HVAC contractors in
Columbia, South Carolina.
A public directory of hvac contractor businesses serving greater Columbia. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
HVAC jobs in Columbia
0 open jobs in Columbia.
The controlled job pilot is not open yet.
Common Job Costs
Licensing Requirements
Licensing Requirements
SC requires Mechanical Contractor License through LLR. Must pass PSI exam covering mechanical codes, safety, and business law. Requires 4 years experience or technical education equivalent. License renewal every 2 years with 6 hours continuing education.
Permit Requirements
City of Columbia requires mechanical permits for new installations, replacements over $1000, and ductwork modifications. Permits range from $40-200 depending on scope. Online application through Columbia permitting portal.
Inspection Schedule
Initial rough-in inspection before covering work, final inspection before energizing. Schedule 24-48 hours advance notice. Re-inspection fee $75 if failed.
Insurance Minimums
General liability minimum $300,000, workers compensation if employees, bonding requirements vary by contract value. Commercial vehicle insurance required.
Compliance research unavailable
Source status: unavailable · 7/19/2026
Detailed instructions are withheld because the source is not available for verification.
Local market snapshot
Source: DoorBase, aggregated public ZIP-level data. Updated 8/17/2026.
How to Get Licensed
Document Experience
Gather documentation proving 4 years HVAC experience or equivalent technical education. Employer verification letters must detail specific work performed and dates.
Submit Application
Complete LLR mechanical contractor application online with required fees ($110 application, $50 examination). Include proof of experience and education transcripts if applicable.
Schedule PSI Exam
Once application approved, schedule mechanical contractor examination through PSI. Exam covers mechanical codes, safety regulations, and business law. Study guides available through PSI.
Pass Examination
Take and pass the PSI mechanical contractor exam. Results available immediately. Score of 70% or higher required to pass.
Obtain Insurance
Secure required insurance coverage including general liability minimum $300,000 and workers compensation if employing others. Submit certificates to LLR.
Receive License
Upon passing exam and meeting all requirements, LLR issues mechanical contractor license. License must be renewed every 2 years with 6 hours continuing education.
About This Market
Columbia's HVAC market runs hot and steady - literally. With 1701 licensed establishments statewide competing for work, you're looking at decent demand driven by the brutal summer heat and humidity. Residential replacement jobs dominate, with heat pumps being the preferred system. Cost drivers include equipment availability, ductwork condition in older homes, and the push for higher SEER ratings. Emergency repair calls spike when temps hit 95+ degrees in July and August. The market splits between established players with commercial contracts and smaller outfits chasing residential service calls. You better know your load calculations and duct design - homeowners are getting smarter about efficiency. Getting licensed in SC means jumping through LLR hoops - plan on 60-90 days for the full process if you have your experience documented. The mechanical contractor exam isn't a joke, and they check your background thoroughly. Columbia's permitting runs smooth if you know the process, but inspectors are sticklers for code compliance, especially on ductwork sealing and refrigerant handling. Peak season starts in April when smart homeowners prep their systems, then goes full throttle May through September. Have your inventory stocked by March or you'll be scrambling for equipment when the heat hits.
- Number of licensed establishmentsUS Census Bureau
- Licensing requirementsSC Department of Labor, Licensing and Regulation
- Permit costs and requirementsCity of Columbia Building Services
- Cost ranges and market dataIndustry estimates based on regional market analysis
- Insurance minimumsSC Department of Labor, Licensing and Regulation
Frequently Asked Questions
What license do I need to do HVAC work in Columbia, SC?
You need a Mechanical Contractor License from SC Department of Labor, Licensing and Regulation (LLR). This requires 4 years experience, passing the PSI exam, and maintaining insurance coverage.
How much does an AC replacement cost in Columbia?
Residential AC replacement typically runs $4,500-$8,500 for a 3-4 ton unit, depending on SEER rating, ductwork condition, and installation complexity. Heat pumps range $3,800-$7,200.
Do I need permits for HVAC work in Columbia?
City of Columbia requires mechanical permits for new installations, equipment replacements over $1,000, and ductwork modifications. Permits cost $40-$200 depending on scope and require inspections.
When is peak season for HVAC contractors in Columbia?
Peak season runs April through September. Smart contractors prep inventory by March as equipment demand spikes when temperatures consistently hit 90+ degrees from May through August.
How many HVAC contractors operate in South Carolina?
According to Census data, approximately 1,701 licensed HVAC establishments operate statewide in South Carolina, creating competitive market conditions especially in metro areas like Columbia.
HVAC contractors in Columbia
No contractors listed yet.
Run your hvac business on The Forge.
Apply to be listed on The Board for free. Manage leads, quotes, jobs, and follow-ups in one place, built for independent operators and growing crews.