HVAC Cost in Washington
Updated for 2025 • Climate Zone 4C • Labor costs 10% above national average
Low
$5,500
Average
$9,900
High
$16,500
per unit • 10% above national average
HVAC in Washington: What You Need to Know
Washington falls in Climate Zone 4C (Mixed-Marine), which moderate heating needs, minimal cooling required. Understanding these local factors helps you make better decisions about materials and timing.
Heating Focus
Mild but long heating season. Efficiency matters for operating costs.
AC Optional
Many homes don't need AC. Heat waves are brief and increasingly common.
Heat Pump Paradise
Mild temps make heat pumps extremely efficient—often no backup needed.
✓ Recommended for Washington
- • Heat Pump (no backup needed)
- • Ductless Mini-Split
- • Radiant Floor
✗ Not Recommended
- • Resistance Heat
- • Oversized AC
Best time for this project in Washington: Spring or fall
Calculate Your HVAC Cost in Washington
Estimate Your HVAC Cost
Your Estimated Cost
Low
$3,300
Average
$5,940
High
$9,900
Slightly above national average
Budget-friendly option
Estimates are for planning purposes. Actual costs vary by project specifics, contractor, and market conditions.