The Full-System HVAC Cleaning Process

Let’s break down our multi-step, source-removal cleaning process to ensure nothing is missed:

• Mechanical Agitation: Certified technicians utilize specialized tools, such as rotating brushes and compressed air whips, to scrub the interior walls of both the supply and return trunklines. This breaks down sticky, caked-on debris and dust.

• HEPA Negative Air Machine: A high-powered negative air machine is connected to the ductwork, placing the ventilation system under immense negative pressure. This ensures that all dislodged contaminants and particulate matter are immediately extracted and captured into holding containers without releasing mess into your living space.

• Component Cleaning: The process goes beyond just the ducts. Technicians address core HVAC pathways, thoroughly inspecting and cleaning the furnace cabinet, blower motor/fan, and accessible registers and vent covers.

• Sanitization (Optional): When moisture intrusion or microbial growth is a concern, EPA-registered antimicrobial treatments can be applied to neutralize bacteria, mold, and fungi.

• Post-Cleaning Verification: The job finishes with a mechanical and visual inspection to guarantee the system is perfectly restored to optimal performance.

Primary Service Areas

Four Seasons Duct Cleaning is proudly based out of Everett, WA, and provides reliable, top-rated residential and commercial HVAC care to neighborhoods across the Pacific Northwest:

• Everett

• Lynnwood

• Marysville

• Mukilteo

• Edmonds

• Mill Creek

• Seattle

• Bellevue

• Issaquah

• Redmond

• Woodway

• Woodinville