13 Best AC Replacement Companies in Seattle, WA (2026)
Why Seattle's Damp Winters and Mild Summers Change How You Replace an AC
Seattle's long rainy season from October to April and mild summers shift priorities toward moisture-resistant installs and efficient systems. Homeowners seeking the best AC replacement companies in Seattle, WA favor contractors experienced with Queen Anne and Capitol Hill homes and moisture-control solutions.
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 AC Replacement providers in Seattle
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | GGreenwood Heating and Home Services | 89 | 4.9 (4,725+) | 105+ | ★ Highest Vouched ScoreFull-System Changeout |
Editorial: Greenwood focuses on central AC system replacements and full-system changeouts. Strengths:
Reviewers praise:
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| 2 | AAs You Wish Electric, Plumbing, Heating & Air | 87 | 4.9 (3,315+) | 20+ | Commercial AC Replacement |
Editorial: As You Wish lists full central AC system replacement work with brand installs. As You Wish reports flat-rate pricing and financing options. As You Wish was founded in 2006 and shows about 20+ years local tenure. Seattle's damp summers raise cooling needs; As You Wish advertises same-day and emergency response. The company holds a prominent Google Maps placement with over 3,300 reviews. Strengths:
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| 3 | SSouth West Plumbing, Heating, Air, & Electric | 86 | 5.0 (1,210+) | 44+ | |
Editorial: ac replacement appears throughout service pages, with same-day installs listed. South West notes financing options on multiple pages. Founded 1982, the company lists over 40 years serving Seattle homes. Seattle's marine climate makes right-sized installs and proper commissioning important for comfort. South West advertises a satisfaction guarantee on its homepage. Strengths:
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| 4 | EEvergreen Home Heating and Energy | 84 | 4.8 (1,000+) | 51+ | Manufacturer-Authorized Installer |
Editorial: Evergreen lists full central AC system replacement and heat-pump installs with Mitsubishi equipment. The company notes 50+ years serving Seattle homeowners. Evergreen cites Seattle City Light and local rebate programs on its site. Reviews and company copy note same-day emergency support and priority maintenance plans. Strengths:
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| 5 | BBrennan Heating, Air Conditioning, & Electric | 84 | 4.5 (2,240+) | 39+ | High-Efficiency Upgrades |
Editorial: Brennan lists full central AC replacement and Lennox dealer status on their site. Strengths:
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| 6 | BBeacon Plumbing, Heating, Electrical & Mechanical Inc - Seattle | 82 | 4.5 (3,350+) | 27+ | |
Editorial: Beacon Plumbing states they install new central AC systems for Seattle homes. Beacon Plumbing reports 25+ years serving Seattle homeowners. Seattle's mild, damp summers increase indoor humidity and affect AC performance. Beacon Plumbing advertises 90-minute response windows and 24/7 emergency service (confirm availability). Thousands of local reviews praise same-day dispatch and rapid emergency response. Strengths:
Reviewers praise:
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| 7 | GGlendale Heating & Air Conditioning | 80 | 4.8 (705+) | 88+ | |
Editorial: Lennox Dealer status appears on the site, with a special relationship mentioned. Glendale Heating & Air Conditioning lists same-week scheduling and emergency room for no-heat or no-cool calls. The company reports flat-rate quotes instead of time-and-material estimates. Founded in 1938, Glendale shows 85+ years serving the Puget Sound region. Seattle's mild, wet climate favors right-sized heat pumps over oversized systems. Strengths:
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| 8 | FFuse Service | 78 | 4.9 (270+) | Honest Replace-vs-Repair | |
Editorial: Fuse Service leads with full central AC system replacements and commercial rooftop work. The company lists EPA-certified technicians and bonded, insured credentials. Fuse Service notes same-day availability and free estimates across Seattle. Fuse Service says they partner with Wisetack for financing options. Local reviewers report fast diagnostics and clear, itemized replacement quotes for Seattle heat spikes. Strengths:
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| 9 | HHotWire Furnace, Air Conditioning & Appliance Repair Seattle | 78 | 5.0 (240+) | ||
Editorial: HotWire states they provide written diagnoses and support second opinions. HotWire advertises same-day emergency response in many Puget Sound areas. HotWire lists commercial refrigeration and light-commercial HVAC services. HotWire's heat pump and ductless work aligns with Seattle's marine climate and humid summers. Google reviewers note prompt same-day response and thorough technicians. Strengths:
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| 10 | GGo Green Heating AC & Electric | 71 | 4.8 (225+) | 10+ | |
Editorial: Go Green Heating lists financing options for high-ticket replacements. Go Green Heating notes it is a licensed Washington contractor since 2016. Seattle's maritime climate rewards properly sized heat pumps and careful duct commissioning. Go Green Heating's site notes FastTrack HOA and permit handling for condo and neighborhood installs. The company shows broad local experience with 225 Google reviews. Strengths:
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| 11 | SSeattle Heating & Cooling | 67 | 4.8 (80+) | AHRI-Matched Systems | |
Editorial: High-efficiency heat pump lines and inverter technology are highlighted on the website. Seattle Heating & Cooling lists AHRI-matched systems and AHRI-certified heat pump references. The company advertises Wells Fargo Home Projects financing, including 12-month promotions. The team notes local rebate options for Seattle City Light and Puget Sound Energy customers. Review excerpts praise clear explanations during diagnostics and thorough startup checks. Strengths:
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| 12 | OOne Hour Heating & Air Conditioning | 65 | 5.0 (30+) | Labor Warranty | |
Editorial: One Hour Heating & Air Conditioning lists central AC installation and replacement among core services. The company says it backs materials and labor for up to two years. One Hour advertises 24/7 emergency response for urgent cooling failures. Local reviews mention clear repair-versus-replace explanations for Seattle homeowners. One Hour notes financing options for high-ticket changeouts. Strengths:
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| 13 | SSeattle Heating & Air Conditioning | 50 | 4.5 (15+) | ||
Editorial: Seattle Heating & Air Conditioning lists central AC system replacement work. The business operates from an E Union St address in Seattle. Their Google profile shows 16 reviews as of today. Seattle's damp climate makes humidity control an important install consideration. Reviewers flag:
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Typical AC Replacement 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 |
|---|---|
| Full AC system replacement (3-ton, installed) | $6,600–$15,600 |
| AC condenser replacement (outdoor unit only, installed) | $1,450–$5,050 |
| Matched evaporator coil (AHRI-rated to the new condenser, installed) | $1,200–$3,350 |
| R-454B equipment upcharge (vs equivalent R-410A tier) | $480–$1,450 |
| SEER2 17+ high-efficiency upcharge (utility rebate tier) | $960–$3,000 |
| Ductwork modification (resize / re-balance per Manual D) | $720–$2,650 |
Nearby Washington ac replacement pricing: Auburn · Bellevue · Bellingham
See broader context: AC Replacement pricing in Washington · AC Replacement pricing nationwide
How were Seattle providers judged on response time, licensing, and warranty coverage?
We evaluated 13 Seattle AC replacement providers on emergency response, licensing, pricing, and warranty claims. Assessment relied on Google reviews for ratings and provider-published claims for pricing, response windows, dealer status, and warranty language.
- Greenwood Heating and Home Services states 24/7 emergency response and lists financing options per their website.
- As You Wish Electric, Plumbing, Heating & Air lists flat-rate pricing and 24/7 emergency response on its site.
- Evergreen Home Heating and Energy reports Mitsubishi Authorized Dealer status and free estimates on its website.
- Brennan Heating, Air Conditioning, & Electric says they offer same-day emergency response and Aeroseal-certified services.
- One Hour Heating & Air Conditioning notes a 2-year labor warranty and a satisfaction guarantee (advertised).
Ratings and review volumes come from Google reviews, and pricing or warranty claims come from individual provider websites and disclosures.
How do I choose a AC Replacement Company in Seattle?
- Verify the contractor's Google rating and review count for recent performance in Downtown, Queen Anne, and Capitol Hill.
- Compare quoted pricing models, and prefer providers who list flat-rate or itemized estimates.
- Confirm advertised emergency response windows and any warranty durations in writing.
- Request proof of manufacturer-dealer status for specific equipment brand rebates.
- Check financing terms and free-estimate availability before scheduling installation.
5 AC replacement headaches Seattle homeowners report after a wet winter — and what to watch for
Most common AC replacement problems in Seattle stem from long rainy seasons and damp homes that accelerate corrosion, interior moisture, and electrical issues. Homeowners seeking affordable AC replacement services in Seattle, WA often see rusted outdoor units, clogged drain lines, and delayed installs because sites stay wet for weeks after winter storms.
- Corroded outdoor coil and cabinet. Seattle's prolonged rain and coastal humidity speed metal corrosion on condensing units, reducing efficiency and complicating replacement work.
- Clogged condensate drains and pan overflow. Persistent dampness from Seattle winters promotes biofilm and debris buildup, causing frequent clogs that must be cleared before a new AC can be installed.
- Hidden moisture in ductwork. Rain-driven indoor humidity soaks ducts in many Seattle homes, increasing mold risk and often requiring duct cleaning or repair during system replacement.
- Rusted electrical connections and controls. Wet-season exposure in Seattle corrodes outdoor disconnects and control wiring, creating safety hazards that must be remediated prior to replacement.
- Site-access delays due to wet yards and roofing work. Seattle's soggy ground and extended rainy windows commonly delay outdoor unit placement or roof-mount installs until surfaces dry and permits are coordinated.
How Seattle’s residents, Downtown-to-University District housing mix, and seasonal rain affect AC choices
Seattle's long October–April rainy season drives moisture and corrosion risks, which raises demand for durable, matched outdoor units and inverter systems. Homeowners searching for best ac replacement companies in Seattle, WA prioritize moisture-resistant installs, AHRI-matched systems, and contractors who handle permits and wet-site logistics.
Seattle's dominant local condition is prolonged autumn-to-spring rainfall and persistent coastal humidity.
That condition accelerates outdoor coil corrosion, condensate clogs, and damp duct interiors.
Evaluated providers show capabilities that address those impacts directly.
Many evaluated providers list AHRI-matched system installs to ensure capacity and efficiency despite Seattle's mild summers.
Variable-speed and inverter equipment reduces short cycling in smaller Downtown and Capitol Hill units.
Condensate and drainage issues in University District and Ballard homes mean technicians often include drain clearing and pan replacement.
Some providers advertise emergency service availability for wet-season failures.
Look for contractors who document permit handling with SDCI and Washington licensing in their scope.
What should Seattle homeowners ask an AC replacement contractor before signing?
- How do I get a quote from these AC replacement companies?
- Submit one request on this page and we send it to the vetted AC replacement pros in Seattle, WA listed here. They send quotes back — no obligation.
- How much does AC replacement service cost in Seattle, WA?
- Full AC system replacement typically runs $6,600–$15,600, and AC condenser replacement runs $1,450–$5,050 in Seattle, Washington. See the AC Replacement pricing table on this page for the full per-service breakdown.
- Do Seattle contractors need SDCI permits for an AC condenser swap?
- Yes. SDCI permits are typically required for condenser replacements that alter mechanical systems or change refrigerant lines. Contractors should cite the permit number and describe who pulls it. Homeowners can ask the contractor to confirm Seattle Department of Construction and Inspections filing, expected inspection steps, and whether Environmental Critical Areas rules affect drainage work near the unit.
- Is Washington State Department of Labor & Industries (L&I) licensing required for AC replacement work?
- Yes. Technicians working on HVAC systems must be covered by the appropriate Washington L&I licenses and employer registrations. Ask the contractor to provide the L&I credential and contractor registration number before work begins. Verifying credentials reduces the risk of unregistered subcontractors and helps with permit coordination through SDCI.
- When is the busiest season for AC replacement contractors in Seattle?
- The busiest season runs from late spring into summer as warmer weather increases demand. Schedule early in May or June to avoid lead times. Contractors often prioritize emergency calls during wetter months, so ask about typical lead times for Downtown, Capitol Hill, University District, or Ballard installations.
- How do I find a high-efficiency or inverter specialist in Seattle?
- Look for contractors who list AHRI-matched system installs, inverter equipment, and manufacturer-dealer relationships. Ask for model numbers, AHRI match documentation, and examples of recent inverter installs in neighborhoods like Capitol Hill or Ballard. Request references that specifically mention inverter performance and seasonal efficiency.
- Should an HVAC tech inspect the furnace when replacing an air conditioner in Seattle homes?
- Yes. A combined inspection ensures system compatibility and proper airflow. Technicians should check matching capacity, control wiring, and shared ductwork. Ask for a written compatibility report and whether any furnace work could impact the new AC warranty or require additional permits from SDCI.
- What moisture- or corrosion-resistant measures should contractors propose for Seattle installations?
- Contractors should propose corrosion-resistant coatings, raised pads, and condensate management plans for outdoor units. Request details on coil coatings, stainless or coated fasteners, and pan/drain routing. These measures help in rainy-season conditions common October through April and reduce long-term service calls in coastal microclimates.
- Do Seattle providers offer same-day replacement for failed condensers during the rainy season?
- Some providers offer same-day replacement or emergency service availability, but this varies by company. Ask whether same-day units are stocked, estimated response windows, and whether emergency installs include proper permitting and post-install paperwork. Confirm scope of work for wet-site conditions.
- What documentation should a contractor provide to prove efficiency claims and warranty coverage?
- Request AHRI match sheets, manufacturer warranty documents, and a written install checklist. Contractors should itemize warranty terms, who handles warranty repairs, and any conditions voiding coverage. Keep contractor-provided paperwork for future service and permit inspections by SDCI.