Trade directory · North Charleston metro · South Carolina

HVAC contractors in
North Charleston, South Carolina.

A public directory of licensed hvac contractors serving greater North Charleston. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
1,701
U.S. Census Bureau
Peak Season
May through September for cooling systems, November through February for heating repairs
Market estimate
Avg. Response Time
24-48 hours for quotes, 2-4 hours for emergency service calls
Operator average
Avg. Hourly Wage
$26/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

NORTH CHARLESTON-SC · LOCAL ESTIMATES
Service
Description
Cost Range
AC unit replacement (3-ton)
Typical range based on local ac unit replacement (3-ton) jobs.
$3,500 – $7,500
Furnace installation
Typical range based on local furnace installation jobs.
$2,800 – $6,000
Ductwork replacement
Typical range based on local ductwork replacement jobs.
$2,200 – $5,500
Heat pump installation
Typical range based on local heat pump installation jobs.
$4,000 – $8,500
Annual maintenance contract
Typical range based on local annual maintenance contract jobs.
$150 – $400
Emergency repair service
Typical range based on local emergency repair service jobs.
$200 – $800
§ B · Regulatory

Licensing Requirements

SC
§1

Licensing Requirements

South Carolina requires Mechanical Contractor License through LLR Board of Contractors. Must pass PSI examination, provide 4 years experience or approved apprenticeship, carry $10,000 surety bond. Renewal every 2 years with 8 hours continuing education. Individual technicians need EPA Section 608 certification for refrigerant handling.

§2

Permit Requirements

City of North Charleston requires mechanical permits for new installations, replacements over $1000, and ductwork modifications. Permit fees range $50-200 based on project scope. Submit plans for commercial projects over 25 tons.

§3

Inspection Schedule

Rough-in inspection before concealing ductwork, final inspection before energizing system. Commercial projects require additional inspections for fire/smoke dampers and control systems.

§4

Insurance Minimums

South Carolina requires $300,000 general liability and $300,000 property damage coverage for licensed mechanical contractors. Workers compensation mandatory if employees present.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet experience requirements

Document 4 years of mechanical contracting experience or complete approved apprenticeship program. Experience must be in installation, maintenance, or repair of HVAC systems.

01/06
2

Submit application to LLR

File Mechanical Contractor application with South Carolina Department of Labor, Licensing and Regulation. Include experience documentation, references, and application fees.

02/06
3

Pass PSI examination

Schedule and pass the mechanical contractor examination administered by PSI. Exam covers codes, safety, business law, and technical knowledge.

03/06
4

Obtain surety bond

Secure $10,000 surety bond from approved surety company. Bond must remain active throughout license period.

04/06
5

Provide insurance proof

Submit certificates of insurance showing minimum $300,000 general liability and property damage coverage.

05/06
6

Get EPA certification

Obtain EPA Section 608 certification for refrigerant handling through approved testing organization. Required for all technicians working with refrigerants.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

North Charleston's HVAC market runs hot with steady residential growth in subdivisions like Park Circle and Riverfront, plus industrial demand from the port and Boeing facility. Competition is fierce among 1701 licensed establishments statewide, but coastal humidity keeps replacement cycles shorter than inland markets. Salt air corrosion drives premium equipment sales, and hurricane prep creates seasonal spikes. Labor costs average $26.45 hourly per BLS data, but skilled techs command more. Getting licensed in South Carolina means navigating LLR's Mechanical Contractor requirements - 4 years experience, PSI exam, and $10,000 bond before you turn a wrench legally. North Charleston permit office moves fast but expects proper documentation. Peak season runs May-September when units fail under load, so stock parts and prep crews early. EPA 608 certification is non-negotiable for refrigerant work. Insurance minimums are $300K liability, but carry more for commercial jobs. Know your salt air installation techniques and hurricane tie-down requirements.

Data Sources
  • Median hourly wage $26.45
    U.S. Bureau of Labor Statistics Occupational Employment Statistics
  • 1701 licensed establishments statewide
    U.S. Census Bureau County Business Patterns
  • Licensing requirements and fees
    South Carolina Department of Labor, Licensing and Regulation
  • Permit requirements and costs
    City of North Charleston Building Department
  • Insurance requirements
    South Carolina Contractors Licensing Board
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work HVAC in North Charleston, SC?

South Carolina Mechanical Contractor License through LLR Board of Contractors, plus EPA Section 608 certification for refrigerant handling. Requires 4 years experience and passing PSI examination.

Q/02

How much do HVAC contractors make in South Carolina?

BLS reports median hourly wage of $26.45 ($55,016 annually) for HVAC technicians in South Carolina, though experienced contractors and business owners typically earn significantly more.

Q/03

Do I need permits for HVAC work in North Charleston?

Yes, City of North Charleston requires mechanical permits for new installations, equipment replacements over $1000, and ductwork modifications. Permit fees range $50-200 based on project scope.

Q/04

When is peak season for HVAC work in North Charleston?

Cooling season May-September sees highest demand for AC repairs and replacements. Heating repairs peak November-February. Hurricane season creates additional emergency service opportunities.

Q/05

What insurance do HVAC contractors need in South Carolina?

State requires minimum $300,000 general liability and $300,000 property damage coverage for licensed mechanical contractors, plus workers compensation if you have employees.

§ F · Directory

HVAC contractors in North Charleston

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