Cost of ac unit installation — Federal Way, WA

Last updated: September 24, 2026

What affects the price

When you look at the cost of a new HVAC system, several variables come into play. The size of your home and the necessary cooling or heating capacity—measured in tons—are the biggest factors. You also have to consider the efficiency rating of the unit, the complexity of your existing ductwork, and whether you need to upgrade electrical components to support a modern system. Labor requirements, including accessibility and permit fees, further influence the final number.

About this service

Replacing your cooling system depends on the size of your home, the efficiency rating of the new unit, and any necessary ductwork repairs. Prices vary based on whether you need a simple swap or a complete system overhaul. We evaluate your specific space to provide a clear quote. Exact pricing confirmed free on the call.

Summer is peak season for HVAC, so if your system is struggling, it is best to act as soon as you notice a performance drop. While demand is high, our routing service helps you find available local professionals quickly. Don't suffer through the heat; let us help you find a prompt solution.

Frequently asked in Federal Way

Also serving nearby: Tacoma · Kent · Renton · Seattle · Bellevue

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More on this: ENERGY STAR — choosing efficient systems.

Service area details

Serving all of Federal Way — population 97,701; about 4,375 residents per square mile across 22.3 sq mi. ZIP codes covered include 98003, 98023, 98063, 98093.

Neighborhoods served in Federal Way: The Commons, Mirror Lake, Woodmont, Redondo, Dash Point — and every surrounding area.