Basic
$5,839 – $14,599 per project
Single-stage heat pump around 14.3-15 SEER2 / 7.5-8 HSPF2 with matched air handler, new line set, pad and thermostat
How Much Does Heat Pump System Cost in Seattle, Washington?
Replace a central ducted air-source heat pump system (outdoor unit, air handler, line set, thermostat) on existing ductwork for a typical home.
Heat Pump System in Seattle, Washington typically costs $6,869 to $17,175 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Heat Pump System in Seattle, Washington
$6,869 – $17,175
per projectPrices in Seattle are 19.0% higher than the national average for heat pump system.
National average: $6,000 – $15,000 per project
What you get at each price level
Standard
$6,869 – $17,175 per project
Two-stage heat pump around 16 SEER2 / 8.5 HSPF2 with variable-speed air handler, new line set and programmable thermostat
Premium
$8,587 – $21,469 per project
Variable-speed inverter heat pump around 18-20 SEER2, cold-climate capable, matched air handler and communicating thermostat
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,807 – $7,020 | job |
| Labor | labor | $2,812 – $7,035 | job |
| Supplies & Other | supplies | $755 – $1,872 | job |
| Equipment & Disposal | equipment | $495 – $1,248 | job |
Prices adjusted for Seattle local market conditions.
Heat Pump System photo examples
Outdoor heat pump condenser unit on a pad beside shrubs
Photo: Tony Webster · CC BY 4.0 · Source
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Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($2,699.44-$6,750.00 per project)
- Labor ($2,098.30-$5,250.00 per project)
- Supplies & Other ($725.89-$1,800.00 per project)
- Equipment & Disposal ($476.37-$1,200.00 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
- Heat Pump Installation Cost (2026): Air-Source, Mini-Split & Geothermal, tapandtrowel.com, 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
Connect with local heat pump system contractors in Seattle for personalized quotes based on your specific project.