Mini Splits & Heat Pumps in Washington
Washington is bimodal — maritime Pacific (Seattle, Tacoma) rarely drops below freezing, summers are mild; eastern Washington (Spokane, Tri-Cities) is high desert with real winters and hot dry summers. Statewide, Washington requires heat pumps in most new construction per state energy code.
What Works in Washington
Seattle and Puget Sound work with a standard DIY unit. Spokane and eastern Washington need hyper-heat. Puget Sound Energy, Seattle City Light, and Avista all run heat pump rebate programs. Washington's HEEHRA adds income-tier bonuses.
Washington Rebates & Incentives
Washington HEEHRA through Department of Commerce. PSE, Seattle City Light, and Avista all have rebate programs.
- Puget Sound Energy
- Seattle City Light
- Avista
- Tacoma Power
Washington Licensing & Install Rules
Washington requires an electrical contractor license (EL) and mechanical contractor registration for HVAC work. Homeowner DIY permitted on primary residence with mechanical permits.
Top Washington Metro Areas
We ship to every ZIP in Washington. Largest metros where we deliver most often:
Recommended for Washington Homes
Heat pumps and mini splits in our catalog that match Climate Zone 4C (west/Seattle); 5B (east/Spokane) conditions.
Advantage 5th Gen 9k BTU 230V Condenser
Advantage 5th Gen 9k BTU 115V Condenser
Advantage 5th Gen 12k BTU 230V Condenser
Advantage 5th Gen 12k BTU 115V Condenser
50' R-454B No-Vac Lineset