Full HVAC System Replacement cost: Charleston vs Columbia (2026)
In 2026, full HVAC system replacement is about 4% more expensive in Charleston than in Columbia. Most homeowners pay around $12,000 in Charleston versus $11,550 in Columbia — a gap of roughly $450.
Charleston SC
Typically around $12,000
Columbia SC
Lower costTypically around $11,550
Charleston vs Columbia: full breakdown
| Factor | Charleston | Columbia |
|---|---|---|
| Typical 2026 cost | $12,000 | $11,550 |
| Estimated range | $8,400–$15,600 | $8,100–$15,000 |
| Labor index (vs US) | ×0.99 | ×0.96 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $225 | $200 |
| Labor share | $7,200 | $6,950 |
| Materials/equipment | $4,800 | $4,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Charleston vs Columbia
Is full HVAC system replacement cheaper in Charleston or Columbia?
In 2026, full HVAC system replacement is cheaper in Columbia at about $11,550, versus $12,000 in Charleston — a difference of about $450 (4%).
Why does full HVAC system replacement cost more in Charleston than Columbia?
The main driver is local labor rates: Charleston's labor index is 0.99 versus 0.96 in Columbia. Climate zone (hot vs hot) and permit fees also shift the total.
How much is full HVAC system replacement in Charleston, SC?
In Charleston, full HVAC system replacement typically runs $8,400–$15,600 in 2026, with most homeowners paying around $12,000.
Updated June 2026 · By Costadia Editorial