Ductless Mini-Split Installation Cost in South Carolina

Across South Carolina, homeowners pay $3,300 to $7,800 for ductless mini-split installation. Climate, labor rates and housing age all move the price. In South Carolina's cities, the median home dates to about 1989.

Ductless Mini-Split Installation Prices in South Carolina Cities

City	Estimate	Heating / cooling degree days
Charleston	$4,000 to $9,300	1,623 / 2,447
Columbia	$3,100 to $7,200	2,572 / 2,075
North Charleston	$3,300 to $7,700	1,844 / 2,434
Mount Pleasant	$4,600 to $10,800	2,051 / 2,279
Rock Hill	$3,100 to $7,400	2,871 / 1,839

From 2020 through 2025, NOAA recorded 103 winter storm and ice events, 6 heat events, 28 extreme cold events and 649 hail reports in South Carolina. Those are the days when emergency HVAC calls pile up.

When It Makes Sense

The house or addition has no ductwork
One room is always too hot or too cold
You want to get rid of window units or baseboard heat
You're finishing a basement, attic or garage

What Moves the Price

How many zones (indoor heads) you need
BTU capacity for each zone
A cold-climate model or a standard one
Line set length and how many holes go through the wall
A dedicated electrical circuit and disconnect

Common Questions

How much does a multi-zone mini-split cost?

Installed, most multi-zone systems run $8,000 to $18,000, depending on the number of zones and the brand.

Can a mini-split heat a whole house?

In a smaller house or an open floor plan, yes. Bigger houses usually need several zones or a ducted heat pump.

Other HVAC Prices in South Carolina

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