Fast, Reliable HVAC Cleaning Across Kenmore
HVAC cleaning in Kenmore typically runs $280-$620 for a full system service, with most jobs completed in a single visit by our HVAC Cleaning team. We answer calls live, dispatch from our Seattle office, and usually reach Kenmore homes within 45 minutes to an hour. Call (833) 700-5198 for a free estimate with upfront pricing.
We’ve worked Kenmore’s neighborhoods since 2012, from the lake flats near Saint Edward State Park to the post-war ramblers along Juanita Drive and the hillside streets above Bothell Way. We know the 98028 ZIP well. The moisture coming off Lake Washington and up the Sammamish River corridor creates conditions here that you won’t find five miles east in Bothell’s drier hills. That local knowledge changes how we approach every job.
Why Bellows Air Duct & Vent Co. of Seattle Is Kenmore’s Preferred HVAC Cleaning Company
Our reputation in Kenmore was built one house at a time, mostly by homeowners who’ve lived in the same place for twenty-plus years and don’t have patience for callbacks. They want the job done right, documented, and finished. We camera-inspect every duct system before and after cleaning. You see what we see. No claims without proof.
Response time matters when your system is blowing musty air or your coils are icing over. We keep our schedule open for Kenmore calls and typically arrive same-day or next-day. Our technicians are background-checked, uniformed, and equipped to handle most jobs in a single visit.
What separates us from the coupon crews is simple: one honest price shown before we start, and our 90-Day Done Right Promise stamped on every invoice. If it’s not right, we make it right. No paperwork, no arguing. Colin Merritt stands behind that personally.
Our HVAC Cleaning Services in Kenmore
Evaporator Coil Cleaning
The evaporator coil in your air handler is where moisture condenses and where dust collects. In Kenmore, that combination happens faster and heavier than almost anywhere in the metro. Lake-effect humidity keeps coils wet longer, and wet coils trap debris. A typical evaporator coil cleaning in Kenmore runs $180-$340. We use foaming cleaners and low-pressure rinses that won’t bend delicate aluminum fins. For coils with biological growth, we follow with antimicrobial treatment.

Blower Cleaning
Your blower motor and wheel push conditioned air through every room. When the wheel cakes with dust, airflow drops and your system runs longer. In Kenmore’s older homes, especially the 1950s-1970s ramblers near the Sammamish River, we’ve found blowers loaded with decades of accumulation plus mildew from crawl-space return air. Blower cleaning here typically costs $140-$260. We remove the assembly when possible, clean it outside the unit, and check motor amp draw before reassembly.

Condenser Cleaning
The outdoor condenser coil rejects heat. When it’s clogged with cottonwood fluff, pollen, or landscaping debris, head pressure rises and efficiency falls. Kenmore’s mature lakeside neighborhoods have heavy tree cover, and condensers near cottonwoods or bigleaf maples need annual attention. Condenser cleaning in Kenmore usually runs $120-$220. We fin-straighten as needed and check refrigerant levels only if performance data indicates a leak, not as an automatic upsell.

Air Handler Cleaning
The air handler is the central station: blower, coil, drain pan, and filter rack. In Kenmore’s mid-century homes, many air handlers sit in vented crawl spaces or damp basements where the cabinet itself collects mildew. Air handler cleaning runs $200-$380 depending on access and condition. We clean the cabinet interior, treat the drain pan to prevent algae blockage, and verify that condensate drains freely. On the lake flats, a clogged drain in July can flood a crawl space within hours.

Coil Treatment
After cleaning, we offer coil treatment with EPA-registered antimicrobial products from Abatement Technologies. This isn’t a perfume mask. It inhibits mold regrowth on coils and drain pans in high-humidity environments. In Kenmore, where crawl-space humidity routinely exceeds 70% into August, this treatment extends clean intervals significantly. Coil treatment adds $80-$140 to a cleaning service. We recommend it for any system showing prior biological growth.

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.
Trusted Brands We Service in Kenmore
We clean and service equipment from every major manufacturer, and we stock common replacement parts for faster turnaround on Kenmore jobs. Our cleaning equipment comes from Rotobrush and Abatement Technologies, the same brands serious HVAC contractors specify. For coil treatments and air quality solutions, we use Aprilaire products designed for Pacific Northwest humidity loads. We don’t show up with shop vacs and guesswork. The tools match the trade.
Common HVAC Cleaning Problems We See in Kenmore Homes
- Condensation pooling in low-point flex duct sags. On Kenmore’s flat lake terrain, original flex duct runs through crawl spaces develop bellies that trap water. We routinely find standing moisture in these sags. The duct must be realigned or replaced before cleaning proceeds. A straightened run with proper support prevents recurrence.
- Mold colonization in crawl-space ducts from sustained humidity. When relative humidity stays above 70% for months, mold establishes inside duct liners. Standard cleaning isn’t enough. We HEPA-vacuum debris, apply antimicrobial treatment, and recommend dehumidification strategies for the crawl space itself.
- Corroded metal fittings from decades of moisture exposure. Original sheet-metal trunks and fittings in Kenmore’s older homes show rust and pitting that predates current owners. Corroded fittings leak conditioned air and draw in crawl-space air. Partial replacement with sealed connections restores system integrity.
- Biological growth on evaporator coils from extended wet-run hours. Kenmore’s humidity keeps coils wet longer each cycle. Combined with older filters and bypassed return air, this produces coil fouling that standard filter changes won’t address. Professional cleaning with fin-safe chemistry is required.
Pricing for HVAC Cleaning in Kenmore, WA
Most full HVAC cleaning jobs in Kenmore fall between $280 and $620. Here’s how typical services break down:
| Service | Typical Range in Kenmore |
|---|---|
| Evaporator Coil Cleaning | $180 - $340 |
| Blower Cleaning | $140 - $260 |
| Condenser Cleaning | $120 - $220 |
| Air Handler Cleaning | $200 - $380 |
| Coil Treatment (antimicrobial) | $80 - $140 |
| Full System Cleaning (multiple components) | $280 - $620 |
What moves the price: accessibility of components, severity of buildup, whether duct realignment or partial replacement is needed before cleaning, and if antimicrobial treatment is indicated. We inspect with cameras, show you the condition, and give one upfront price before any work begins. The number on the phone matches the number on the invoice. Estimates are free. Call (833) 700-5198.
We also honor our standing offers: $50 off any repair over $250, free second opinion on any written estimate, $89 seasonal tune-ups, and a permanent 5% senior and veteran discount.
We Also Serve Cities Near Kenmore
Our service radius covers the full north Lake Washington area. We regularly work in Kenmore, Lake Forest Park, Bothell, Bothell East, and Bothell West. Each area has its own conditions. Bothell’s hillside homes drain better but face different challenges with newer construction and tighter envelopes. We adjust our approach to the house, not the ZIP code.
Serving Kenmore, WA - Our Local Coverage Area
We’re based in the Kenmore 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 - HVAC Cleaning in Kenmore
Kenmore’s position at the north end of Lake Washington, where the Sammamish River flows in, creates a persistently moisture-saturated microclimate that Bothell’s higher, drier hillsides simply don’t experience. Your crawl space likely runs 10-15% higher relative humidity than equivalent homes just a few miles east. That sustained moisture inside duct systems supports mold growth that wouldn’t establish elsewhere. We address this with antimicrobial treatment and can recommend crawl-space moisture control. Call (833) 700-5198 for an inspection.
We inspect for sags, tears, and standing moisture. If low-point sags are pooling condensation or liners are torn, replacement is recommended; otherwise cleaning and antimicrobial treatment may suffice. On a 1960s rambler near the Sammamish River mouth, we found flex duct sags pooling condensation and an original sheet-metal trunk with corrosion from decades of ground moisture. We realigned the runs, replaced a torn inner liner, and applied antimicrobial treatment before cleaning - a job that, in drier Bothell hillsides, would have been straightforward dust removal. Call (833) 700-5198 for a free estimate.
Musty odor indicates active biological growth, and cleaning alone won’t stop regrowth if moisture remains. We camera-inspect to locate the source, clean with HEPA containment, apply antimicrobial treatment, and identify whether duct realignment or crawl-space dehumidification is needed. In Kenmore’s lake-flat homes, the underlying moisture issue is usually as important as the cleaning itself. Call (833) 700-5198 - estimates are free, and we’ll show you exactly what we find.
“Indoors” in a Kenmore crawl space is still a damp environment. Original sheet-metal ducts in 1950s-1970s homes were never designed for decades of 70%+ humidity. Condensation forms on cold metal surfaces, and over time that produces rust and pitting that compromises seals. We replace corroded sections with properly sealed fittings and can apply protective coatings. The repair prevents conditioned air loss and crawl-space air infiltration. Call (833) 700-5198 for an exact assessment.
Yes. Calls are answered by a live person 24 hours a day, and we prioritize Kenmore calls based on system impact, not just scheduling convenience. A completely blocked coil or flooded crawl space gets same-day response. Most standard cleanings schedule within 24-48 hours. Call (833) 700-5198 anytime - you’ll speak to a person, not a voicemail system.
Ready to get your Kenmore home’s HVAC system cleaned right? Call Bellows Air Duct & Vent Co. at (833) 700-5198 for a free estimate with upfront pricing. We’ll be there when we say, we’ll show you what we find, and we stand behind our work with the 90-Day Done Right Promise. No paperwork, no arguing. Just a square deal.
Written by Colin Merritt, Owner at Bellows Air Duct & Vent Co., serving Kenmore since 2012.