HVAC union pay in Charleston, SC
Union HVAC journeyman base pay in Charleston, SC runs $27.00–$36.00/hr on the 2 published UA and SMART wage sheets we hold — about $63,000 a year at $31.50/hr before the fringe package. Each rate below links to the local's full pay page with its source and effective date.
HVAC rates by local — Charleston
| Local | Journeyman / hr | Total package | Effective | Source |
|---|---|---|---|---|
| UA Local 421 pay scale | $36.00 | $50.19 | 2024-07-01 | U.S. DOL Davis-Bacon Wage Determination SC20260023 |
| SMART Local 399 pay scale | $27.00 | — | 2/1/25 | SMART Local 399 official careers page |
Base rates only; fringes are paid on top. Gulfstream does not set union rates.
HVAC union pay questions — Charleston
How much do union HVACs make in Charleston?
Journeyman base pay on the published UA and SMART sheets for Charleston, SC is $27.00–$36.00/hr, before employer-paid fringes. UA Local 421 lists $36.00/hr with a $50.19/hr total package.
Which union locals cover HVAC work in Charleston?
UA Local 421, SMART Local 399 have halls in Charleston, SC. Confirm jurisdiction with the hall before relying on a rate.
Is this the contract rate or a prevailing wage?
Each rate is labelled with its source. Some come from the local's own wage sheet; others come from a DOL Davis-Bacon determination, which is a prevailing wage and not necessarily the CBA rate. Gulfstream does not set union rates.