HVAC Costs in Charleston, SC

Verified cost ranges for hvac in Charleston

Verified by 3 sourcesUpdated May 22, 2026

HVAC Costs in Charleston

Cost ranges verified from official sources

Furnace Installation

Charleston, SC

2 sources

Low

$1,673

Average

$1,673

High

$1,952

Bureau of Labor StatisticsHomewyse

Updated May 2026

Heat Pump Installation

Charleston, SC

2 sources

Low

$4,530

Average

$4,530

High

$5,286

Bureau of Labor StatisticsHomewyse

Updated May 2026

Ductwork Installation

Charleston, SC

2 sources

Low

$70

Average

$122

High

$402

Bureau of Labor StatisticsHomewyse

Updated May 2026

Furnace Repair

Charleston, SC

2 sources

Low

$67

Average

$1,036

High

$2,699

Bureau of Labor StatisticsFixr

Updated May 2026

Thermostat Installation

Charleston, SC

3 sources

Low

$89

Average

$231

High

$402

Bureau of Labor StatisticsFixrHomewyse

Updated May 2026

Duct Cleaning

Charleston, SC

2 sources

Low

$50

Average

$1,853

High

$5,048

Bureau of Labor StatisticsFixr

Updated May 2026

Boiler Installation

Charleston, SC

2 sources

Low

$3,698

Average

$3,698

High

$4,315

Bureau of Labor StatisticsHomewyse

Updated May 2026

Boiler Repair

Charleston, SC

2 sources

Low

$76

Average

$2,250

High

$6,159

Bureau of Labor StatisticsFixr

Updated May 2026

Attic Insulation Installation

Charleston, SC

2 sources

Low

$303

Average

$5,652

High

$15,649

Bureau of Labor StatisticsFixr

Updated May 2026

Radiant Floor Heat Installation

Charleston, SC

2 sources

Low

$444

Average

$444

High

$585

Bureau of Labor StatisticsHomewyse

Updated May 2026

Understanding HVAC Costs in Charleston

Boiler installation costs in Charleston, SC vary significantly based on local market conditions, climate considerations, and regional factors. The wide range reflects differences in system complexity, property accessibility, and installation requirements. Charleston's coastal location, humid subtropical climate, and local labor availability all influence pricing. Homeowners may encounter costs anywhere within the verified range depending on their specific installation needs, existing infrastructure, and contractor selection.

How Charleston Compares

vs. National Average+5%

*Based on aggregated cost data from multiple sources

Frequently Asked Questions — HVAC Costs in Charleston

View HVAC Costs in Other Cities in South Carolina