How much does an AC replacement cost in Port Jefferson Station, NY?
US national rangeUpdated Prices checked October 20262 sources
An AC replacement costs $3,887 to $8,073 nationally, typical $5,978. We have no documented price index for Port Jefferson Station for this job, so this is the US national range from HomeAdvisor, checked October 2026.
US national range, not adjusted for this city
- Low
- $3,887
- Typical
- $5,978
- High
- $8,073
AC replacement cost in Port Jefferson Station, NY
We have no documented price index for Port Jefferson Station for this job, so the table shows the US national range.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| US national range | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs (HomeAdvisor) | October 2026 |
AC replacement cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| 3-ton central AC replacement, existing ducts | $5,500 to $10,000 | Fixr |
| 3-ton central AC replacement with new ducts | $7,500 to $16,000 | Fixr |
What drives the cost of an AC replacement
System size
Capacity in tons depends on home size, climate, sun exposure and insulation.
Efficiency (SEER2)
Higher-efficiency units cost more up front and less to run.
Ductwork
New ductwork is the largest add-on, at $1,000 to $5,000.
System type
Split, packaged, heat pump and ductless systems are priced differently.
Electrical and drain work
A panel upgrade or new condensate line adds cost.
Labor
Installation typically takes four to eight hours, about $300 to $1,600 in labor.
Permits and what's included in Port Jefferson Station
Permit note
A mechanical or electrical permit and an inspection are usually required. Ask whether the quote includes them.
Rules are set locally; confirm with Port Jefferson Station’s building department.
What’s usually included
- The new outdoor and indoor equipment
- Refrigerant lines, electrical connection and startup
- Removal of the old unit (confirm on the quote)
Scopes vary. Get the scope in writing on every quote.
Get AC replacement quotes in Port Jefferson Station
Tell us about the job and we will pass it to local pros. Asking for quotes never changes how we rank anyone.
Two short steps: your name, then how to reach you. Free, and it never changes anyone’s rank.
Top-ranked HVAC contractors in Port Jefferson Station
The top 3 of 669 HVAC contractors we rank for Port Jefferson Station, NY, by CR Score. Paid placement never changes rank.
- #1Kintech Heating, Cooling & PlumbingCR Score 655.0from 633 Google reviews
- #2US Air Conditioning & HeatingCR Score 644.8from 582 Google reviews
- #3Airborne Heating & Air Conditioning - HVAC ContractorCR Score 635.0from 439 Google reviews
AC replacement cost in Port Jefferson Station: questions
How much does an AC replacement cost in Port Jefferson Station, NY?
Do I need a permit for an AC replacement in Port Jefferson Station?
What affects the cost of an AC replacement?
How many HVAC contractors serve Port Jefferson Station?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: AC unit installation cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; ductwork, labor and efficiency drivers.
- Fixr: Central air conditioner installation cost · page updated August 29, 2025 · checked October 2026Used for: 3-ton replacement ranges with and without new ducts; drivers; permit.
Related pages
More cost guides for Port Jefferson Station
- Roof replacement cost in Port Jefferson Station
- Roof repair cost in Port Jefferson Station
- Water heater replacement cost in Port Jefferson Station
- Furnace replacement cost in Port Jefferson Station
- Electrical panel upgrade cost in Port Jefferson Station
- Interior painting cost in Port Jefferson Station
- Exterior painting cost in Port Jefferson Station
- Kitchen remodel cost in Port Jefferson Station
- Bathroom remodel cost in Port Jefferson Station
- Hardwood floor installation cost in Port Jefferson Station
- Fence installation cost in Port Jefferson Station
- Deck building cost in Port Jefferson Station
- Siding replacement cost in Port Jefferson Station
- Window replacement cost in Port Jefferson Station
- Gutter installation cost in Port Jefferson Station
- Attic insulation cost in Port Jefferson Station
- Solar panel installation cost in Port Jefferson Station
- Garage door repair cost in Port Jefferson Station
- Foundation repair cost in Port Jefferson Station
- Tree removal cost in Port Jefferson Station
- Water damage restoration cost in Port Jefferson Station
- Concrete driveway cost in Port Jefferson Station
- Drywall repair cost in Port Jefferson Station