Summary
Operating as an HVAC contractor in Greenville, South Carolina requires both state-level mechanical licensing and local compliance with city regulations. The South Carolina Department of Labor, Licensing and Regulation oversees contractor licensing, requiring demonstrated experience, exam passage, and ongoing education. The City of Greenville Building Division handles permit issuance and inspections for all mechanical work. Success in this market depends on maintaining proper insurance coverage, following permit procedures, and ensuring all work meets both state and local codes. With Greenville's growing residential and commercial construction market, properly licensed HVAC contractors can expect steady demand, but must stay current with licensing requirements and local ordinances to operate legally.
License Requirements
HVAC contractors in South Carolina must obtain a mechanical contractor license from the South Carolina Department of Labor, Licensing and Regulation (LLR). A Class A mechanical license allows work on unlimited size projects, while Class B is limited to projects under $50,000. Requirements include 4 years of experience, passing the PSI exam, and providing financial statements. The qualifying party must have a high school diploma or equivalent. License renewal is required every 2 years with 8 hours of continuing education. Local business license required from City of Greenville.
Permit Requirements
HVAC work in Greenville requires mechanical permits from the City of Greenville Building Division. Permits are required for new installations, replacements of existing systems, ductwork modifications, and repairs involving refrigerant lines. Submit applications with system specifications, load calculations, and equipment cut sheets. Typical processing time is 3-5 business days. Permit fees range from $50-200 based on project scope. Inspections required at rough-in, final, and sometimes pressure testing phases.
Insurance Requirements
South Carolina requires minimum $300,000 general liability insurance and $300,000 property damage coverage for mechanical contractors. Workers' compensation insurance mandatory if employing others. Many projects require $500,000-$1,000,000 liability coverage. Surety bond of $10,000 required for state license. City of Greenville may require additional bonding for larger commercial projects. Certificate of insurance must name property owner as additional insured.
Typical Cost Ranges
Residential HVAC replacement systems: $3,000-$8,000. Ductwork installation: $2,500-$6,000. Commercial rooftop units: $8,000-$25,000. Service calls and repairs: $150-$500. New construction residential systems: $4,000-$12,000. Heat pump installations: $4,500-$9,000. Ductless mini-split systems: $2,500-$7,500. Emergency after-hours service: $200-$600.
Compliance Checklist
- ✓Obtain South Carolina mechanical contractor license from LLR
- ✓Secure City of Greenville business license
- ✓Purchase required general liability and workers compensation insurance
- ✓Apply for mechanical permits through City of Greenville Building Division
- ✓Ensure all technicians have EPA 608 certification for refrigerant handling
- ✓Schedule required inspections (rough-in, final) with city inspectors
- ✓Maintain current license with continuing education requirements
- ✓Post surety bond with state licensing board
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