Basic
$3,893 – $8,759 per project
Single-stage condenser at the regional minimum (13.4-14.3 SEER2) with matched coil, existing line set flushed and reused, charged
How Much Does Install Split System Air Conditioner Cost in Seattle, Washington?
Supply and install a central split-system air conditioner (outdoor condenser and indoor coil, 2-4 ton) replacing an existing system on existing ducts; new ductwork and electrical upgrades extra.
Install Split System Air Conditioner in Seattle, Washington typically costs $4,580 to $10,305 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Split System Air Conditioner in Seattle, Washington
$4,580 – $10,305
per projectPrices in Seattle are 19.0% higher than the national average for install split system air conditioner.
National average: $4,000 – $9,000 per project
What you get at each price level
Standard
$4,580 – $10,305 per project
Single-stage 15-16 SEER2 condenser with matched coil, new line set, pad and whip, deep vacuum, charge verified by subcooling
Premium
$5,725 – $12,881 per project
Two-stage 16-17.5 SEER2 condenser with matched coil, new insulated line set, filter drier, pad and whip, charge and airflow verified
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1,872 – $4,212 | job |
| Labor | labor | $1,876 – $4,221 | job |
| Supplies & Other | supplies | $499 – $1,123 | job |
| Equipment & Disposal | equipment | $333 – $749 | job |
Prices adjusted for Seattle local market conditions.
Install Split System Air Conditioner photo examples
Two outdoor air conditioner condenser units against a brick wall
Photo: US Fish and Wildlife Service - Recovery Act Team · Public domain · Source
Outdoor split-system heat pump condenser on a pad beside shrubs
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($1,800.00-$4,049.99 per project)
- Labor ($1,400.00-$3,150.01 per project)
- Supplies & Other ($480.01-$1,079.99 per project)
- Equipment & Disposal ($319.99-$720.01 per project)
Local Price Adjustments
Material costs4.0% above avg
Labor costs34.0% above avg
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- Angi - AC Replacement Cost [2026], Angi, retrieved Nov 2026
- HomeGuide - AC Replacement Cost (2026), HomeGuide, retrieved Nov 2026
- Homewyse - Install Split System Air Conditioner (Feb-2026 scrape), Homewyse, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Seattle
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