Heat Pump Installation Cost in Seattle, WA

Heat pump installation in Seattle, WA typically costs between $11,000 and $25,000, with most homeowners paying around $15,500. The middle 50% of projects fall between $13,500 and $16,500. These figures are based on 8 recent installation reports in the area.

Price distribution

Median $15,500.00 · typical $13,500.00–$16,500.00

$15,500.00

$11,000.00

$25,000.00

Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.

Most jobs land between $11,350.00 and $22,550.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.

Based on reports from Apr 2026 (first entries this month).

Data freshness: 8 reports in the last 90 days. Help keep this current →

Data last updated Apr 8, 2026.

Latest reports

The underlying prices behind this page.

8 total reports

$16,000.00

6 days ago

We got quotes ranging from $11K to $35K from five different companies and ended up paying around $16K for a heat pump installation through Costco. They also gave us a $1,500 Costc…

$12,000.00

6 days ago

Just got a heat pump installed in March with heat strips added for extremely cold days. Total cost was $12k.

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Real homeowner write-ups, locked.

$ • • •

6 days ago

"Installed a ducted heat pump system in an older house, including an electrical panel upgrade. Paid around $25k, which was considered midrange among several quotes."

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