Local HVAC Guide

AC Replacement Cost in Port St. Lucie, FL

REVIEWED OCT 2026 · 20 SOURCES ·

Prices reviewed October 2026

Central AC replacement for a typical home, installed in Port St. Lucie
$6,500 – $15,000

A Port St. Lucie company on SE Port St. Lucie Boulevard puts a central AC or HVAC replacement in the city at $6,500 to $15,000 or more. A second local company, on NW Aljo Court, says a typical Port St. Lucie home comes in around $7,000 to $8,000 for the outdoor unit, the indoor air handler or coil, the line set, electrical work, and startup testing. High-efficiency equipment and harder installs push a job toward the top of the range.

Neither company ties its range to one system size, so this is a whole-home figure rather than a price for a set tonnage.

Where these prices come from: published prices from two Port St. Lucie HVAC companies. See all 20 sources for this page.

Find a local AC company in Port St. Lucie

Call to reach an AC contractor serving Port St. Lucie for a quote(877) 265-6848Free to call. You choose whether to hire anyone.

Port St. Lucie AC cost by system

The central AC range is the two Port St. Lucie companies' published prices. The heat pump range is HVAC.com's Florida figure for a 3-ton heat pump with air handler. The mini-split range is HomeGuide's national figure for one zone.

Port St. Lucie AC repair prices next to a new system

JobTypical price
Capacitor$180 – $350
Blower motor$450 – $900
Expansion valve (TXV)$600 – $1,200
Refrigerant leak repair and recharge$700 – $2,400
Evaporator coil$1,400 – $2,800
Compressor$1,800 – $3,200
Whole system, typical home$7,000 – $8,000

Repair prices from a Palm City company's Treasure Coast repair guide (updated July 2026). The whole-system line is the NW Aljo Court company's typical-home figure.

What affects AC prices in Port St. Lucie

AC permits in Port St. Lucie

  • Inside city limits, the City of Port St. Lucie Building Department (City Hall, 121 SW Port St. Lucie Blvd.) issues A/C change-out permits. Contractors file through the city's e-permitting portal, and permitting questions go to 772-871-5132.
  • The city's A/C change-out application (revised January 2026) covers like-for-like equipment with no duct changes. Both the contractor and the owner sign it in front of a notary, and the A/C checklist asks for an AHRI certificate. Replacing 50% or more of the ductwork needs a separate mechanical permit.
  • Inspections are done virtually and have to be scheduled at least one business day ahead. A recorded Notice of Commencement is needed for a job of $15,000 or more, before the first inspection.
  • The city's residential fee schedule lists an $86 building fee and a $72 online fee for an A/C change-out, plus small state surcharges. Ask the city which applies to your permit.
  • Homes in unincorporated St. Lucie County permit through the county's Building and Code Regulation Division in Fort Pierce, (772) 462-1553. Fort Pierce issues its own permits.

Rebates and help paying in Port St. Lucie

  • FPL serves Port St. Lucie. It takes $200 off the invoice for each qualifying unit when an FPL Participating Independent Contractor replaces both the indoor and outdoor units, and its rebate page lists 15.2 SEER2 and above. The program standards also cover heat pumps.
  • The city's 2026 home repair program offered 0% deferred loans of up to $50,000, forgiven over 15 years, through the state SHIP program. Applications opened Feb. 18, 2026 and closed 10 minutes later after 100 submissions. The city's SHIP plan lists HVAC among emergency repairs, up to $26,750. The Neighborhood Services FAQs say a pre-application opens online when funding is available.
  • The federal tax credit for heat pumps and central AC ended for equipment placed in service after December 31, 2025, according to the IRS.

Rebates and assistance programs open, close, and change as funding allows. Confirm current status with the program before you plan around it. Details reviewed October 2026.

Choosing an AC replacement company in Port St. Lucie

Port St. Lucie asks the homeowner to sign the permit application in front of a notary along with the contractor. That signature is a good moment to check who you're hiring.

Common questions

How much is a new AC in Port St. Lucie?

Two local companies' published prices put a full replacement at $6,500 to $15,000 or more, and one says a typical Port St. Lucie home lands around $7,000 to $8,000. High-efficiency systems and duct work move a quote toward the top.

How do AC inspections work in Port St. Lucie?

The city does A/C change-out inspections virtually. They have to be scheduled at least one business day ahead. If a virtual inspection won't work for your home, call the Building Department at 772-871-5132.

Should I repair my AC or replace it?

A Palm City company lists $1,800 to $3,200 for a compressor and $1,400 to $2,800 for an evaporator coil. It suggests weighing a new system once a repair on a unit older than 10 years passes $2,500.

Can I get help paying for a new AC in Port St. Lucie?

FPL's $200 credit is the option open to most homeowners. The city's 2026 home repair loans, up to $50,000, filled all 100 spots within minutes on Feb. 18, 2026, and the city posts the next round when funding is available.

Ready for real numbers? Talk to a Port St. Lucie AC contractor(877) 265-6848Free to call. No obligation.

Florida rules that affect your AC

Federal efficiency minimums, the refrigerant change, the end of the federal tax credit, and how the cities compare are on our Florida AC cost page.

Paying over time? Our Florida AC financing guide compares utility loans, PACE, FHA Title I, and contractor offers.

Other Florida cities, nearest first

Also near Port St. Lucie:

Sources

Talk to a local HVAC pro about a quote(877) 265-6848