Heat Pump Installation Cost in Seattle, WA
In Seattle, most heat pump installations typically range from $12,000 to $20,000, depending on home size, ductwork condition, electrical capacity, and the efficiency level you choose. The fastest way to get an accurate number is an in-home evaluation where we size the system and check ducts and panel capacity.
Typical HVAC replacement costs in Seattle
HVAC replacement costs vary widely because each home has different comfort needs, layouts, and infrastructure.
The ranges below provide general guidance based on system type and typical installation complexity, not a guaranteed price.
- Ductless heat pump systems: typically range from $8,000 to $25,000: Often used for homes without existing ductwork or for adding zoned comfort to specific areas. Pricing depends on the number and size of indoor units, home layout, and efficiency level.
- Ducted heat pump systems: typically range from $12,000 to $28,000: Suitable for whole-home heating and cooling using existing or modified ductwork. Cost varies based on home size, duct condition, and electrical requirements
- Gas furnace replacement (heating only): typically range from $5,000 to $10,000: Replacing an existing furnace without adding cooling. Pricing depends on efficiency level, venting requirements, and any necessary duct or safety upgrades.
- Air conditioning additions or replacements: typically range from $8,000 to $18,000: Adding or replacing central air conditioning in a home with existing ductwork. Cost varies based on system size, electrical capacity, and any required duct modifications.
- Hybrid / dual-fuel systems: typically range from $15,000 to $30,000: Combine a heat pump with a gas furnace for optimized efficiency and cold-weather performance. Costs vary based on system configuration and control strategy.
These price ranges are intended to give general orientation only.
The most accurate price comes from a home-specific evaluation that ensures the system is properly designed for comfort, efficiency, and long-term reliability.
What changes the price
electrical panel / breaker capacity
ductwork repairs
system size
permit requirements
equipment tier
How to get an accurate quote
To give you an accurate HVAC installation or replacement quote—and confirm which rebates or tax credits may apply—we review a few key details during an in-home estimate:
Home size and layout to properly size the system
Existing equipment and how it’s currently configured
Ductwork condition and airflow (or space for ductless systems)
Electrical capacity and panel requirements
System efficiency options that may affect rebate eligibility
Permit and inspection requirements for your location
This ensures your quote is based on your actual home—not a generic price range.
How long the estimate takes
Most in-home HVAC estimates take 30–60 minutes, depending on your home and the type of system you’re considering. You’ll have time to ask questions, review options, and understand how incentives may factor into your decision.
Confirm your options and incentives
The fastest way to get accurate pricing—and understand which rebates or tax credits may apply—is to schedule an installation or replacement estimate. We’ll walk you through your options and help you make an informed decision with no pressure.
Book an in-home estimate to confirm pricing and available incentives.
Available Local Rebates & Incentives
Lower upfront costs with available rebates and incentives.
