Heat Pump Installation Cost Across the Seattle-Tacoma-Bellevue Metro
12 reports from 2 cities across the metro · updated Apr 8, 2026
Heat pump installation costs in the Seattle-Tacoma-Bellevue area typically range from $10,000 to $25,000, with most homeowners paying around $15,000. Half of the projects tracked fell between $13,500 and $16,250, giving you a sense of what mid-range pricing looks like in your region.
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Where most metro reports cluster
12 reports, bucketed. Highlighted bars are the middle 50% of reports across the metro.
Recent reports across the metro
A few of the most recent homeowner reports that feed into the rollup above. Click a city to see every report from there.
Replaced gas furnace with a 24k air handler and a 12k ductless head from Mitsubishi for $10k from Tahoma heat and cooling.
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…
Just got a heat pump installed in March with heat strips added for extremely cold days. Total cost was $12k.
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.
Added a heat pump to an existing furnace setup for around $18K.
Every number above comes from a verified homeowner report. Add yours to help keep this current.
How each city in the metro compares
Every city with at least 2 reports is listed below. Click through for the actual homeowner reports.
| City | Typical range | Median | Reports |
|---|---|---|---|
| Seattle, WA | $13,500–$16,500 | $15,500 | 8 |
| Bellingham, WA Early data | $14,500–$16,000 | $15,000 | 3 |
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