Furnace Replacement cost: Rapid City vs Sioux Falls (2026)
In 2026, furnace replacement is about 1% more expensive in Rapid City than in Sioux Falls. Most homeowners pay around $5,750 in Rapid City versus $5,700 in Sioux Falls — a gap of roughly $50.
Rapid City SD
Typically around $5,750
Sioux Falls SD
Lower costTypically around $5,700
Rapid City vs Sioux Falls: full breakdown
| Factor | Rapid City | Sioux Falls |
|---|---|---|
| Typical 2026 cost | $5,750 | $5,700 |
| Estimated range | $4,100–$7,350 | $4,050–$7,300 |
| Labor index (vs US) | ×0.95 | ×0.94 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.08 | ×1.08 |
| Local permit | $200 | $200 |
| Labor share | $3,450 | $3,400 |
| Materials/equipment | $2,300 | $2,300 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
Rapid City vs Sioux Falls
Is furnace replacement cheaper in Rapid City or Sioux Falls?
In 2026, furnace replacement is cheaper in Sioux Falls at about $5,700, versus $5,750 in Rapid City — a difference of about $50 (1%).
Why does furnace replacement cost more in Rapid City than Sioux Falls?
The main driver is local labor rates: Rapid City's labor index is 0.95 versus 0.94 in Sioux Falls. Climate zone (cold vs cold) also shift the total.
How much is furnace replacement in Rapid City, SD?
In Rapid City, furnace replacement typically runs $4,100–$7,350 in 2026, with most homeowners paying around $5,750.
Updated June 2026 · By Costadia Editorial