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How Much Does HVAC
Cost in Seattle?

Real cost estimates for Washington homeowners — updated pricing data from local contractors.

Minimum
$170
per job
★ Average
$400
per job
Maximum
$750
per job
$170$750

Most homeowners in Seattle pay around $400

Cost Breakdown by Service Type

Service TypePrice Range
AC Tune-UpAnnual maintenance service$75 – $200
Furnace RepairDiagnose and fix furnace issues$150 – $600
AC InstallationNew central AC unit install$3,000 – $7,000
Duct CleaningFull duct system cleaning$300 – $700
Thermostat InstallSmart or standard thermostat$100 – $300
Heat Pump ServiceHeat pump repair and maintenance$150 – $600

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