13 Best AC Repair in Seattle, WA (2026) — Vetted
Why Seattle's Damp Climate Changes How You Should Pick AC Repair
Seattle's rainy season from October to April and mild summers change cooling priorities. Choosing the best AC repair companies in Seattle, WA should emphasize moisture control, corrosion-aware maintenance, and knowledge of Capitol Hill and Ballard homes. Look for contractors offering humidity-focused diagnostics and corrosion-resistant parts.
Quick Picks
Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.
What the 13 Seattle AC Repair listings reveal about response time, warranties, and emergency service
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | EEvergreen Home Heating and Energy | 87 | 4.8 (1,000+) | 51+ | ★ Highest Vouched ScoreMost Transparent PricingManufacturer-Authorized Repair |
Editorial: Evergreen Home Heating and Energy lists Mitsubishi Authorized Dealer status for heat pumps. The company notes a low-cost diagnostic service at $199 plus tax. Evergreen reports 24/7 emergency response for no-cooling calls. The business traces back over 50 years in Seattle-area HVAC work. Review excerpts reference same-day repairs and detailed diagnostic reports. Strengths:
Reviewers praise:
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| 2 | SSouth West Plumbing, Heating, Air, & Electric | 86 | 4.6 (5,595+) | 44+ | |
Editorial: Emergency service on their site notes 24/7 response for cooling outages. Company heritage traces to 1982, listing 40+ years locally. Seattle's marine climate increases coil corrosion risk; the company serves that need. Their website lists financing options for larger repairs and installs. Strengths:
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| 3 | EEco Electric, Plumbing, Heating and Air | 85 | 4.9 (2,325+) | 14+ | Refrigerant Leak Repair |
Editorial: Eco Electric states same-day emergency AC response for no-cooling calls. The company has served Seattle homes for 10+ years. Eco Electric lists flat-rate pricing and financing options online. The site notes leak-detection tools and refrigerant leak repair capability. Local Seattle notes: tuned services help during summer heat waves and rising urban cooling demand. Strengths:
Reviewers praise:
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| 4 | 22 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 84 | 4.9 (3,910+) | 9+ | Commercial AC Repair |
Editorial: 2 Sons Plumbing lists same-day and emergency AC repair availability for urgent cooling calls. The company states flat-rate pricing and financing options on its site. Years in business compute to 5+ years since founding in 2017. Seattle's older housing stock and wet climate are cited as reasons they focus on leak detection. Review volume indicates thousands of local service interactions. Strengths:
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| 5 | GGlendale Heating & Air Conditioning | 83 | 4.8 (705+) | 88+ | |
Editorial: AC repair and diagnostics is listed as a core specialty on Glendale's site. The website lists Glendale as a Lennox Dealer. Glendale states flat-rate quotes and same-week scheduling availability. Puget Sound mild-weather notes appear alongside heat-pump advice for Seattle homes. Glendale highlights family ownership and continuous service since 1938. Strengths:
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| 6 | FFuse Service | 81 | 4.9 (270+) | ||
Editorial: Fuse Service advertises specialist AC repair and diagnostics across the Seattle area. Strengths:
Reviewers praise:
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| 7 | BBeacon Plumbing, Heating, Electrical & Mechanical Inc - Seattle | 79 | 4.5 (3,355+) | 27+ | |
Editorial: Beacon lists same-day, emergency AC repair with a one-hour response window. Beacon advertises flat-rate pricing with upfront cost disclosure. Beacon reports financing options for larger HVAC work. Beacon's Seattle crews serve Puget Sound neighborhoods and nearby communities. Beacon notes thousands of verified customer reviews and many rapid-response outcomes. Strengths:
Reviewers praise:
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| 8 | GGo Green Heating AC & Electric | 71 | 4.8 (225+) | 10+ | |
Editorial: Go Green lists HVAC and electrical license numbers on its website. The company reports financing available for larger jobs. Go Green advertises heat pump and cooling work for Puget Sound homes. The business has operated in Washington since 2016, indicating about 10+ years locally. Strengths:
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| 9 | MMark’s Mini Splits | 70 | 5.0 (45+) | Honest Diagnosis | |
Editorial: Emergency response is emphasized, with same-day and 24/7 service advertised. Mark’s Mini Splits states no upselling and honest diagnostic practices. The company focuses on ductless mini split installs and repairs around Seattle. Mark’s Mini Splits notes familiarity with Seattle’s mild, damp climate and rebate programs. Reviews cite attentive installations and local service experiences. Strengths:
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| 10 | SSeattle Heating & Cooling | 68 | 4.8 (80+) | ||
Editorial: Seattle Heating & Cooling advertises same-day service and 24/7 emergency AC response. Seattle Heating & Cooling lists Wells Fargo financing for installations and larger repairs. The company notes service on Mitsubishi, Lennox, Bosch, and American Standard equipment. Puget Sound Energy and Seattle City Light rebates are mentioned as available to Seattle customers. Recent customer comments note thorough maintenance and clear technician explanations. Strengths:
Reviewers praise:
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| 11 | NNortech Heating, Cooling & Refrigeration | 67 | 4.5 (150+) | Capacitor & Electrical RepairNATE-Certified Shop | |
Editorial: Emergency repair service advertises 24/7 response for no-cooling calls in Seattle. Nortech lists NATE-certified technicians on staff. The company notes over 30 years serving Puget Sound homeowners. Nortech states fast response times and same-day dispatch availability. The name appears across residential and commercial refrigeration work locally. Strengths:
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| 12 | OOne Hour Heating & Air Conditioning | 65 | 5.0 (30+) | ||
Editorial: AC repair specialist: One Hour lists focused AC repair and diagnostics in Central Seattle. Strengths:
Reviewers praise:
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| 13 | GGreen City Heating and Air Conditioning | 59 | 5.0 (8) | ||
Editorial: Green City Heating and Air Conditioning lists residential and light-commercial AC repair services. The business is based at 948 Industry Dr, in Seattle's industrial district. Eight Google customer reviews appear on their profile. Seattle's summer heat raises cooling demand for older ducted systems. Reviewers flag:
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Typical AC 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 |
|---|---|
| AC service call / diagnostic fee | $85–$180 |
| Capacitor replacement (installed) | $95–$480 |
| Contactor replacement (installed) | $120–$420 |
| Refrigerant recharge (R-410A top-up, all-in) | $180–$840 |
| Refrigerant leak detection + repair | $180–$1,450 |
| Condensate drain line clearing (clog / float-switch trip) | $120–$360 |
| AC compressor replacement (installed, out-of-warranty) | $960–$3,350 |
| Emergency / after-hours service premium | $180–$600 |
Nearby Washington ac repair pricing: Auburn · Bellevue · Bellingham
See broader context: AC Repair pricing in Washington · AC Repair pricing nationwide
How were these Seattle AC Repair providers evaluated on trust, speed, and warranty?
This guide evaluated 13 Seattle AC repair providers on emergency availability, verified Google review scores, pricing models, and manufacturer or certification signals. Emphasis was placed on 24/7 response, flat-rate pricing, and stated dealer or certification claims when comparing trust and speed.
- Eco Electric lists flat-rate pricing and free estimates, and reports same-day emergency response per its site.
- Evergreen Home Heating and Energy notes Mitsubishi Authorized Dealer status and lists free estimates on its materials.
- 2 Sons Plumbing lists commercial AC capability and flat-rate pricing, and reports 24/7 emergency availability.
- Nortech is NATE-certified, per the provider signals, and reports a 30+ year operating history.
- South West Plumbing, Heating, Air, & Electric states 24/7 emergency service and advertises 40+ years in business.
Ratings and review volume came from Google reviews, while provider-stated warranties, pricing, and dealer or certification claims come from each provider's published signals and materials.
How do I choose an AC Repair Company in Seattle?
- Verify the provider's Google rating and review count.
- Compare stated pricing models, such as flat-rate versus time-and-materials.
- Confirm emergency service windows and any overtime policies.
- Request written warranty terms and any manufacturer-dealer documentation.
- Check certifications like NATE and ask for technician credentials.
5 Seattle AC Repair issues homeowners report when rainy-season mold and mild summers hide wear
Most common AC repair problems in Seattle arise from prolonged damp conditions and mild summers that hide corrosion, moisture buildup, and intermittent cycling. Rainy-season humidity and infrequent heavy cooling demand cause mold growth, condensate line clogs, and equipment failures that often appear suddenly when warm weather returns.
- Coil and component corrosion. Seattle's persistent dampness accelerates rust on evaporator coils and electrical contacts, causing leaks and intermittent failures.
- Mold and microbial growth. High humidity during October–April encourages mold in condensate pans and ductwork, producing musty smells and reduced air flow.
- Condensate drain blockages. Biofilm and debris build up faster in Seattle's wet climate, leading to slow drainage and water overflow that damages indoor finishes.
- Short-cycling from low seasonal use. Mild summers mean systems run infrequently, which can cause compressors and relays to fail when cooling demand spikes.
- Freeze-thaw stress on coils and lines. Rare Seattle freezes followed by wet conditions can warp coils or split solder joints, creating refrigerant leaks and loss of capacity.
How Seattle neighborhoods from Capitol Hill to Ballard affect AC Repair needs and availability
Seattle's damp, mild climate increases mold and corrosion risks and shapes how to choose an AC repair contractor in Seattle (Capitol Hill, Ballard, Queen Anne). Repair demand concentrates where older housing and tight rowhomes sit, so look for technicians with moisture-management experience and leak-detection tools.
Capitol Hill and Queen Anne have many older homes with compact duct systems. Moisture and tight cavities raise mold and condensate problems in these neighborhoods.
Ballard and Fremont include a mix of vintage houses and newer builds. Mixed housing stock creates varied equipment needs, from mini-split servicing to whole-house coil cleaning.
Rainy-season humidity increases corrosion and biofilm formation across Seattle. Those conditions accelerate coil degradation and condensate drain blockage.
Evaluated providers frequently advertise emergency service availability. Emergency service helps when sudden summer heat reveals long-hidden corrosion failures.
Leak detection equipment appears often in the shortlist. Leak detection reduces refrigerant loss and finds hidden leaks caused by freeze-thaw and wet-season stress.
NATE certification and similar credentials are common among local technicians. Certified technicians diagnose electrical contact corrosion and recommend correct repair scopes.
Flat-rate pricing models are offered by several evaluated companies. Flat rates help homeowners compare quotes for common repairs like coil replacement or condensate-line clearing.
Which Seattle AC Repair options actually offer same‑day help or 24/7 emergency service?
- How do I get a quote from these AC repair companies?
- Submit one request on this page and we send it to the vetted AC repair pros in Seattle, WA listed here. They send quotes back — no obligation.
- How much does AC repair service cost in Seattle, WA?
- AC service call / diagnostic fee typically runs $85–$180, and capacitor replacement runs $95–$480 in Seattle, Washington. See the AC Repair pricing table on this page for the full per-service breakdown.
- Do Seattle AC repair contractors need Washington L&I licensing and city contractor registration?
- Yes. Technicians doing HVAC work in Seattle must hold the appropriate Washington State Department of Labor & Industries license and the contractor registration required by the city. Homeowners should ask for the contractor's L&I number and confirm active registration before scheduling. These credentials verify trade licensure and allow the city or state to track complaints or disciplinary records.
- Is an SDCI permit required for replacing an air handler or major refrigerant line work in Seattle?
- Often, yes. The Seattle Department of Construction and Inspections (SDCI) typically requires a permit for significant equipment replacements, such as an air handler swap or extensive refrigerant piping changes. Permits help ensure work meets local code and Environmental Critical Areas rules when drainage or grading is affected. Ask the contractor whether they will pull the permit and include permit fees in the written scope.
- When is the busiest season for Seattle AC repair companies and why should homeowners plan ahead?
- Busiest season runs late spring to early summer; book maintenance before temperatures climb. Book maintenance before temperatures climb to avoid longer wait times. In neighborhoods like Capitol Hill and Ballard, demand spikes quickly after multi-day warm stretches, so schedule routine service in May or early June when possible.
- How should Seattle homeowners time preventive maintenance to reduce rainy‑season mold and condensate problems?
- Schedule an annual tune-up after winter and before summer to catch moisture-related issues early. Technicians should inspect condensate traps, coils, and drain lines for biofilm and blockages. In Queen Anne and Fremont, where tight cavities are common, request a moisture-focused diagnostic and coil cleaning to limit mold growth during the October–April rainy season.
- How can a homeowner verify a licensed AC repair contractor in Seattle before hiring?
- Start by asking for the contractor's Washington L&I license number and city contractor registration. Cross-check both on state and SDCI portals. Look for written estimates, clear warranty language, and proof of insurance. If a provider lists manufacturer-dealer credentials, verify the dealer tier with the manufacturer for specialized systems like mini‑splits.
- What are the common signs of a refrigerant leak in Seattle homes and when should it be repaired?
- Common signs include reduced cooling capacity, hissing sounds near the outdoor unit, and oil residue on piping. Repair refrigerant leaks promptly to restore efficiency and prevent compressor damage. Given Seattle's damp climate, technicians often check for corrosion at brazed joints and use leak-detection dye or electronic sniffers during diagnostics.
- When is compressor replacement necessary after corrosion-related failure in Seattle equipment?
- Compressor replacement is necessary when diagnostics show internal mechanical failure, locked rotor, or irreparable refrigerant contamination. Corrosion that breaches compressor casings or causes repeated electrical faults often leads to replacement. A qualified tech should present test data showing failed amperage, continuity, or oil contamination before recommending replacement.
- What electrical and capacitor checks should Seattle technicians perform for intermittent or no-start AC problems?
- Technicians should test run capacitors, contactors, and motor amp draw, and inspect wiring for corrosion or loose connections. In Seattle, moisture-caused corrosion on terminal blocks is common and can mimic capacitor failure. Ask for measured voltage and amp readings on the diagnostic report so repair recommendations are data-driven.