Spray Foam Insulation cost: Charleston vs Huntington (2026)
In 2026, spray foam insulation is about 1% more expensive in Charleston than in Huntington. Most homeowners pay around $3,550 in Charleston versus $3,500 in Huntington — a gap of roughly $50.
Charleston WV
Typically around $3,550
Huntington WV
Lower costTypically around $3,500
Charleston vs Huntington: full breakdown
| Factor | Charleston | Huntington |
|---|---|---|
| Typical 2026 cost | $3,550 | $3,500 |
| Estimated range | $1,400–$5,650 | $1,400–$5,600 |
| Labor index (vs US) | ×0.95 | ×0.93 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $1,950 | $1,950 |
| Materials/equipment | $1,600 | $1,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Charleston vs Huntington
Is spray foam insulation cheaper in Charleston or Huntington?
In 2026, spray foam insulation is cheaper in Huntington at about $3,500, versus $3,550 in Charleston — a difference of about $50 (1%).
Why does spray foam insulation cost more in Charleston than Huntington?
The main driver is local labor rates: Charleston's labor index is 0.95 versus 0.93 in Huntington. Climate zone (mixed vs mixed) also shift the total.
How much is spray foam insulation in Charleston, WV?
In Charleston, spray foam insulation typically runs $1,400–$5,650 in 2026, with most homeowners paying around $3,550.
Updated June 2026 · By Costadia Editorial