AC Installation & Replacement in New Orleans, LA
- Included: load sizing, new condenser and coil or full system, refrigerant charge, drain line, thermostat connection, and a startup performance check.
- Timing: most single-system swaps finish in one day; new ductwork or a full change-out can run two days.
- Cost: a straight replacement typically ranges $4,500–$9,500 depending on tonnage and efficiency; high-SEER or ducted jobs run higher.
- We handle: central split systems, heat pumps, and mini-split installs across Orleans Parish.
- Booking: call (504) 238-4634 for a free on-site assessment; the minimum service charge is $150.
Replacement makes sense when a system is past 12–15 years, uses R-22 refrigerant, or needs a repair costing more than a third of a new unit. In New Orleans the constant humidity load matters more than raw temperature — an oversized unit short-cycles, cools fast but never runs long enough to pull moisture out, and you end up with a clammy house and mold risk. That is why we run a Manual J-style load calculation instead of matching whatever tonnage was there before. Older Uptown and Garden District homes with high ceilings and single-pane windows often need a different size than a builder guessed decades ago.
Home type drives the install approach. Raised shotgun and double-shotgun houses in Bywater and the Marigny often have limited attic room and tight side yards, so condenser placement and line-set routing take planning. Slab-on-grade homes in Gentilly and parts of Lakeview built after mid-century usually have existing ductwork that can be reused if it's sealed and sized right. For older Treme and Broadmoor houses with no ducts, or additions where running duct is impractical, ductless mini-splits are frequently the better fit — zoned, efficient, and no attic penetration.
Efficiency choice is a real trade-off, not just an upsell. A baseline-SEER unit costs less up front and cools fine; a higher-SEER variable-speed system costs more but runs longer at low speed, which dehumidifies better in the New Orleans climate and trims summer bills when the whole block is running AC through August. If your home floods risk applies — low-lying spots near Bayou St. John or older Mid-City blocks — we set the condenser on an elevated pad or platform rather than at ground level.
Every replacement includes hauling the old equipment, a new drain line with proper slope and a safety float switch (clogged condensate drains are a common Orleans Parish callback in summer), and a startup test to confirm the refrigerant charge and temperature split before we consider the job done. We confirm the exact price only after an on-site look, because attic access, electrical, and duct condition change the number.
📞 Call (504) 238-4634AC Installation & Replacement pricing in New Orleans
| Condenser + coil replacement, matched tonnage | $4,500–$7,500 |
| Full system change-out, standard SEER | $5,500–$9,500 |
| High-efficiency variable-speed system | $8,500–$14,000 |
| Single-zone ductless mini-split install | $3,800–$6,500 |
| Diagnostic / on-site assessment (minimum charge) | from $150 |
Exact price confirmed free on-site before any work.
AC Installation & Replacement — questions, answered
How long does AC installation take in New Orleans?
Most straight system replacements in New Orleans finish in a single day. Jobs that add or rework ductwork, or a full change-out on a raised Bywater or Marigny home with tight access, can take two days.
What size AC do I need for a New Orleans home?
Size in New Orleans is set by a load calculation, not by square footage alone, because Gulf humidity means an oversized unit short-cycles and leaves the house damp. High-ceiling Uptown and Garden District homes often need different tonnage than the old unit that was there.
Should I replace or repair my AC in New Orleans?
Replace it if the New Orleans unit is 12–15 years old, still uses R-22 refrigerant, or a repair costs more than about a third of a new system. Below that, targeted repair is usually the better value.
Are ductless mini-splits a good option in New Orleans?
Yes — ductless mini-splits work well in New Orleans homes without existing ducts, such as older Treme and Broadmoor houses or added rooms. They provide zoned cooling and strong dehumidification without running duct through cramped attics.
What does AC replacement cost in New Orleans?
A standard AC replacement in New Orleans typically ranges $4,500–$9,500 depending on tonnage, efficiency, and duct condition; high-efficiency systems run higher. This is a ballpark — the exact price is confirmed after a free on-site visit, with a $150 minimum service charge.