# Capitol Duct Cleaning

> A veteran-owned, NADCA-certified air duct and home services company serving
> Western Washington since 1995, offering residential and commercial duct cleaning,
> crawl space services, attic insulation, and more with a 100% satisfaction guarantee.

## About Capitol Duct Cleaning

- Website: https://capitolductcleaning.com
- About: https://capitolductcleaning.com/about/
- Contact: mailto:office@capitolductcleaning.com
- Phone: 360-352-4693
- Address: 133 168th St S, Spanaway, WA 98387
- Hours: Monday–Friday, 24 hours | Saturday–Sunday: Closed
- License: CAPITDC862CJ

Capitol Duct Cleaning is a locally owned, veteran-owned-and-operated home services
company based in Spanaway, Washington. Founded in 1995, the company is a certified
member of the National Air Duct Cleaners Association (NADCA) and holds a 5.0 rating
across 823+ Google reviews. They serve residential and commercial customers across
Western Washington, including Seattle, Tacoma, Olympia, Bellevue, and surrounding
communities. Capitol Duct offers transparent pricing, before-and-after documentation
of all work, and a 100% satisfaction guarantee. Military and first responder discounts
are available.

## Services

- Air Duct Cleaning: https://capitolductcleaning.com/services/air-duct-cleaning/
  Residential air duct cleaning using the Source Removal method — a high-powered
  vacuum system that creates negative pressure to pull dust, debris, allergens, mold,
  and other contaminants out of supply and return ductwork. Recommended every 3–5
  years under normal conditions.

- Air Duct Sealing: https://capitolductcleaning.com/services/air-duct-sealing/
  Professional sealing of leaky ductwork to improve HVAC efficiency, reduce energy
  costs, and prevent conditioned air from escaping into unconditioned spaces.

- Commercial Air Duct Cleaning: https://capitolductcleaning.com/services/commercial-air-duct-cleaning/
  Air duct cleaning services for commercial buildings and businesses throughout
  Western Washington.

- Certified Ventilation Inspection: https://capitolductcleaning.com/services/certified-ventilation-inspection/
  NADCA-certified inspection of ventilation systems to assess air quality, duct
  condition, and system performance.

- Dryer Vent Cleaning: https://capitolductcleaning.com/services/dryer-vent-cleaning/
  Cleaning and clearing of dryer exhaust vents to remove lint buildup, reduce fire
  risk, and restore dryer efficiency.

- Attic Insulation & Cleaning: https://capitolductcleaning.com/services/attic-insulation/
  Attic cleaning, insulation removal, and new insulation installation to improve
  home energy efficiency and air quality.

- Crawl Space Inspection: https://capitolductcleaning.com/services/crawl-space-inspection/
  Professional inspection of crawl spaces for moisture, mold, pest activity, damaged
  insulation, and structural concerns.

- Crawl Space Cleaning: https://capitolductcleaning.com/services/crawl-space-cleaning/
  Removal of debris, damaged insulation, rodent waste, and other contaminants from
  residential crawl spaces.

- Crawl Space Insulation: https://capitolductcleaning.com/services/crawl-space-insulation/
  Installation of new insulation in crawl spaces to improve home energy efficiency
  and reduce moisture issues.

- Crawl Space Encapsulation: https://capitolductcleaning.com/services/crawl-space-encapsulation/
  Full crawl space encapsulation with vapor barriers to prevent moisture intrusion,
  mold growth, and pest access.

## Docs

- [Service Areas](https://capitolductcleaning.com/service-areas/): Full list of cities
  and counties served across Western Washington.
- [Resources](https://capitolductcleaning.com/resources/): Educational content on
  duct cleaning, indoor air quality, and home maintenance.
- [Buy Air Filters](https://capitolductcleaning.com/buy-air-filters/): Purchase
  replacement air filters directly through Capitol Duct.

## Optional

- [Privacy Policy](https://capitolductcleaning.com/privacy-policy/)
- [Site Map](https://capitolductcleaning.com/sitemap/)