How Much Does a Ductless Mini Split Cost in Seattle (2025 Update)

You’ve heard about ductless mini splits but what do they actually cost in Seattle? In 2025, prices have stabilized thanks to new rebates and better equipment efficiency. Here’s what to expect before getting your quote.

Average Installed Cost in Seattle

System Type	Typical Cost Range	Description
Single-Zone System	$3,000 – $6,000	One outdoor unit + one indoor head
Multi-Zone (2–3 rooms)	$6,500 – $10,000	One outdoor unit + multiple heads
Whole-Home Systems	$10,000 – $15,000 +	Covers entire house or large homes

(Includes equipment + labor for standard installation.)

What Affects the Price?

• System Size: Measured in BTUs — larger homes need higher capacity.

• Number of Zones: Each indoor unit adds cost but adds control.

• Brand & Efficiency: Premium brands (Mitsubishi, Daikin, LG) cost more but save energy.

• Electrical Work: Older homes may need a new breaker or dedicated line.

• Mounting Options: Wall, ceiling, or floor units affect labor.

Rebates & Tax Credits for 2025

• Seattle City Light Rebates: $300 – $600

• Puget Sound Energy Rebates: Up to $2,000

• City of Seattle Clean Heat Program: $2,000 – $4,000 (oil to electric conversion)

• Federal Tax Credit: 30% of project cost, up to $2,000

  
  

With stacked rebates, your effective cost could drop to as low as $2,000 – $3,500 for a single-zone system.

Energy Savings & ROI

A ductless mini split can cut heating bills by 30-50%. Over 15 years, that’s $6,000 – $10,000 in utility savings. Enough to pay for the system itself.

Want a personalized quote?

Request your free estimate from Mark's Mini Splits today!