Budget planning guide

Mini Split Installation cost in Seattle, WA

A transparent starter-scope range for homeowners planning mini split installation in Seattle, WA. Review the assumptions, then use the project estimator for your own scope.

Starter-scope range

$2,630$3,710

Planning midpoint: $3,090

The planning model applies a higher regional cost factor for this market.

What the model includes

Starter scope and assumptions

Adjust quantities for your project

Mini-Split System (12k BTU)

1 each × $1,820

$1,820

Labor (install)

5 hr × $123.5

$620

Line Set

25 linear ft × $15.6

$390

Electrical

1 lump sum × $260

$260

This is a budgeting example based on a defined starter scope, not a quote or a live survey of local bids. Actual pricing depends on measurements, site conditions, material choices, permits, contractor availability, and the final scope.