Doors Air Tightness

Is this a Glass Sunroom?

Occupants

Is this a Kitchen?

Heat-producing devices, W

Region #1Region #2Region #3Region #4Region #5Our warehouses

Colours show climate regions — they set the load correction. Pins are our three warehouses.

Delivery from three US warehouses

Pick your state on the map to see your delivery time

Free shipping on items over $300
Insured freight
Leaves the warehouse in 1–2 business days

Delivery zones & details

Recommended capacity

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Calculated cooling load: —

Find matching products Browse all systems for this room size

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* The suggested BTU values are provided in good faith and are meant for general informational purposes only. We do not guarantee their accuracy, reliability, or completeness. Specific conditions and unique variables in real-world installations may significantly influence or invalidate these estimates. For precise load calculations, we strongly recommend consulting a licensed design engineer. Accurate results can only be obtained after a comprehensive on-site evaluation and consideration of all relevant factors.