
Air conditioner replacement and installation for New Orleans homes
When a system is past its useful life, the right replacement is sized for your house and its humidity, matched indoors and out, and installed with a permit. We quote options in writing and install most changeouts in one day.
Answered 24/7Mid-City service officeSlidell head officeEvery major brand
An AC replacement in New Orleans typically means a matched outdoor unit and indoor coil, installed on existing ductwork in one working day with a city mechanical permit. Sizing should come from a load calculation, not the old unit's label, because an oversized system here cools fast, short cycles and leaves the house humid.
Repair or replace: how we help you decide
Updated September 2026
We do not recommend replacement on age alone. A 14 year old system with a failed capacitor gets a capacitor. The same system with a failed compressor, a leaking coil or an obsolete refrigerant is a different conversation, and we lay out both options with the costs side by side.
When replacement is the right call, sizing matters most. We measure the house rather than copying the old tonnage, because many older systems were oversized.

What an AC replacement costs here
Typical installed replacement for a condenser, air handler and coil on existing ducts in this metro, plus a city mechanical permit of $75-$200.
Typical New Orleans-area planning range: $7,712 typical, $3,673-$11,752 range (condenser, air handler, coil on existing ducts). Market data, not our quote; your price depends on the factors below.
System size
Tonnage from a load calculation, not the old label.
Efficiency and staging
Single-stage, two-stage and variable-speed differ widely.
Scope
Condenser only, coil and condenser, or full system.
Ductwork
Repair or replacement found during the job adds cost.
Elevation
A new stand or platform in a flood zone adds materials.
Electrical
Disconnect or circuit upgrades where required.
What comes with every AC replacement
- Load calculation for the house
- Mechanical permit and inspection
- Matched outdoor unit and indoor coil
- New drain pan and float switch
- Line set replaced or flushed and tested
- Charge by weight and airflow setup
- Old equipment removed and recycled

Condenser only or a matched system
| Condenser only | Matched system | Variable-speed system | |
|---|---|---|---|
| Up-front cost | Lowest | Middle | Highest |
| Efficiency | Limited by the old coil | As rated | Best |
| Humidity control | Unchanged | Good | Best |
| Warranty fit | May be limited | Full | Full |
Condenser-Only Replacement
Replacing just the outdoor unit can make sense when the indoor coil and air handler are recent and compatible with the new unit's refrigerant. It costs less up front. The risk is a mismatch: an old coil paired with a new condenser can reduce efficiency and shorten the new unit's life, and manufacturers may limit warranty coverage on mismatched systems. We check the coil's age, refrigerant and model compatibility before offering this option, and we tell you plainly if the coil should be replaced too.
Typical New Orleans-area planning range: $7,712 typical, $3,673-$11,752 range (condenser, air handler, coil on existing ducts). Market data, not our quote; your price depends on the factors below.
Matched System Replacement
A matched system replaces the outdoor unit and the indoor coil, and usually the air handler, as a certified combination. That is how efficiency ratings and warranties are designed to work. We replace or flush the line set, install a new drain pan and float switch, pull a mechanical permit, charge by weight, and set airflow for humidity removal. A standard changeout on existing ductwork is usually completed in one working day, and the city inspection is scheduled before we leave.
Two-Stage and Variable-Speed Options
Single-stage systems run at full output or not at all. Two-stage and variable-speed systems run at lower output most of the day, which means longer, quieter runs, steadier temperatures and better moisture removal, a real advantage in a humid house. They cost more up front. We explain where the upgrade is worth paying for and where a well-sized single-stage system will do the job. Many homes are well served by a two-stage unit, which captures most of the humidity benefit at a lower price than a variable-speed system.


Old system failing again? Get a replacement quote in writing.
(504) 520-4214The systems coming due now
Much of Lakeview and the Lower Ninth Ward was rebuilt after 2005 with raised homes and new mechanical systems, and those systems are now 10 to 20 years old. We are replacing a lot of them, often on stands that already meet flood elevation. Installed replacement costs in this metro run slightly below the national average, mainly because labor rates here are a little lower.
Brands we service and install
We repair and install Trane, Carrier, Lennox, Goodman, Rheem, Ruud and the other major lines, plus Mitsubishi Electric ductless.
How an AC replacement runs
- 1
Load calculation
The house measured, not guessed.
- 2
Written options
Two or three systems with costs and tradeoffs.
- 3
Permit
Mechanical permit filed before install day.
- 4
Install day
Old equipment out, matched system in, drain and float switch new.
- 5
Charge and airflow
Charged by weight, airflow set for humidity.
- 6
Walkthrough and inspection
Settings, filter and warranty paperwork explained; inspection scheduled.
Questions about AC Installation & Replacement in New Orleans
One working day for a typical changeout on existing ductwork.
Yes, a mechanical permit is required, and we pull it.
Usually yes. A matched system protects efficiency and warranty coverage.
No. An oversized system short cycles and leaves the house humid. We size it from a load calculation.
Often yes in south Louisiana, since a heat pump cools the same and heats efficiently in mild winters.
Several major lines, including Trane, Carrier, Lennox, Goodman, Rheem and Daikin.
Entergy Louisiana programs are paused in 2026 and the federal 25C credit ended in 2025, so we do not build rebates into quotes.
Sometimes, after flushing and pressure testing. Undersized or damaged lines are replaced.
More installation we handle in New Orleans
Air Handler & Evaporator Coil Replacement
Attic air handler swap, coil-only replacement and more.
Our air handler & evaporator coil replacement serviceHeat Pump Installation
Heat pump vs AC plus furnace, inverter heat pumps and more.
Heat Pump Installation in New OrleansHigh-Velocity HVAC for Historic Homes
Small-duct systems, plaster wall penetrations and more.
Small-duct systemsIs it time to replace?
Call for a written estimate with repair and replacement options side by side.
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