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.
Fast, Reliable HVAC Cleaning Across Kirkland
HVAC cleaning in Kirkland runs about $340-$690 for a full system on a typical 1960s-1980s home, with evaporator coil cleaning and air handler service priced separately or as part of a complete scope. We serve every Kirkland neighborhood, from Juanita to Finn Hill to Houghton, with crews dispatched from our Seattle office and scheduled around your availability. If you’re dealing with musty air, weak airflow, or a system that hasn’t been opened in a decade, we document what’s inside before we touch it. Call (806) 606-6902 to get a written price.
Why CleanRun Air Duct Cleaning Is Kirkland’s Preferred HVAC Cleaning Company
Kirkland homeowners have a specific problem: older homes, persistent lake humidity, and ductwork that predates modern sealing standards. We name the price before we open a single panel, and we photograph every duct run before and after the work. That pair of habits is why our HVAC Cleaning team keeps getting referred between neighbors in Juanita, Rose Hill, and the Houghton waterfront.
Tomas Reyes, who runs CleanRun, established the company in 2013 on a simple rule: no written price, no work. Every job we’ve done in Kirkland since then, whether it’s a 1972 rancher in Rose Hill or a 2008 remodel near Lakeview Drive, has started with a written scope and ended with a photo record the customer keeps. The 365-Day Done Right Promise backs it in writing.
We answer the phone with a live person. We show up in uniform, background-checked, and identified by name. And we bring equipment from Rotobrush, Nikro, and Abatement Technologies, brands you can look up before we arrive. Kirkland’s older housing stock needs a crew that understands what 50 years of lake-effect humidity does to galvanized duct and fiberglass liner. We do.
Our HVAC Cleaning Services in Kirkland

Kirkland’s split-levels and ranchers need more than a register wipe. The work happens inside the air handler, at the coil, and in the crawl-space duct runs where moisture does its slow damage. Here’s what we actually clean.
Evaporator Coil Cleaning
The evaporator coil sits above your furnace or inside your air handler, pulling moisture out of the air every cooling season. In Kirkland, where indoor humidity runs high from October through April, that coil stays damp. A biofilm forms. It sheds into the air stream. We clean the coil with professional-grade coil cleaner and document the before and after. A dirty coil in a Finn Hill split-level isn’t just an efficiency problem; it’s an air quality problem.

Blower Cleaning
The blower wheel pushes conditioned air through every run. When Kirkland’s older homes pull crawl-space air through disconnected return ducts, that blower wheel gets caked with fine dust and mineral deposits. We remove the blower assembly, clean the wheel blades, and check the motor amp draw while it’s out. A blower wheel that’s been ignored since 1985 moves a fraction of the air it should.

Condenser Cleaning
Your outdoor condenser sits in Kirkland’s rain, pollen, and cottonwood season. We wash the condenser coil, clear the fins, and verify refrigerant pressures before and after. This is external HVAC work, but it affects everything downstream. A clogged condenser makes the indoor coil run colder, which means more condensation, which feeds more microbial growth inside the system.

Air Handler Cleaning
The air handler is where Kirkland’s humidity problem converges. Fiberglass liner inside the handler cabinet absorbs moisture from the air stream. In waterfront neighborhoods, that liner can saturate and separate. We remove loose liner, clean the cabinet interior, sanitize with an EPA-registered product, and photograph what we found. When the liner is too far gone, we quote replacement as a separate line item, in writing, before work starts.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Kirkland
Kirkland homes run everything from original 1970s Rheem and Trane equipment to modern variable-speed systems. We service and clean all of them, and when components need replacement, we work with trade-recognized brands like Honeywell, Aprilaire, and Guardsman. We stock common filters and coil cleaner products for quick turnaround on Kirkland jobs, so a routine cleaning doesn’t require a second visit across the 520 bridge.
Common HVAC Cleaning Problems We See in Kirkland Homes

- Saturated fiberglass duct liner in waterfront crawl spaces. Homes within a few blocks of Lake Washington in Juanita and Houghton pull moisture into uninsulated crawl-space ducts. Years of that humidity saturates fiberglass liner until it separates from the sheet metal. We see it regularly when we pull a panel.
- Disconnected return ducts in 1960s ranchers. The original galvanized duct in Rose Hill and Finn Hill homes was often connected with nothing more than sheet metal screws and tape. Fifty years later, joints open up. The system then pulls crawl-space air, fiberglass insulation particles, and whatever else is down there directly into the blower.
- Renovation-era flex duct mistakes. The 2000s tech boom brought remodels to Kirkland’s older neighborhoods. Square footage was added, HVAC systems were extended, and flex duct was run through attic chases and crawl spaces. Often it was crushed, kinked, or never properly connected. We find these with camera inspection during a standard clean.
- Biofilm-coated evaporator coils feeding ‘allergy season.’ Kirkland’s damp climate keeps indoor relative humidity high for months. When the coil never dries out, a biofilm forms. Homeowners blame pollen from Bridle Trails or the Sammamish River Trail, but the system is redistributing what grew inside it.
Pricing for HVAC Cleaning in Kirkland, WA
We give written prices before work starts, not estimates after we’ve opened the system. For Kirkland homes, here’s what that typically looks like:
- Full HVAC system cleaning (blower, evaporator coil, air handler, supply and return runs): $340-$690 depending on system size and number of runs.
- Evaporator coil cleaning only: $180-$290.
- Air handler cleaning with sanitizing: $220-$360.
- Condenser cleaning: $140-$220.
- Coil treatment after cleaning: $60-$110.
What changes the price? Number of supply runs, whether the air handler is in a crawl space or a finished closet, how much access the original builder left, and whether we find fiberglass liner that needs replacement. We tell you the number before we start. Every time. If you have a competitor’s quote, bring it. We’ll put our number next to it in writing, free.
We Also Serve Cities Near Kirkland

Our crews serve Kirkland and the surrounding Eastside, including Redmond, Bellevue, Seattle, and Renton. The same written pricing, the same photo record, the same 365-Day Done Right Promise applies whether your home is in Juanita or across the water in Seattle. Kirkland’s older ductwork has its own failure patterns, and we’ve spent years learning them.
Serving Kirkland, WA - Our Local Coverage Area
We’re based in the Kirkland 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 Kirkland

The dampness is almost always condensation from lake-effect humidity, not a roof leak. Kirkland’s proximity to Lake Washington keeps crawl-space air moist for most of the year. When that air leaks into uninsulated duct runs, the fiberglass liner absorbs the moisture and holds it. Over time the liner saturates and begins to separate from the sheet metal. The fix involves removing the failed liner, sealing the duct joints, and sometimes adding insulation to the runs. Call (806) 606-6902 and we’ll camera-inspect your runs and show you exactly what’s happening.
Often, the problem isn’t dirt. It’s disconnected joints and crushed runs. Galvanized duct from the 1960s and 1970s was frequently connected with sheet metal screws and foil tape that fails over time. When joints open in a crawl space, the system pulls air from the crawl instead of the return grilles, and upstairs rooms starve for airflow. We camera-inspect the runs during a cleaning, find the disconnects, and quote sealing as a separate written line item. The cleaning removes what’s accumulated; the sealing is what restores even heat.
Yes, and it’s a common one on Kirkland’s renovation-era homes. The flex ducts added during remodels are often improperly supported, pinched at bends, or connected with unmatched fittings. When the heat runs, the system pulls air across whatever’s accumulated in those sagging, kinked runs, and the musty smell distributes through the house. We clean what’s inside the flex, verify the connections, and photograph every run before and after. If the flex was installed wrong, we’ll show you that too and quote the repair in writing.
We use negative-pressure extraction with HEPA filtration on the supply side while cleaning the air handler. The system stays under negative pressure, so spores and debris get pulled into the containment system instead of blowing into your living space. That’s the method we’ve used on waterfront homes in Houghton and lower Juanita, where saturated liner and microbial growth are most common. Last fall our crew pulled a supply duct panel from a 1974 split-level in lower Juanita and found the original fiberglass liner completely saturated and separating from the sheet metal, not from a leak, but from years of lake-side crawl-space humidity alone. We removed the failed liner, sealed the disconnected joints we found with camera inspection, and reinstalled the run under negative pressure with HEPA filtration. The homeowner’s ‘allergy season’ finally ended because the air handler was no longer redistributing mold spores year-round.
In most Juanita homes we inspect, the musty smell is not the basement itself. It’s the HVAC system pulling crawl-space air through disconnected return ducts and circulating it through saturated fiberglass liner. The basement just gets blamed because the return runs pass through it. Once we seal the return-side leaks and clean or replace the contaminated liner, the odor goes away. If you smell must every time the system runs, call (806) 606-6902 for a written inspection. We’ll show you the photo record either way.
Get a Written Price for HVAC Cleaning in Kirkland
We don’t do phone quotes that turn into something else once we’re on site. We inspect, we show you what’s inside, and we put the price in writing before any work starts. That’s been the rule at CleanRun since 2013, and it applies to every Kirkland home we visit, from Rose Hill ranches to Houghton waterfront properties. Call (806) 606-6902 to schedule an inspection. The estimate is free, and the photo record is yours whether you hire us or not.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning, serving Kirkland under the H.A.V.E.N. Standard since 2013.




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