HVAC Replacement Cost in Seattle, WA (2026)
HVAC costs in Seattle tend to run above the national average, roughly 20% higher. Estimated Seattle-area ranges by HVAC type below, based on national ranges adjusted for local costs.
| Item | Estimated range |
|---|---|
| Central Air Conditioner | $4,800 – $10,800 |
| Heat Pump | $6,600 – $14,400 |
| Gas Furnace | $4,200 – $9,600 |
| Ductless Mini-Split | $3,600 – $9,600 |
| Full AC + Furnace System | $8,400 – $16,800 |
| Electric Furnace | $3,000 – $7,200 |
| Boiler | $4,800 – $11,400 |
What Seattle's climate means for your HVAC
Mild, damp conditions make a heat pump the standout value, covering modest heating and light cooling efficiently for most of the year.
Estimate your HVAC cost
Enter your home size and city for a range specific to you.
Frequently asked questions
How much does HVAC cost in Seattle, WA?
HVAC costs in Seattle tend to run above the national average, roughly 20% higher. See the table above for Seattle-area ranges by type.
Which HVAC system is best for Seattle?
Mild, damp conditions make a heat pump the standout value, covering modest heating and light cooling efficiently for most of the year.