Boiler Replacement Cost in Seattle, WA
Goodman 4-Ton 16 SEER

The average cost of boiler replacement in Seattle, WA with a Goodman 4.0-ton 16 SEER system is $5,290, with most homeowners paying between $4,860 and $5,720 depending on home conditions, permit fees, and labor availability. The Goodman 4.0-ton unit is a cost-effective option with solid manufacturer warranties, sized for homes with 1,600-2,100 sq ft of conditioned space. At 16 SEER, this unit meets current federal minimum standards with reliable performance at an accessible price point.

Cost Breakdown - Seattle, WA

* Estimates based on Seattle area labor rates ($128.87-$209.19/hr, BLS-sourced). Actual costs vary by home conditions and contractor. Get 3 quotes.

About Boiler Replacement

Complete removal and replacement of a residential boiler used for hydronic (hot water or steam radiator) heating systems. In Seattle, WA, licensed HVAC contractors typically charge $129–$209 per hour for installation labor, with this job averaging 10 hours.

The equipment cost for the Goodman 4.0-ton 16 SEER system represents approximately $2,890 of your total. Installation labor in Seattle adds $1,690, with permit fees, refrigerant, and disposal bringing the full estimate to $5,290. Prices in WA vary by contractor — always collect 3 quotes before scheduling a major HVAC installation.

Signs You Need Boiler Replacement

Consider scheduling boiler replacement in Seattle, WA if you notice boiler over 15-20 years old or frequent pressure or leak issues or cold radiators or inconsistent heat. Early action prevents the costly emergency service premiums common in the West region during peak seasons.

• -Boiler over 15-20 years old
• -Frequent pressure or leak issues
• -Cold radiators or inconsistent heat
• -Visible rust and corrosion on unit
• -Spiking gas bills

What's Included

• -Remove and haul away old boiler
• -Install new boiler unit
• -Connect to existing piping
• -Gas line reconnection
• -Expansion tank check or replacement
• -Pressure test, startup, and balancing

Hiring an HVAC Contractor in Seattle

• 1.Verify the contractor holds a current WA HVAC license and carries liability insurance.
• 2.Request an itemized quote that separates equipment, labor, and permit costs.
• 3.Ask specifically about Goodman dealer status — authorized dealers in Seattle, WA often offer extended warranties.
• 4.Confirm the quote includes refrigerant, line set, and startup commissioning — not just the equipment.
• 5.Check for manufacturer rebates and utility company incentives before signing.

Frequently Asked Questions