South Carolina refrigeration work runs on food plants and cold storage more than storefront service. Poultry and meat processing anchor the industrial side around Columbia, Florence and the Upstate, which means ammonia systems and second- and third-shift coverage are a real part of the market here. South Carolina has no statewide refrigeration or HVAC license, so your EPA 608 certification plus field experience carries most of the weight with employers; check state license requirements before you assume a card is needed.
Pay tracks certification, shift and on-call load more than location. Ammonia operator and industrial roles at the plants tend to sit above straight commercial service work; see how South Carolina compares in the salary-by-state ranking. Overtime and call-out premiums on 24/7 plant coverage are where a lot of techs pick up real money.
If you're breaking in, the fastest route is a helper or apprentice spot with EPA 608 in hand, then add RETA CARO or CIRO to move toward the higher-paying ammonia side. HVAC techs already in the state can cross over the same way.
South Carolina has no statewide refrigeration or HVAC license, so employers lean on your EPA 608 card and hands-on experience; some municipalities set their own mechanical rules, so confirm locally.
Industrial and ammonia work at food, poultry and cold-storage plants dominates, especially around Columbia, Florence and the Upstate, alongside commercial rack service in the Charleston and Greenville metros.
Start with EPA 608 and a helper role, then earn RETA CARO or CIRO to qualify for ammonia operator work at the state's processing plants, where on-call and overtime lift pay further.