When your air conditioner is on its last legs, the first question is always the same: what’s this going to cost me? A new AC unit is a real investment, so here’s an honest look at what a new AC unit costs in Baton Rouge and what actually moves the price up or down.
The typical range
For most Baton Rouge homes, a new central AC system runs roughly $5,000 to $12,000 installed. A straightforward swap of a similar-size unit lands on the lower end. A full system with a new furnace or air handler, or an upgrade to a bigger or higher-efficiency unit, pushes toward the top. Very large homes or tricky installs can go higher.
What drives the price
Three things matter most: size, efficiency, and the install itself. Size is measured in tons — too small and it never keeps up in our heat, too big and it short-cycles and struggles with humidity. Efficiency is the SEER2 rating; a higher number costs more up front but lowers your summer bills. And labor depends on ductwork, access, and whether anything needs updating to code.
Why size is worth getting right
In Baton Rouge, humidity control matters as much as cooling. An oversized unit cools the air fast but shuts off before it pulls the moisture out, leaving your home cold and clammy. A properly sized system runs longer, steady cycles that keep you both cool and dry. A good contractor does a load calculation instead of just matching the old size.
Repair or replace first?
If your unit is under about 10 years old and the repair is small, fixing it often makes more sense. Once you’re past 12 to 15 years, facing a big repair, or watching your bills climb every summer, replacement usually wins. Get the numbers on both before you decide.
Get a free quote
Red Stick installs and services AC systems across Baton Rouge and the surrounding areas — Prairieville, Zachary, Denham Springs, Gonzales, and Central. We’re licensed and insured, and we’ll size your system right and give you a clear, honest price — no pressure. Reach out for a free quote and beat the peak of summer heat.