Central AC · Mini-Splits · Window Units · All Brands
The average AC installation in Miami costs $4,500–$6,000 for a complete central air system. Prices vary by system type, home size, brand, and whether ductwork is needed. This guide covers everything Miami homeowners need to know before buying.
Miami's year-round heat makes air conditioning a necessity, not a luxury. Whether you're replacing a failed unit or installing AC in a new addition, understanding the true cost helps you budget accurately and avoid being overcharged.
In 2026, Miami homeowners can expect to pay $2,500–$9,500 for a complete central AC system replacement, with the average falling around $4,500–$6,000. Mini-split systems start at $1,200 installed. The wide range reflects differences in system size, brand, efficiency rating, and whether existing ductwork is reused or replaced.
All prices include equipment + labor. Miami-Dade permit fees not included.
| System Type | Equipment | Labor | Total Installed |
|---|---|---|---|
Window AC Unit Single rooms, apartments, condos | $300 – $900 | $100 – $200 | $400 – $1,100 |
Mini-Split (Ductless) Additions, garages, rooms without ducts | $700 – $2,500 | $500 – $1,500 | $1,200 – $4,000 |
Central AC (Replace Only) Homes with existing ductwork | $1,500 – $4,500 | $1,000 – $2,500 | $2,500 – $7,000 |
Central AC + Air Handler Full system replacement | $2,500 – $6,000 | $1,500 – $3,500 | $4,000 – $9,500 |
Central AC + New Ductwork Homes without existing ductwork | $2,500 – $6,000 | $3,000 – $8,000 | $5,500 – $14,000 |
Prices for complete central AC system (outdoor unit + air handler + installation). Miami market pricing.
| Brand | Tier | Installed Price | Max Efficiency | Warranty |
|---|---|---|---|---|
| Lennox | Premium | $3,500 – $9,000 | Up to 28 SEER2 | 10 yr parts + labor |
| Carrier | Premium | $3,200 – $8,500 | Up to 26 SEER2 | 10 yr parts |
| Trane | Premium | $3,000 – $8,000 | Up to 22 SEER2 | 10 yr parts |
| Rheem | Mid-Range | $2,500 – $6,500 | Up to 20 SEER2 | 10 yr parts |
| Bryant | Mid-Range | $2,800 – $7,000 | Up to 21 SEER2 | 10 yr parts |
| Goodman | Budget | $1,800 – $4,500 | Up to 18 SEER2 | 10 yr parts |
SOS Home Solutions is an authorized dealer for Lennox, Carrier, Trane, Rheem, and Bryant.
Larger homes require higher-capacity units. Miami homes typically need 1 ton per 400–500 sq ft due to the heat and humidity. A 2,000 sq ft home needs a 4-ton unit, which costs more than a 2-ton unit for a 1,000 sq ft apartment.
Central air systems cost more than mini-splits or window units but cool entire homes efficiently. Mini-splits are ideal for additions or rooms without ductwork. Window units are cheapest but least efficient for whole-home cooling.
If your existing ductwork is leaking, undersized, or damaged, it must be repaired or replaced. New ductwork adds $3,000–$8,000 to the total cost. Leaky ducts reduce efficiency by 20–30%.
Higher SEER2 units cost more upfront but save significantly on electricity bills. In Miami's climate, upgrading from 14 SEER to 20 SEER can save $400–$700/year. The payback period is typically 4–6 years.
Premium brands (Lennox, Carrier, Trane) cost 20–40% more than budget brands but offer better reliability, longer warranties, and higher efficiency ratings. For Miami's demanding climate, premium brands often provide better long-term value.
Miami-Dade County permits add $150–$500 to every AC installation. Reputable contractors always pull permits. Unpermitted work is illegal, voids warranties, and can cause insurance and resale issues.
Several programs can significantly reduce your out-of-pocket AC installation cost in Miami:
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