Basic
$4,380 – $9,733 per project
Single-stage ducted heat pump around 14.3 SEER2 / 7.5 HSPF2 with matched air handler, new line set, disconnect and pad, charged and started up
How Much Does Install Heat Pump Cost in Seattle, Washington?
Supply and install a ducted air-source heat pump (2-4 ton) on existing ductwork including line set, electrical and startup; ductwork, panel upgrades and cold-climate units extra.
Install Heat Pump in Seattle, Washington typically costs $5,153 to $11,450 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Heat Pump in Seattle, Washington
$5,153 – $11,450
per projectPrices in Seattle are 19.0% higher than the national average for install heat pump.
National average: $4,500 – $10,000 per project
What you get at each price level
Standard
$5,153 – $11,450 per project
Two-stage ducted heat pump around 16 SEER2 / 8 HSPF2 with matched variable-speed air handler, new line set, disconnect and pad, started up
Premium
$6,441 – $14,313 per project
Variable-speed inverter ducted heat pump around 18 SEER2 / 8.5 HSPF2 with matched air handler, communicating thermostat, new line set and pad
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,106 – $4,680 | job |
| Labor | labor | $2,111 – $4,690 | job |
| Supplies & Other | supplies | $562 – $1,248 | job |
| Equipment & Disposal | equipment | $374 – $832 | job |
Prices adjusted for Seattle local market conditions.
Install Heat Pump photo examples
Outdoor heat pump unit mounted against a brick house wall
Photo: No machine-readable author provided. Ppntori assumed (based on copyright claims). · Public domain · Source
Air handler and flex duct installed in an attic space
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($2,025.00-$4,500.00 per project)
- Labor ($1,575.00-$3,500.00 per project)
- Supplies & Other ($540.00-$1,200.00 per project)
- Equipment & Disposal ($360.00-$800.00 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 - Heat Pump Cost [2026], Angi, retrieved Nov 2026
- HomeGuide - Air-Source Heat Pump Cost (2026), HomeGuide, retrieved Nov 2026
- This Old House - Heat Pump Cost (2026), This Old House, retrieved Nov 2026
- Homewyse - Install Heat Pump (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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