Ducted Heating Prices in Seattle

Ducted heating in Seattle starts from $100. A new gas ducted install for a small home averages $4,100. Prices exclude sales tax which varies by state. All gas work must be performed by a licensed HVAC contractor. Prices depend on home size, existing ductwork condition, and local labour rates.

Ducted heating services in Seattle include new gas ducted installations, reverse cycle ducted systems, heater replacements, duct cleaning, zone controller upgrades, thermostat replacement, add-on cooling, and annual servicing. Annual servicing in Seattle starts from $100.

The most effective savings in Seattle are to replace only the heater unit if existing ductwork is in good condition, book installations in summer when demand is lower, and get 2–3 quotes from licensed HVAC installers. A medium house install in Seattle costs $5,000–$9,000.

Check online reviews on Google and trade platforms. Confirm the installer holds a gas fitting licence (for gas systems) or refrigerant handling licence (for reverse cycle). Ask for proof of public liability insurance. Get at least two quotes for any new installation and confirm what is included in the supply-and-install price.