Cost of furnace and ac installation — Seattle, WA

Last updated: September 24, 2026

Imagine a beautiful Seattle afternoon, the sun finally breaking through the clouds, and your air conditioner decides to take an unexpected break. It's a scenario many homeowners face, and it underscores the importance of having a reliable HVAC system. The pros we work with understand these local needs intimately. They’re ready to respond when you need them most. When you call, they can discuss your current system's performance, whether it's struggling to keep up or making unusual noises. This initial conversation helps them understand the scope of the work needed, whether it's a simple repair or a full system replacement. Their goal is to get your home back to a comfortable temperature efficiently and effectively. They bring expertise right to your doorstep in neighborhoods like Kirkland or Bellevue. This ensures you're not left sweating it out or shivering when the weather turns. Choosing the right professionals means peace of mind and a system that performs optimally. Licensed, insured pros serve every neighborhood in Seattle. They're ready to bring comfort back to your home. Call now for a free estimate.

What affects the price

Installing a new HVAC system involves several variables that shift the final total. The square footage of your home and the necessary cooling 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 or gas lines to accommodate the new equipment. Choosing between a standard single-stage unit or a high-efficiency multi-stage system changes the upfront investment significantly. Exact pricing confirmed free on the call.

About this service

Replacing both a furnace and an AC at the same time often makes sense to ensure system compatibility and energy efficiency. The total cost is influenced by the fuel type, equipment efficiency, and whether any modifications are needed for the venting or ductwork. Bundling these installations can sometimes simplify the labor process. We provide a comprehensive quote after evaluating your home’s heating and cooling demands. Exact pricing confirmed free on the call.

Summer installations are common when systems fail under heavy load. If you are struggling with poor cooling or high energy bills, upgrading during the season can provide immediate relief. We focus on rapid deployment to get your air conditioning running efficiently, helping you keep your indoor climate manageable even during the hottest weeks of the year.

Frequently asked in Seattle

Also serving nearby: Kirkland · Bellevue · Renton · Kent · Federal Way

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More on this: DOE home heating — system sizing and savings.

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Service area details

Serving all of Seattle — population 755,078; about 8,989 residents per square mile across 84.0 sq mi. ZIP codes covered include 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108.

Neighborhoods served in Seattle: Ballard, Fremont, Capitol Hill, Green Lake, Queen Anne — and every surrounding area.