8 Vetted Duct Cleaning Companies in Seattle, WA (2026)
Seattle's rainy season (October–April) raises indoor humidity and can push dust and mold into HVAC systems. Homeowners seeking the best duct cleaning companies in seattle wa often schedule post-winter service in Ballard or Capitol Hill to reduce allergens. Look for providers who advertise satisfaction guarantees and same-day availability after heavy storms.
Quick Picks
Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.
Which "Duct Cleaning" Pros in Seattle, Washington Dispatch Same Day or Offer 24/7 Emergency Response?
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | GGreenwood Heating and Home Services | 89 | 4.9 (4,725+) | 105+ | |
Editorial: Greenwood Heating and Home Services lists duct cleaning as a core service. The company traces its roots back to 1921, noted as 105+ years. Greenwood advertises same-day service and emergency response. The site also notes financing options for larger jobs. Seattle's damp climate raises indoor mold risk, a tie Greenwood highlights with mold services. Greenwood advertises over 1,000 five-star reviews online. Strengths:
Reviewers praise:
When to choose them
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| 2 | SSeattle Dryer Vent Cleaning | 89 | 5.0 (685+) | ★ Highest Vouched ScoreCommercial | |
Editorial: Duct-cleaning specialist: Seattle Dryer Vent Cleaning states they use negative-pressure HEPA vacuum for source removal. Strengths:
When to choose them
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| 3 | SStarDucts | 85 | 5.0 (700+) | 10+ | Mold & Air Quality |
Editorial: StarDucts markets itself as a specialist in residential and commercial duct cleaning. The company notes negative-air HEPA vacuuming with truck-mounted equipment. StarDucts lists same-day emergency response for urgent indoor-air concerns. The company states free estimates are available via their quick online form. StarDucts ties methods to Seattle's damp climate and mold risk concerns. Strengths:
When to choose them
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| 4 | EEvergreen Home Heating and Energy | 83 | 4.8 (1,000+) | 51+ | |
Editorial: Coil & air-handler cleaning is a named specialization on Evergreen's site, with concrete service pages. Strengths:
Reviewers praise:
When to choose them
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| 5 | EElite Air Duct & Dryer Vent Cleaning | 79 | 4.9 (415+) | ||
Editorial: Dryer-vent specialization is emphasized in the company name and service listings. Elite Air Duct & Dryer Vent Cleaning lists residential duct cleaning and dryer-vent work. Address on S 123rd St places them in southern Seattle neighborhoods. Seattle's damp climate raises dryer lint and moisture concerns for local homes. Strengths:
When to choose them
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| 6 | TTitan Air Duct Cleaning | 72 | 4.9 (80+) | ||
Editorial: Residential duct cleaning led by an inspection-driven process, per their site. Strengths:
Reviewers praise:
When to choose them
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| 7 | EEvergreen Cleaning Air | 71 | 5.0 (60+) | 15+ | |
Editorial: Specialized residential and commercial duct cleaning with negative-pressure HEPA vacuum, per their site. Strengths:
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| 8 | AAir Duct Cleaning Seattle | 59 | 5.0 (10+) | ||
Editorial: Air Duct Cleaning Seattle operates from a downtown Seattle address on 3rd Avenue. The listing appears at Google Maps position eight for local duct searches. Twelve Google reviewers have left feedback for recent jobs. Seattle's damp climate elevates mold and moisture concerns in ducts and ventilation. Reviewers flag:
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Typical Duct Cleaning 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 |
|---|---|
| Whole-home air duct cleaning (NADCA-standard) | $420–$960 |
| Air duct cleaning (single system / condo) | $300–$600 |
| Dryer vent cleaning (professional) | $120–$300 |
| Evaporator coil cleaning (in-place) | $180–$540 |
| Air handler / blower assembly cleaning (add-on) | $90–$300 |
| Duct sealing (Aeroseal or similar) | $1,800–$4,200 |
Nearby Washington duct cleaning pricing: Auburn · Bellevue · Bellingham
See broader context: Duct Cleaning pricing in Washington · Duct Cleaning pricing nationwide
How were Seattle's "Duct Cleaning" picks evaluated and what mattered most?
This guide evaluated 8 Seattle duct cleaning providers across reviews, equipment, emergency response, years in business, and advertised services such as source removal and free estimates. Primary signals were Google review data, equipment type, advertised same-day or emergency response, and provider-stated service terms.
- Greenwood Heating and Home Services shows 4.9/5.0 across 4,729 Google reviews. The company states a satisfaction guarantee and long tenure of 105+ years.
- StarDucts lists truck-mounted equipment, negative-air/HEPA vacuums, and same-day emergency response per its service notes.
- Seattle Dryer Vent Cleaning advertises source-removal methods and free estimates, with a 5.0 Google rating across 685+ reviews.
- Evergreen Home Heating and Energy notes same-day emergency response and financing availability, and reports 50+ years in business.
- Titan Air Duct Cleaning, Elite Air Duct & Dryer Vent Cleaning, Evergreen Cleaning Air, and Air Duct Cleaning Seattle present high review sentiment scores and varying free-estimate availability.
Comparisons used publicly listed provider claims, Google review metrics, and provider service tags to surface differences in equipment, guarantees, and emergency response.
How do I choose a duct cleaning contractor in Seattle?
- Verify provider Google rating and review count for recent performance signals.
- Compare equipment claims, such as truck-mounted vacuums and HEPA/negative-air systems.
- Confirm advertised emergency response times and any satisfaction guarantees (advertised).
- Request and compare free estimates and financing terms when offered.
- Check business tenure and publicly listed credentials before booking.
Data cross-checked with Google Maps review data and public business records, including BBB listings where available.
4 duct issues Seattle homes face after long rainy seasons — and why residents complain first about air quality
The most common duct cleaning problems in Seattle are mold and moisture-related buildup caused by the long rainy season and persistent indoor humidity. Damp ducts then attract biological growth, boost dust accumulation, and reduce HVAC efficiency during October–April, producing musty smells and worse allergy symptoms for occupants.
- Mold and mildew growth. Extended October–April humidity in Seattle feeds fungal growth on duct surfaces and insulation, producing musty odors and allergy triggers that are hard to remove without source-focused cleaning.
- Sticky dust and settled particulates. Persistent dampness combines with indoor dust during the rainy season, forming clumps that adhere to duct walls and registers and reduce airflow over time.
- Wet or degraded insulation. Condensation during prolonged rainy months can soak duct insulation in unconditioned basements and attics, lowering thermal performance and allowing fibers to shed into the air stream.
- Corrosion of metal components. Higher indoor humidity during Seattle's rainy season speeds corrosion of duct seams and return grilles, creating leaks and pathways for contaminants to enter living spaces.
- Increased pest and debris intrusion. Heavy rains can push pests and outdoor debris into crawlspaces and vents, so ducts in Seattle often require inspection for nesting or foreign-material blockages after storms.
Why Seattle neighborhoods from Ballard to Green Lake need tailored "Duct Cleaning" timing and checks
Seattle's long rainy season raises indoor humidity and drives more frequent duct inspections. Timing cleaning after prolonged October–April damp periods reduces mold growth and restores airflow. Residents checking local duct cleaning reviews seattle wa should look for equipment and moisture-focused protocols suited to wet-month risks.
Seattle's October–April rains increase indoor humidity and promote biological growth on duct surfaces. This moisture shortens intervals between recommended inspections and cleaning for many homes. In Ballard and Fremont, older homes with legacy ductwork need attention after extended wet spells. Queen Anne and Green Lake homes on hillier lots can have condensation risks in crawlspaces and attics.
How local duct cleaning reviews in Seattle show which capabilities matter
Evaluated providers commonly list negative-air or HEPA vacuum systems for containment and particle capture. Truck-mounted vacuums appear in many local service descriptions and remove heavier debris efficiently. About a quarter of providers advertise emergency service availability, useful when post-storm leaks cause acute indoor air problems.
Because Washington licensing and Seattle contractor registration affect who can perform work, look for technicians with state L&I registration and documented contractor numbers. Also prefer crews that report moisture-focused checks, such as insulation inspection and mold-targeted cleaning steps. Request a detailed scope and ask whether negative-air containment will be used during damp-season service.
How long does a typical "Duct Cleaning" visit take in Seattle, and when should I schedule one?
- How do I get a quote from these duct cleaning companies?
- Submit one request on this page and we send it to the vetted duct cleaning pros in Seattle, WA listed here. They send quotes back — no obligation.
- How much does duct cleaning service cost in Seattle, WA?
- Whole-home air duct cleaning typically runs $420–$960, and dryer vent cleaning runs $120–$300 in Seattle, Washington. See the Duct Cleaning pricing table on this page for the full per-service breakdown.
- Do Seattle duct cleaners need Washington State L&I registration and city contractor registration?
- Yes. Technicians performing duct cleaning in Seattle should be registered with the Washington State Department of Labor & Industries. Contractors must also hold the city-required contractor registration. Confirm both credentials before hiring and request the registration numbers to verify status with state or city portals.
- Does Seattle Department of Construction and Inspections (SDCI) require permits for duct access or related repairs?
- SDCI permits are required when work involves modifying structural framing, cutting into conditioned space, or altering mechanical systems. Simple cleaning of supply and return ducts usually does not need a building permit. Ask the provider whether proposed access or repairs trigger an SDCI permit and who will obtain it.
- When should a homeowner in Ballard or Queen Anne schedule dryer vent cleaning after the rainy season?
- Schedule dryer vent cleaning soon after prolonged October–April rains if indoor humidity rose or if dryer performance worsened. Excess moisture and fibers can accumulate faster during wet months. Book an inspection in late spring to clear lint and check for any moisture-related blockages or exterior vent cap damage.
- When is air duct sanitizing recommended for Seattle homes in Green Lake and Fremont?
- Air duct sanitizing is recommended when mold growth, persistent musty odors, or recent water intrusion has affected duct interiors. In Seattle's damp months, sanitizing may follow cleaning if moisture damage is present. Request lab-verified mold testing or visual documentation before approving sanitizing treatments.
- What factors most affect duct cleaning scheduling and service scope in Seattle?
- Scheduling and scope depend on recent water intrusion, visible mold or odor, home age, and HVAC configuration. Older homes in Ballard and Fremont often need more access work. Insulation condition, attic and crawlspace moisture, and the presence of multiple HVAC zones also change time and scope for a visit.
- How do I find a duct sealing specialist in Seattle who understands wet-season concerns?
- Look for providers who list duct-sealing as a core service and who document moisture-focused steps, such as sealing in conditioned space and testing before and after sealing. Ask whether the technician uses aerosol or mechanical sealing methods and whether they perform post-seal leakage testing or airflow verification.
- Do commercial buildings in Seattle need different duct cleaning protocols than residences?
- Yes. Commercial duct cleaning typically requires larger containment, higher-capacity vacuums, and coordinated access planning to avoid business disruption. Building managers should confirm insurance limits, confined-space procedures, and any required SDCI coordination for multi-tenant mechanical rooms or roof access.
- Can duct cleaning in Seattle include mold inspection and remediation steps?
- Yes, many providers perform visual mold inspections and document findings. Mold remediation that involves repairs or biocide application should be scoped separately. Request a written scope that distinguishes cleaning, sanitizing, and remediation activities, and ask whether the crew will coordinate with licensed remediation contractors when needed.