Central AC installation cost in 2026

What other publishers report central ac installation costs, what moves the price, and how to tell whether two quotes are really for the same work.

Typical prices

JobPublished range
Central AC replacement$5,000–$8,300 installedHomeGuide, updated Jul 2025
$1,400–$12,500 installedAngi: average $5,978; ductwork changes add $3,000–$7,500Angi, updated Jul 2026
Central AC installation (3-ton, 16 SEER, with new ducts)$5,800–$14,400 installedFixr: average $8,750 for a 3-ton, 16 SEER split system with new ductwork in a 2,000 sq ft homeFixr, updated Aug 2025
Permit for AC replacement$100–$250 per jobHomeGuide: new installs with ductwork $250–$1,500HomeGuide, updated Jul 2025

How we got these. Fixerlane does not set prices and these are not our figures. They are the ranges published by HomeGuide, Fixr and Angi, read from each page on October 4, 2026 and linked so you can check them. Each publisher measures differently, so the ranges do not always agree. Your quote depends on your home, your area and the exact job — the things below are what move it.

Where the sources disagree

  • The ranges cover different jobs: Fixr's assumes new ductwork, HomeGuide's is a standard-efficiency replacement on existing ducts, and Angi's spans all system types. (Fixr, HomeGuide, Angi)

What changes the price

  • System size, set by a load calculation for your home
  • Efficiency rating — higher SEER2 units cost more to buy and less to run
  • Ductwork: using existing ducts or adding or replacing them
  • Matching the indoor coil and furnace or air handler
  • Permits, electrical work and removal of the old unit

The Department of Energy says most HVAC equipment is planned without sophisticated load calculations and is often oversized — which reduces efficiency, adds wear and raises summer humidity. (U.S. Department of Energy)

What pros ask before quoting

These are the questions central ac installation pros listed on Fixerlane ask before they will quote. Each one is a variable that moves the price — which is why having answers ready gets you a firmer number faster.

Building height
Commonly offered: High-rise · Single-level · Three-story · Two-story
Property type
Commonly offered: Business · Condo or apartment · House · Townhouse
Work needed
Commonly offered: Install ducts and vents · Install new A/C units · Remove old A/C units · Replace existing A/C units
System type
Commonly offered: Other · Packaged system · Split system

How pros quote

Fixed price

The scope is clear enough to put a number on the whole job. The risk of it running long sits with the pro, which is why they will want the scope pinned down first.

Hourly or day rate

Used where nobody yet knows what is wrong, or the work is open-ended. Fair for diagnosis; a warning sign on a job that could have been specified.

Per unit

Priced by square foot, per fixture, per window. Easy to compare between pros — as long as you check what a "unit" includes.

Call-out plus work

A fixed fee to attend, then the job on top. Common for emergency and repair work. Ask whether the call-out comes off the final bill.

Comparing quotes fairly

Two quotes are only comparable if they cover the same job. Before you judge on price, check each one states:

  • The scope, in plain words rather than a trade shorthand
  • Which materials are included, and who supplies them
  • Whether disposal and clean-up are in the price
  • Making good afterwards — patching, painting, reinstating
  • The payment schedule, tied to visible milestones
  • A start date and a realistic finish window
  • What happens if something unexpected is found

A quote well below the others is usually a smaller job, not a better deal. Ask what it excludes before assuming it is the bargain.

What the central ac installation market looks like

Fixerlane lists central ac installation pros across 46 states and 874 cities. The typical business has been trading 9 years.

That mix matters for price. A sole trader carries lower overheads and is often cheaper for a small job; a larger firm can field a crew, carry more insurance and start sooner on a big one. Neither is better — they suit different work.

Common questions

Do I need new ductwork with a new AC?
Not always. Ask the installer to inspect the ducts for leaks and sizing. Replacing ductwork adds a lot to the job, so get it priced separately.
Should the contractor do a load calculation?
Yes. The Department of Energy says contractors should size equipment with ACCA Manual J rather than a square-foot rule of thumb. Ask to see it.
How many installation quotes should I get?
Three, each for the same size and efficiency of system, so you are comparing installers rather than equipment.
Are there rebates for a high-efficiency system?
Often, from utilities and sometimes from state programmes. Check your utility's website before choosing a unit, since rebates usually depend on the efficiency rating.

Get a real number

Published ranges tell you what is normal; only a pro who has seen your job can tell you what yours costs. Find central ac installation pros near you and ask two or three.

Find central ac installation pros

See the full hvac cost guide

Central AC installation by city