Basic
$4,866 – $9,733 each
Wall-hung condensing gas boiler around 90-95% AFUE with PVC venting, primary-secondary near-boiler piping, condensate drain
How Much Does High Efficiency Gas Boiler Cost in Seattle, Washington?
Replace a residential boiler with a 90-95%+ AFUE condensing gas boiler including PVC venting and near-boiler piping.
High Efficiency Gas Boiler in Seattle, Washington typically costs $5,725 to $11,450 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
High Efficiency Gas Boiler in Seattle, Washington
$5,725 – $11,450
eachPrices in Seattle are 19.0% higher than the national average for high efficiency gas boiler.
National average: $5,000 – $10,000 each
What you get at each price level
Standard
$5,725 – $11,450 each
Condensing boiler around 95% AFUE with modulating burner, outdoor reset sensor, PVC venting, neutralizer, air separator
Premium
$7,156 – $14,313 each
Condensing boiler around 95%+ AFUE with wide-range modulation, outdoor reset, magnetic dirt separator, ECM circulators
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,340 – $4,680 | each |
| Labor | labor | $2,345 – $4,690 | each |
| Supplies & Other | supplies | $624 – $1,248 | each |
| Equipment & Disposal | equipment | $416 – $832 | each |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($2,250.00-$4,500.00 per unit)
- Labor ($1,750.00-$3,500.00 per unit)
- Supplies & Other ($600.00-$1,200.00 per unit)
- Equipment & Disposal ($400.00-$800.00 per unit)
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
- Condensing Boiler Cost Calculator, hvaccalc.org, retrieved Nov 2026
- Boiler Installation Cost & Replacement Guide | Carrier, Carrier, 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 high efficiency gas boiler contractors in Seattle for personalized quotes based on your specific project.