11 Best Furnace Repair Companies in Seattle, WA (2026)
Why Seattle's damp winters make Furnace Repair different
Seattle's long, damp winters (October–April) increase furnace corrosion and mold risks in older homes on Capitol Hill and Ballard. Homeowners looking for the best furnace repair companies in Seattle, WA should prioritize emergency response, wet-weather diagnostics, and licensed technicians. Free estimates and clear warranty terms help compare options.
Quick Picks
Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.
Compare top Furnace Repair providers in Seattle
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | EEvergreen Home Heating and Energy | 88 | 4.8 (1,000+) | 51+ | ★ Highest Vouched ScoreMost Transparent PricingHeat-Exchanger Replacement |
Editorial: Furnace repair focus backed by long local tenure and extensive field repairs. Mitsubishi Authorized Dealer status appears for heat-pump work. Evergreen Home Heating and Energy states a $199 flat-rate diagnostic fee on repair visits. The company notes 24/7 emergency response and same-day service options for Seattle no-heat calls. Reviews mention detailed inspection reports and priority scheduling for Comfort Club members. Strengths:
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| 2 | GGene Johnson Plumbing | 87 | 4.8 (4,575+) | 50+ | Gas Valve & Combustion Repair |
Editorial: Emergency response is listed as 24/7 for no-heat calls. The company advertises flat-rate pricing and financing options. Gene Johnson Plumbing traces back to 1976, noting 50+ years in business. The website lists furnace repair and diagnostics as a specialty in Seattle. Reviews cite same-day work and prompt dispatches in colder months. Strengths:
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| 3 | GGreenwood Heating and Home Services | 87 | 4.9 (4,725+) | 105+ | |
Editorial: Greenwood Heating and Home Services lists furnace repair and diagnostics as a core focus. Greenwood notes serving Seattle since 1921, a 105+ year history. Their site advertises 24/7 emergency and same-day response for no-heat calls. Online reviews report fast heat restoration and clear, step-by-step explanations. The company highlights financing options for larger replacements and installations. Strengths:
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| 4 | 22 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 85 | 4.9 (3,910+) | 9+ | |
Editorial: Emergency response leads with same-day service availability and rapid no-heat repairs. 2 Sons Plumbing notes flat-rate pricing and financing options on its site. The company reports service in Seattle for 5+ years. The business emphasizes upfront estimates before work begins. Strengths:
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| 5 | BBeacon Plumbing, Heating, Electrical & Mechanical Inc - Seattle | 81 | 4.5 (3,355+) | 27+ | |
Editorial: Beacon Plumbing lists furnace repair as a core service with routine diagnostic detail. Beacon Plumbing states 24/7 emergency response with a 90-minute typical arrival. Beacon Plumbing advertises flat-rate pricing and financing options. Beacon Plumbing reports being family-owned and serving Seattle since 1999. Beacon Plumbing's local teams appear experienced with Seattle's wet, cold winters and older housing stock. Strengths:
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| 6 | HHotWire Furnace, Air Conditioning & Appliance Repair Seattle | 80 | 5.0 (240+) | ||
Editorial: Furnace repair and diagnostics is a named focus across HotWire's Seattle offerings. HotWire advertises same-day emergency response for priority no-heat calls. HotWire lists certified technicians and a one-year repair warranty in its service details. Local winters in Seattle make fast same-day service important for homeowners here. Reviews note technicians diagnose and restore heat promptly. Strengths:
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| 7 | GGlendale Heating & Air Conditioning | 79 | 4.8 (705+) | 88+ | |
Editorial: Glendale Heating is a Lennox dealer with factory-trained technicians. The company states flat-rate quotes and same-week scheduling. Glendale Heating notes service contracts and annual tune-ups for local homes. Founded in 1938, Glendale Heating has served Seattle-area customers for decades. The company says it keeps room for no-heat emergencies during busy seasons. Strengths:
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| 8 | OOne Hour Heating & Air Conditioning | 71 | 5.0 (30+) | ||
Editorial: One Hour of Central Seattle advertises emergency response for no-heat calls any hour. The company lists financing options for larger repairs. One Hour advertises a two-year satisfaction guarantee (advertised). Central Seattle's damp winters increase the need for prompt combustion and heat checks. Strengths:
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| 9 | GGo Green Heating AC & Electric | 70 | 4.8 (225+) | 10+ | |
Editorial: Go Green emphasizes furnace repair and heating system service for Seattle homes and condos. Strengths:
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| 10 | SSeattle Heating & Cooling | 67 | 4.8 (80+) | Combustion-Safety Diagnosis | |
Editorial: Seattle Heating & Cooling advertises 24/7 emergency response and same-day service. The website lists brand service for Lennox and Day & Night Appliances. The company notes Wells Fargo Home Projects financing availability. Local winters in Seattle often stress furnaces, and their emergency window targets no-heat calls. Reviews mention thorough diagnostics and clear installation guidance. Strengths:
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| 11 | NNortech Heating, Cooling & Refrigeration | 67 | 4.5 (150+) | Blower & Inducer Motor RepairNATE-Certified Shop | |
Editorial: Nortech leads with furnace repair specialization supported by detailed diagnostic work. Nortech notes NATE-certified technicians on staff. Nortech advertises 24/7 emergency response for Seattle no-heat calls. Nortech notes over 30 years serving Puget Sound's damp, chilly climate. Nortech lists same-day service and furnace tune-up options for homeowners. Strengths:
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Typical Furnace Repair costs in Seattle, WA (2026)
Last updated
Estimated ranges for Seattle, WA. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Furnace service call / diagnostic fee | $90–$240 |
| Flame sensor cleaning / replacement | $95–$300 |
| Hot surface igniter replacement (installed) | $180–$540 |
| Furnace gas valve replacement (installed) | $360–$900 |
| Draft inducer motor replacement (installed) | $360–$960 |
| Furnace control board replacement (installed) | $480–$1,100 |
| Heat exchanger replacement (repair-vs-replace inflection) | $1,200–$4,200 |
| Emergency / after-hours no-heat service premium | $180–$600 |
Nearby Washington furnace repair pricing: Auburn · Bellevue · Bellingham
See broader context: Furnace Repair pricing in Washington · Furnace Repair pricing nationwide
What metrics mattered when evaluating Seattle Furnace Repair options?
This guide evaluated 11 Seattle furnace repair providers on review volume, emergency response, pricing model, warranties, and technical credentials. The largest signals were Google review counts and advertised emergency availability, with provider-stated pricing models and dealer or certification claims used to differentiate service offerings.
- 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air lists flat-rate pricing and states 24/7 emergency response.
- Gene Johnson Plumbing advertises flat-rate pricing and a satisfaction guarantee, per their website and listings.
- Evergreen Home Heating and Energy says they are a Mitsubishi authorized dealer and offers free estimates, per their provider profile.
- Nortech Heating, Cooling & Refrigeration reports NATE certification on staff and 24/7 emergency response availability.
Ratings and review volume came from Google reviews, while accreditation and registry facts were checked against BBB records.
How do I choose a Furnace Repair Company in Seattle?
- Verify licensing and any registry entries with state or BBB records.
- Compare Google review counts and recent review sentiment for response patterns.
- Confirm emergency response terms and advertised response windows.
- Request written pricing models and warranty details before hiring.
- Check dealer or certification claims for equipment-specific repairs.
4 Furnace Repair problems Seattle homeowners report after wet winters
Seattle's long, damp winters drive corrosion, moisture intrusion, and mold growth inside furnaces and venting. These conditions commonly cause ignition failures, electrical corrosion, reduced efficiency, and persistent odors that prompt homeowners to call for professional diagnosis and repair.
- Corroded heat exchangers and burners. Prolonged damp winters in Seattle accelerate rust on metal furnace components and can create holes or cracks that require immediate inspection.
- Mold and biological growth inside the system. High indoor humidity during Seattle's rainy season promotes mold in heat exchangers, burners, and nearby duct openings, causing odors and indoor-air concerns.
- Ignition and pilot failures from condensation. Moisture buildup during Seattle's wet months can short ignition sensors and pilots, causing intermittent starts or failed ignition cycles.
- Control-board and electrical corrosion. Persistent dampness in Seattle corrodes circuit boards and wiring terminals, which leads to erratic operation or complete electrical failure.
- Reduced efficiency and soot buildup. Damp combustion air and wet venting in Seattle contribute to incomplete combustion and soot accumulation, lowering furnace efficiency and increasing service needs.
How Seattle’s neighborhoods and rainy season shape Furnace Repair needs
Seattle's long, rainy season and older housing stock increase furnace moisture and corrosion risks, driving higher demand for diagnostic and corrosion-focused furnace repair. Neighborhoods with older homes such as Capitol Hill and Queen Anne report more moisture-related failures, which raises needs for emergency and certified repair services.
Seattle's October–April rainy season raises indoor humidity and condensation in furnaces. Older brick and wood houses in Capitol Hill, Ballard, Queen Anne and Fremont trap moisture near basements and mechanical closets. Condensation accelerates rust on heat exchangers and burners, causing more ignition and electrical failures.
Those local impacts increase demand for emergency service and fast diagnostics. Many evaluated providers offer emergency service availability, which helps homes during sudden failures after heavy storms. Look for technicians who perform corrosion-focused inspections and combustion-safety checks.
Moisture-driven soot and biological growth create air-quality concerns that require targeted remediation. Providers using furnace-type diagnostic equipment and component-level repairs handle soot, mold, and combustion issues more effectively. Preference should be given to technicians with NATE certification and documented appliance experience.
Seattle licensing and permitting rules matter for larger repairs and replacements. Washington State licensing and contractor registration, plus SDCI permits for equipment changes, are commonly required. Seek providers who note permitting and flat-rate pricing when available, so homeowners in University District and Downtown can compare costs and compliance.
What Seattle homeowners ask first about Furnace Repair — and the short answers
- How do I get a quote from these furnace repair companies?
- Submit one request on this page and we send it to the vetted furnace repair pros in Seattle, WA listed here. They send quotes back — no obligation.
- How much does furnace repair service cost in Seattle, WA?
- Furnace service call / diagnostic fee typically runs $90–$240, and hot surface igniter replacement runs $180–$540 in Seattle, Washington. See the Furnace Repair pricing table on this page for the full per-service breakdown.
- Do Seattle furnace repairs that alter combustion systems require an SDCI permit?
- Yes. The Seattle Department of Construction and Inspections (SDCI) typically requires a permit for equipment changes that affect combustion vents or gas piping. Contractors must follow SDCI submittal rules and Seattle code for venting and clearance. Homeowners should confirm that a contractor will file permits and pull inspections for any work that replaces or relocates burners, flues, or gas connections.
- Which Washington state license level is needed for gas-furnace combustion repairs in Seattle?
- A contractor with the appropriate Washington State Department of Labor & Industries license must perform gas-furnace combustion repairs. Licensed tradespeople and registered contractors meet state requirements for gas work. Ask for the contractor’s L&I license number and proof of contractor registration before scheduling repairs involving burners, gas valves, or major combustion components.
- When should I call for emergency no-heat service during Seattle’s rainy season?
- Call emergency service as soon as the furnace stops producing heat during October–April, especially during prolonged wet weather. Seattle’s damp months increase corrosion and ignition failures that can worsen rapidly. Prioritize providers who offer emergency response and combustion-safety checks, and mention recent heavy rain or basement moisture when describing the problem.
- How can I tell if moisture from Seattle winters caused a cracked heat exchanger?
- Visible rust, persistent soot, or unexplained combustion odors can indicate heat-exchanger damage from moisture. Technicians perform a combustion-safety test and visual inspection to confirm cracks. Because older homes in Capitol Hill and Queen Anne face higher moisture exposure, insist on a documented inspection and combustion-safety report before approving any heat-exchanger replacement.
- Why do igniter and flame-sensor failures spike after wet winters in neighborhoods like Ballard?
- Moisture and condensation accelerate corrosion on igniters and flame sensors, leading to intermittent ignition failures. Salt and airborne contaminants carried in by damp weather can foul sensors. Technicians often clean sensors, replace corroded parts, and test ignition sequences to restore reliable starting and proper flame detection.
- How does Seattle humidity affect blower and inducer motor lifespan?
- High indoor humidity and condensation shorten motor bearings and electrical connections lifespan. Moisture intrusion during October–April increases motor wear and can lead to noisy operation or failure. Routine inspection and moisture-mitigation steps, like sealing mechanical closets and adding condensate controls, extend blower and inducer component life.
- When is the best time to schedule a furnace tune-up in Seattle?
- Schedule a tune-up in late September or early October before the rainy season intensifies. Preseason maintenance identifies corrosion, combustion issues, and low-efficiency operation before heavy use begins. For homes in Fremont, University District, or Downtown, preseason service reduces the chance of emergency visits during peak wet-weather demand.
- What local factors most affect furnace repair pricing in Seattle?
- Permit requirements, scope of combustion work, and moisture-related corrosion drive price variability in Seattle. Older homes and risky venting configurations raise permit and labor complexity. Peak-season demand during October–April also affects lead times. Ask a contractor which SDCI permits, gas- or venting inspections, and corrosion repairs the job will require.