Heat Pump Installation Cost in Washington

Heat pump installation costs in Washington typically range from $10,000 to $25,000, with most homeowners paying around $15,000. According to data from 12 local projects, the middle 50% of installations fell between $13,500 and $16,250.

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Price distribution

Median $15,000.00 · typical $13,500.00–$16,250.00

$15,000.00

$10,000.00

$25,000.00

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

Most jobs land between $10,550.00 and $21,150.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.

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

Data freshness: 12 reports in the last 90 days. Help keep this current →

Data last updated Apr 8, 2026.

Latest reports

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12 total reports

$10,000.00

Tacoma, WA · 6 days ago

Heat Pump And Air Handler Installation

Replaced gas furnace with a 24k air handler and a 12k ductless head from Mitsubishi for $10k from Tahoma heat and cooling.

$16,000.00

Seattle, WA · 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…

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Seattle, WA · 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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