Trade directory · Columbia metro · South Carolina

HVAC contractors in
Columbia, South Carolina.

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

Licensed Establishments
1,701
U.S. Census Bureau
Peak Season
April through September, with highest demand May-August during cooling season
Market estimate
Avg. Response Time
24-48 hours for estimates, same-day for emergency repairs during peak season
Operator average
§ A · Market rates

Common Job Costs

COLUMBIA-SC · LOCAL ESTIMATES
Service
Description
Cost Range
Central AC unit replacement
Typical range based on local central ac unit replacement jobs.
$3,500 – $8,000
Heat pump installation
Typical range based on local heat pump installation jobs.
$4,000 – $9,500
Ductwork replacement
Typical range based on local ductwork replacement jobs.
$2,800 – $6,500
Furnace installation
Typical range based on local furnace installation jobs.
$3,000 – $7,200
AC repair service call
Typical range based on local ac repair service call jobs.
$150 – $450
Complete system installation
Typical range based on local complete system installation jobs.
$6,000 – $15,000
§ B · Regulatory

Licensing Requirements

SC
§1

Licensing Requirements

SC requires Mechanical Contractor License through LLR. Must pass PSI exam, show 4 years experience or approved apprenticeship, carry $10,000 surety bond. Journeyman HVAC license requires 4 years experience and exam. Renewed every 2 years with continuing education requirements.

§2

Permit Requirements

HVAC permits required through City of Columbia Building Services. Mechanical permits needed for new installations, replacements over 65,000 BTU, and ductwork modifications. Residential permit fees $50-200, commercial varies by project scope.

§3

Inspection Schedule

Rough-in inspection after ductwork installation, final inspection after equipment installation and before occupancy. Commercial projects may require additional inspections per code official discretion.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, $600,000 aggregate. Workers compensation required if employees. Many contractors carry $1M+ to meet commercial client requirements.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Meet experience requirements

Document 4 years of HVAC experience through employment records or complete an approved apprenticeship program. Experience must be in mechanical contracting work.

01/05
2

Obtain surety bond

Purchase a $10,000 surety bond from an approved provider. Bond must remain active throughout license period to maintain compliance.

02/05
3

Submit application

Complete mechanical contractor application through SC Department of Labor, Licensing and Regulation website. Include experience documentation, bond information, and application fee.

03/05
4

Schedule and pass PSI exam

Register for the mechanical contractor examination through PSI Services. Study trade knowledge, codes, and business law. Pass with minimum 70% score.

04/05
5

Receive license and maintain

Once approved, receive mechanical contractor license number. Renew every 2 years with continuing education requirements and updated bond information.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Columbia's HVAC market stays busy year-round with 1701 licensed establishments statewide competing for work. Heat pumps dominate residential installs due to mild winters, while commercial work drives higher margins. Costs run 10-15% below Atlanta rates but above rural SC markets. Emergency repairs during summer heat waves command premium pricing. New construction in suburbs like Lexington and Irmo keeps contractors booked, while downtown commercial renovations offer steady work. The market supports both large firms and one-man operations, but customer service and quick response times separate winners from strugglers. Get your SC Mechanical Contractor License first - no shortcuts here. The state takes licensing seriously with real exams and experience requirements. Summer heat creates emergency call opportunities, but spring and fall are when smart contractors book their profitable replacement jobs. Know the local codes - Columbia updated mechanical requirements recently. Build relationships with supply houses early since material delays kill schedules. Residential heat pump replacements are your bread and butter, but don't ignore the commercial market downtown. Keep your insurance current and permits pulled properly - inspectors here know their stuff.

Data Sources
  • Licensed establishments count
    US Census Bureau County Business Patterns
  • Licensing requirements
    SC Department of Labor, Licensing and Regulation
  • Permit requirements
    City of Columbia Building Services Department
  • Cost ranges
    Local contractor survey estimates
  • Insurance minimums
    SC Department of Insurance and industry standards
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as an HVAC contractor in Columbia, SC?

You need a South Carolina Mechanical Contractor License issued by the Department of Labor, Licensing and Regulation. This requires passing the PSI exam, proving 4 years of experience, and posting a $10,000 surety bond.

Q/02

How much does HVAC installation cost in Columbia?

Complete system installations range from $6,000-$15,000 depending on size and efficiency. Heat pump replacements run $4,000-$9,500, while central AC units cost $3,500-$8,000. Estimates based on local contractor surveys.

Q/03

Do I need permits for HVAC work in Columbia?

Yes, mechanical permits are required through Columbia Building Services for new installations, equipment replacements over 65,000 BTU, and major ductwork modifications. Permit fees range from $50-$200 for residential work.

Q/04

When is peak season for HVAC contractors in Columbia?

April through September, with highest demand May-August during cooling season. Emergency repair calls spike during summer heat waves, while replacement installations peak in spring and early fall.

Q/05

How many HVAC contractors operate in South Carolina?

Approximately 1,701 licensed HVAC establishments operate statewide according to Census data. Columbia metro area represents a significant portion of this market due to population density and commercial activity.

§ F · Directory

HVAC contractors in Columbia

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