Attic Insulation cost: Columbia vs Florence (2026)
In 2026, attic insulation is about 3% more expensive in Columbia than in Florence. Most homeowners pay around $3,700 in Columbia versus $3,600 in Florence — a gap of roughly $100.
Columbia SC
Typically around $3,700
Florence SC
Lower costTypically around $3,600
Columbia vs Florence: full breakdown
| Factor | Columbia | Florence |
|---|---|---|
| Typical 2026 cost | $3,700 | $3,600 |
| Estimated range | $1,450–$5,900 | $1,450–$5,700 |
| Labor index (vs US) | ×0.96 | ×0.93 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | None | None |
| Labor share | $2,050 | $2,000 |
| Materials/equipment | $1,650 | $1,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national attic insulation range for local labor, climate and permits.
Columbia vs Florence
Is attic insulation cheaper in Columbia or Florence?
In 2026, attic insulation is cheaper in Florence at about $3,600, versus $3,700 in Columbia — a difference of about $100 (3%).
Why does attic insulation cost more in Columbia than Florence?
The main driver is local labor rates: Columbia's labor index is 0.96 versus 0.93 in Florence. Climate zone (hot vs hot) also shift the total.
How much is attic insulation in Columbia, SC?
In Columbia, attic insulation typically runs $1,450–$5,900 in 2026, with most homeowners paying around $3,700.
Updated June 2026 · By Costadia Editorial