Full HVAC System Replacement cost: Hattiesburg vs Jackson (2026)
In 2026, full HVAC system replacement is about 0% less expensive in Hattiesburg than in Jackson. Most homeowners pay around $11,300 in Hattiesburg versus $11,350 in Jackson — a gap of roughly $50.
Hattiesburg MS
Lower costTypically around $11,300
Jackson MS
Typically around $11,350
Hattiesburg vs Jackson: full breakdown
| Factor | Hattiesburg | Jackson |
|---|---|---|
| Typical 2026 cost | $11,300 | $11,350 |
| Estimated range | $7,900–$14,650 | $7,950–$14,700 |
| Labor index (vs US) | ×0.93 | ×0.94 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $200 | $200 |
| Labor share | $6,800 | $6,800 |
| Materials/equipment | $4,500 | $4,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Hattiesburg vs Jackson
Is full HVAC system replacement cheaper in Hattiesburg or Jackson?
In 2026, full HVAC system replacement is cheaper in Hattiesburg at about $11,300, versus $11,350 in Jackson — a difference of about $50 (0%).
Why does full HVAC system replacement cost more in Jackson than Hattiesburg?
The main driver is local labor rates: Jackson's labor index is 0.94 versus 0.93 in Hattiesburg. Climate zone (hot vs hot) also shift the total.
How much is full HVAC system replacement in Hattiesburg, MS?
In Hattiesburg, full HVAC system replacement typically runs $7,900–$14,650 in 2026, with most homeowners paying around $11,300.
Updated June 2026 · By Costadia Editorial