HVAC Installation Cost in Washington (2026)
HVAC installation in Washington averages $8,625, ranging from $4,370 to $17,250. Costs are 15% above the national average.
Average HVAC Cost in Washington
Low End
$4,370
Average Cost
$8,625
High End
$17,250
HVAC System Costs in Washington
| System | Low | Average | High |
|---|---|---|---|
| Central AC | $4,025 | $6,325 | $8,625 |
| Furnace | $2,875 | $5,175 | $7,475 |
| Heat Pump | $4,370 | $6,670 | $9,775 |
| Mini-Split | $2,300 | $4,025 | $6,325 |
| Full HVAC System | $8,050 | $11,500 | $17,250 |
Frequently Asked Questions
How much does HVAC installation cost in Washington?▼
The average HVAC installation cost in Washington is $8,625, ranging from $4,370 to $17,250.
What HVAC system is best for Washington?▼
The best system depends on Washington's climate. Heat pumps offer year-round efficiency in moderate climates.
How long does HVAC installation take?▼
Most HVAC installations take 1-3 days. Full system replacements may take up to 5 days.
How often should I replace my HVAC system?▼
AC units last 15-20 years, furnaces 15-30 years, and heat pumps 10-15 years with proper maintenance.