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🔥 Furnace Replacement · Washington

Best Furnace Replacement in Washington

Vetted furnace replacement providers across 15 Washington cities. Each provider is scored on a 0–100 Vouched Score blending public-record signals, customer reviews, and editorial assessment. See methodology →

15 cities Pricing guide

At a glance

Cities
15
Providers
154+

Furnace Replacement by city in Washington

Typical Furnace Replacement pricing in Washington (2026)

Last updated June 21, 2026

Estimated ranges for Washington. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
Full gas furnace replacement (80% AFUE, installed)$3,000–$6,500
High-efficiency condensing furnace (95%+ AFUE, installed)$4,500–$9,500
Modulating / two-stage variable-speed (ECM) furnace upcharge$600–$2,000
Condensing-furnace venting + condensate conversion (80%->95% AFUE)$600–$1,800
Gas line / electrical / permit modification (changeout)$150–$900
Electric furnace / air-handler replacement (installed)$2,000–$5,000

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