What to know about hvac replacement in Washington
Cold winters in Washington put the focus on heating, so a high-efficiency furnace or a cold-climate heat pump is usually worth it.
What affects hvac replacement cost in Washington
Beyond the local market, the same factors that drive hvac replacement cost everywhere apply in Washington:
- System type: a single AC or furnace is cheaper than a full split system or heat pump.
- Efficiency rating: high SEER2 and variable-speed equipment costs more upfront but lowers bills.
- Home size and the required system capacity, measured in tons or BTUs.
- Ductwork: replacing or adding ducts is a major add-on.
HVAC Replacement cost by system type in Washington
These figures are adjusted for Washington pricing (about 1.28x the national average), so they reflect what local homeowners actually pay.
| System type | Typical cost in Washington | Notes |
|---|---|---|
| Central AC only | $5,100 to $12,800 | installed |
| Furnace only | $4,500 to $11,200 | installed |
| AC + furnace (full split system) | $6,400 to $16,000 | The national baseline. |
| Heat pump | $7,050 to $17,600 | installed |
| High-efficiency / variable-speed system | $9,300 to $23,200 | installed |
| Ductless mini-split (multi-zone) | $7,700 to $19,200 | installed |