Vetted hvac providers across 10 Louisiana cities. Each provider is scored on a 0–100 Vouched Score blending public-record signals, customer reviews, and editorial assessment. See methodology →
Local cost drivers — climate, code, utility rebates, and refrigerant rules — that shape hvac pricing in Louisiana.
Louisiana sits entirely in IECC zone 2A — hot and humid, among the most cooling-dominated states in the country — so Gulf latent load makes correct sizing and dehumidification as important as raw tonnage, and coastal hurricane, flood, and salt-air exposure push equipment toward elevation and corrosion-rated components in the southern parishes, adding to install cost.
Rebates depend on utility territory: Entergy Louisiana's statewide Entergy Solutions efficiency program is on hold through 2026 during an administrator transition, so no statewide HVAC rebate is currently bookable; in the separate Entergy New Orleans territory, the Energy Smart program still pays HVAC rebates (historically up to ~$250 for a qualifying AC or heat pump and up to ~$500 for a ductless mini-split) while funds last — confirm current availability.
A state mechanical (HVAC) contractor license from the Louisiana State Licensing Board for Contractors is required once a project exceeds $10,000 (a notably lower trigger than the general commercial threshold), smaller existing-home jobs need a Home Improvement registration, and refrigerant handling requires federal EPA Section 608 certification.
Last updated May 11, 2026
Estimated ranges for Louisiana. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| AC repair (typical service call) | $150–$650 |
| Furnace repair | $150–$900 |
| Tune-up / annual maintenance visit | $90–$200 |
| Full AC system replacement (3-ton, installed) | $5,500–$13,000 |
| Furnace replacement (installed) | $3,000–$8,500 |
| Heat pump installation | $5,000–$14,500 |
| Mini-split (single-zone, installed) | $2,500–$6,500 |
| Duct cleaning (whole-home) | $350–$800 |
| Duct sealing (Aeroseal or similar) | $1,500–$3,500 |
| Whole-house humidifier (installed) | $400–$2,500 |
| Whole-house dehumidifier (installed) | $1,500–$3,500 |
| Emergency / after-hours service premium | $150–$500 |
See broader context: HVAC pricing nationwide