Ducted Air Conditioning Prices in Seattle

Ducted air conditioning installation in Seattle starts from $5,280. A ducted reverse cycle system for a small home in Seattle averages $9,240. Prices exclude sales tax. HVAC work requires a licensed contractor in most states. Refrigerant handling requires EPA Section 608 certification. Building permits are required for HVAC installations in most jurisdictions — check with your local municipality.

Ducted air conditioning services in Seattle include reverse cycle systems for small, medium, and large homes, ducted gas heating, evaporative cooling, zone controller systems, ductwork replacement, annual servicing, repairs, and indoor/outdoor unit replacements. A ducted reverse cycle system for a medium home in Seattle averages $13,640.

Choose the right system size for your home — oversizing wastes money. Invest in zone control to reduce running costs by 20–30%. Install during autumn or winter for better availability and pricing. Get at least three quotes from licensed installers.

Check online reviews on Google and trade platforms. Confirm the installer holds a current ARCTick licence for refrigerant handling and an electrical licence for wiring work. Ask whether they carry public liability insurance. Request a written quote that itemises equipment and labour separately. Ask to see examples of recent ducted AC installations similar to your home size and layout.