Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Before
After
Before
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Before
AfterAir Duct Cleaning Company in Maple Valley, WA
Air duct cleaning in Maple Valley typically runs $350 – $650 for a whole-home system, with most jobs completed in a single visit. We’re Hollis Air Duct Cleaning, and we serve Maple Valley from our Seattle office with crews that know the local conditions: fir pollen, crawlspace moisture, and the flexible ductwork common in 1990s – 2020s builds. Call us at (361) 326-5060 for a free estimate with a written price that won’t change once we’re at your door.
Why Maple Valley Homes Are Different
Maple Valley sits in a damp, forested valley where tree pollen and Douglas fir needles are constant, and many homes are heated with forced-air systems that draw in outdoor air without proper filtration. This makes duct cleaning a seasonal necessity tied to the region’s pollen and needle-fall cycles rather than a one-time fix.
The housing stock splits two ways. Most neighborhoods built from the 1990s through the 2020s have flexible ductwork and heat pumps, which sag and collect debris in the low spots. Older homes near the historic downtown core, pre-1980, run rigid metal ducts that accumulate debris differently, often with decades of layered dust. Many homes here have daylight basements or crawlspaces, which can pull ground-level moisture and contaminants directly into the system.
After windstorms, our technicians routinely find fir needles and cedar fronds clogging outdoor intake vents and ductwork, a problem rarely seen in cities without dense conifer forests. The Pacific Northwest’s wet, mild climate also fosters mold and mildew growth inside ducts, especially in fall and winter when humidity stays high. Summer pollen from Douglas fir and alder trees infiltrates systems, requiring more frequent cleaning than in drier regions.
Our Main Maple Valley Services
Maple Valley homeowners call us most often for these three services, each with its own page and pricing.
Air Duct Cleaning in Maple Valley
We clean the full supply and return duct network using a Rotobrush rotary brush system for flexible lines or negative-air method for rigid metal ducts, whichever your home requires. In Maple Valley, we pay special attention to pollen buildup from fir and alder seasons, and to moisture-related microbial growth in crawlspace-connected systems. Every job gets a written price before we start and is covered by our 365-Day Done Right Promise. Air Duct Cleaning in Maple Valley
Dryer Vent Cleaning in Maple Valley
Lint accumulation in dryer vents is a fire hazard, and Maple Valley’s older homes often have longer vent runs through crawlspaces or exterior walls that trap debris. We use professional-grade equipment to clear the full line and verify airflow at termination. Our technicians are background-checked and uniformed, and we leave the site clean. Dryer Vent Cleaning in Maple Valley
Duct Sealing in Maple Valley
Leaky ducts waste heated and cooled air into attics and crawlspaces, which is especially costly in Maple Valley’s heat-pump-heavy housing stock. We seal joints and seams with mastic and proper tape, then pressure-test to confirm results. This work often pays for itself in reduced utility bills within a season or two. Duct Sealing in Maple Valley
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Maple Valley
We stock parts and filters from Honeywell, Aprilaire, Abatement Technologies, and Guardsman, and we service all major HVAC brands common in Pacific Northwest homes. Most replacement items are available same-day or next-day through our Seattle office. our brands
Pricing for Air Duct Cleaning Company in Maple Valley, WA
| Service | Typical range in Maple Valley |
|---|---|
| Whole-home air duct cleaning (single system) | $350 – $650 |
| Whole-home air duct cleaning (two systems) | $550 – $950 |
| Dryer vent cleaning (standard run) | $120 – $200 |
| Dryer vent cleaning (long run or roof termination) | $180 – $280 |
| Duct sealing (single system, mastic method) | $400 – $800 |
| Duct sealing (two systems) | $650 – $1,200 |
| HVAC mold/mildew treatment add-on | $150 – $300 |
| Register and grille deep cleaning | $75 – $150 |
Prices in Maple Valley run toward the higher end when homes have crawlspace ductwork requiring extra access time, or when post-storm needle removal adds labor. We give one flat price per system, agreed in writing before any work starts. No per-vent pricing, no surprises at the door.
Neighborhoods We Serve in Maple Valley
We work across Maple Valley and the surrounding unincorporated King County areas our crews can reach within a standard dispatch window. Most appointments are scheduled within a few days, with emergency response available for dryer vent blockages and similar hazards.
- Lake Wilderness
- Witte Lake
- Four Corners
- Rock Creek
- Tahoma
Service Area – Cities Near Maple Valley
Our crews regularly serve homes in Hobart, WA, Black Diamond, WA, Kent, WA, and Issaquah, WA, with scheduling coordinated from our Seattle office. If you’re unsure whether your address falls within our dispatch range, call us and we’ll confirm.
Serving Maple Valley, WA - Our Local Coverage Area
We’re based in the Maple Valley area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning Company in Maple Valley
No permit is required for standard duct cleaning or dryer vent cleaning in Maple Valley. Duct sealing that involves modifying duct layout may need King County permitting; we handle that paperwork when applicable and include it in your written price. Call (361) 326-5060 if you’re unsure about your specific project.
Most Maple Valley appointments are available within 3 – 5 business days, with priority scheduling for dryer vent blockages that present a fire risk. We do not overbook; if we say we’ll arrive between 8 and 10 a.m., we arrive inside that window. Call (361) 326-5060 to check current availability.
Yes. We work in Maple Valley’s planned communities and HOA neighborhoods regularly, and our technicians follow each association’s access and parking rules. We carry proof of insurance and background-check documentation if your HOA requires it. Let us know any special requirements when you call (361) 326-5060.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Maple Valley Customers Say
"They checked each section with a camera and showed me the dust before and after. Thorough and honest."
- Nicole H."Duct sealing along with the cleaning cut our summer bill. Straight talk and fair price."
- Gwen O."Sealed some leaking duct joints in the crawl space with mastic. Rooms that were always cold now get air."
- Ronald W.