AC replacement cost in Louisiana
Data last verified July 24, 2026
Louisiana pricing runs slightly below the national average. Our cost index for the state is 0.94, built from BLS wage data: Louisiana HVAC mechanics and installers earned a $56,880 mean annual wage in the May 2025 OES release versus $64,780 nationally, and we scale half of the estimated cost with local trade wages while holding the other half (equipment, materials, national overhead) invariant. Net effect: figure roughly 6% under national numbers.
The national baseline for a code-minimum straight-cool split system, installed: about $4,000-$8,500 for 2 tons, $5,000-$11,000 for 3 tons, and $7,000-$15,000 for 5 tons. These are estimates, not corroborated ranges — published 2025-2026 sources split into a low band and a high band that differ 40-50% at the same tonnage, so the ranges are wide on purpose. Stepping up efficiency costs roughly 1.15x for 16-17 SEER2 and about 1.35x for 18+.
One rule shapes every Louisiana quote: the state sits in the DOE Southeast region, so split-system air conditioners installed on or after January 1, 2023 must hit 14.3 SEER2 (13.8 for systems at or above 45,000 Btu/hr). That is an installation-date standard — older 13.4 SEER2 stock cannot legally go in.
Two offsets to ask about. Cleco pays per-ton rebates — $150-$250/ton for central AC at 15.2 SEER2 or better, and $350-$600/ton for heat pumps by SEER2 tier — and SWEPCO pays up to $3,500 for qualifying high-efficiency equipment. And in New Orleans, the mechanical permit is priced by the components of work rather than a flat fee, so the permit line on your quote depends on scope.
Estimated installed ranges for Louisiana
National base × Louisiana cost index (0.94). Estimate-grade — method and caveats.
| Size | Code minimum | 16–17 SEER2 (×1.15) | 18+ SEER2 (×1.35) |
|---|---|---|---|
| 2-ton | $3,750 – $8,000 | $4,300 – $9,200 | $5,100 – $10,800 |
| 2.5-ton | $4,250 – $8,950 | $4,850 – $10,250 | $5,700 – $12,050 |
| 3-ton | $4,700 – $10,350 | $5,400 – $11,900 | $6,350 – $13,950 |
| 3.5-ton | $5,150 – $11,300 | $5,950 – $12,950 | $7,000 – $15,250 |
| 4-ton | $5,650 – $12,700 | $6,500 – $14,600 | $7,600 – $17,150 |
| 5-ton | $6,600 – $14,100 | $7,550 – $16,200 | $8,900 – $19,050 |
Want it for your inputs? Use the replacement cost calculator.