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 Des Moines
HVAC cleaning in Des Moines, WA typically runs $425 – $680 for a standard single-system home, with the job taking about 3 – 5 hours from setup to final walkthrough. We book by the system, not by the vent, and you get a written price before a single duct is touched. If you’re near Saltwater State Park, Redondo, or up the hill toward Zenith, we know your home and how the Puget Sound air behaves inside it. Call (737) 727-2314 for a free estimate.
Des Moines sits right on the water, and that changes how HVAC systems collect debris. The marine layer keeps humidity high, so dust doesn’t just settle in your ducts – it cakes onto coils and blower wheels. We’re not a franchise van dispatched from two counties away. Our crews serve Des Moines directly, coordinated from the brand’s Seattle office. When you book, a live person answers. You’ll know the technician’s name before they knock.
Why Cardinal Air Duct Cleaning Is Des Moines’s Preferred HVAC Cleaning Company
We built our reputation in Des Moines on one promise: total visibility. Every booking comes with The Relay Standard – a live trackable arrival window, before-and-after photos of your actual ducts, and a digital invoice you can pay from your phone. No vague estimates. No price that shifts once the van pulls up. No wondering whether anything actually got cleaned.
Des Moines homeowners tell us the same thing over and over: they’ve been burned by a lowball per-vent coupon that turned into a four-figure invoice. That’s why we quote one flat price per system, agreed in writing before work starts. It’s the same price when we finish. The 365-Day Done Right Promise backs every job – if the work isn’t right within a full year, we come back and make it right at no charge. That’s not a warranty on paper. That’s how we’ve kept customers from Redondo Beach Drive to the Marina District calling us back.
Our technicians are background-checked, uniformed, and they run professional-grade equipment – Rotobrush rotary brush systems and Nikro HEPA-filtered vacuums, not a shop-vac bolted to a truck. Omar Haddad leads the team, and he holds every job to the same standard: if it’s not done right, it’s not done.
AC Vent Cleaning in Des Moines
AC vent cleaning in Des Moines is often less about cooling and more about what the damp marine air leaves behind. Supply registers, return grilles, and the duct runs behind them collect a film of dust, pet dander, and – in this climate specifically – biological growth that thrives when humidity stays high for months on end. A typical AC vent and supply duct cleaning for a Des Moines home runs $225 – $390 as part of a full system cleaning.
What we actually do
We remove the vent covers, agitate the duct walls with a Rotobrush rotary brush, and pull the loosened debris out under negative pressure with a Nikro HEPA vacuum. Negative-pressure extraction means the debris goes straight into the vacuum, not back into your living room. We then wipe and sanitize the vent covers themselves before reinstalling them.
When a Des Moines homeowner needs it
If you smell something musty when the system runs, or you see dust streaking on the wall near a supply register, the vents and immediate duct runs are usually the first place to look. Homes near the water – especially older homes in the Woodmont and Redondo areas – tend to accumulate more of this because windows stay closed through the damp season and the system recirculates the same humid air.
Furnace Duct Cleaning in Des Moines
Furnace duct cleaning in Des Moines addresses the full supply and return duct system that your furnace pushes air through all winter. In a damp coastal climate, the furnace ductwork is where dust mixes with moisture and forms a film that regular filter changes never touch. A full furnace duct cleaning for a typical Des Moines home runs $425 – $680, depending on system size and accessibility.
Source removal, not just a vacuum pass
We don’t just run a vacuum hose through your registers and call it done. We agitate every duct run mechanically to break the film loose, then extract it under negative pressure with HEPA filtration. We then inspect with a camera before and after, so you see what was removed – not just a receipt saying something happened. Before-and-after photos of your own ducts are part of every job, not an upgrade.
The air handler gets cleaned too
Furnace duct cleaning that skips the air handler is half a job. In Des Moines, the blower motor wheel and evaporator coil are where damp air causes the most buildup. We open the air handler, clean the blower assembly and coil, and document the condition before we close it back up. A homeowner near Marine View Drive called us with a persistent musty smell from the supply registers whenever the furnace kicked on. We performed a camera inspection of the air handler and found a biofilm film on the blower motor wheel and evaporator coil, a pattern we see often in Des Moines because the damp air never really dries out. Using agitation tools and negative pressure with HEPA filtration, we completed source removal on the supply and return ducts and the air handler. Before-and-after photos showed the coil and blower wheel restored to bare metal, and the odor was gone.
Trusted Brands We Service in Des Moines
We service all major furnace, heat pump, and air handler brands found in Des Moines homes – Carrier, Trane, Lennox, Rheem, Goodman, and Mitsubishi among them. We also stock filtration products from Honeywell, Aprilaire, and Guardsman for homeowners who want better air quality after the cleaning is done. Because we work in Des Moines regularly, we know which systems are common in the area’s 1970s split-levels, 1980s ramblers, and newer hillside builds near Zenith. That local familiarity means faster diagnostics and fewer surprises when we open up your system.
Common HVAC Cleaning Problems We See in Des Moines Homes
- Biofilm on blower motors and evaporator coils. The marine humidity means moisture never fully evaporates inside air handlers. We regularly find a gray-green film on surfaces that should be bare metal, and it’s the primary source of musty odors in Des Moines homes.
- Dust caked onto return duct walls. Homes near Marine View Drive and the I-5 corridor collect road dust and fine particulate. It settles in return ducts and, combined with humidity, bonds to the duct surface. A standard filter change won’t dislodge it.
- Contractors who skip camera inspection and agitation. We’ve followed behind too many cheap cleanings in Des Moines where someone ran a vacuum hose through the registers and left the biofilm untouched on the coil. You can’t see it from the vent opening, but you’ll smell it the next time the furnace runs.
- Per-vent pricing that inflates mid-job. A homeowner near Dash Point Road told us a previous company quoted $49 and by the time the van pulled away, the invoice was over $800. Per-vent pricing is designed to confuse. We quote the whole system, one price, in writing.
Pricing for HVAC Cleaning in Des Moines, WA
Here’s what honest HVAC cleaning costs in Des Moines. A full system cleaning – supply ducts, return ducts, air handler, blower, and coil – runs $425 – $680 for a typical single-system home. Homes with a second air handler or unusually long duct runs in larger hillside properties may run $700 – $950. We never charge by the vent. The price you’re quoted before we start is the price on your invoice when we finish. Call (737) 727-2314 for a free estimate – we’ll give you a written number over the phone or after a quick walkthrough, not a vague range with “variables” that only go up.
We Also Serve Cities Near Des Moines
Our HVAC cleaning team regularly serves homes in Des Moines and nearby communities. We work in Seattle, Tacoma, Spokane, and Vancouver, WA. If you’re just outside Des Moines proper – maybe in Federal Way or Burien – call anyway. We’ll let you know on the spot if we can get a crew to you. Or learn more about our full HVAC Cleaning services.
Serving Des Moines, WA - Our Local Coverage Area
We’re based in the Des Moines 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 HVAC Cleaning in Des Moines
Every 4 – 6 years for most Des Moines homes, though homes with pets, recent remodeling, or smokers may need it every 3 – 4 years. The damp marine climate doesn’t mean you need annual cleaning – it means the buildup that does accumulate is stickier and harder to remove without mechanical agitation. If you haven’t had it done and you’ve lived in the home for 6+ years, it’s usually worth an inspection. Call (737) 727-2314 and we’ll talk through whether it’s time.
Yes. In fact, we recommend it. In Des Moines, the AC vents and furnace ducts are part of the same system – the same blower moves air through both depending on the season. Cleaning only one side leaves the other side’s debris to recirculate. A full system cleaning takes about 3 – 5 hours, and we quote it as one flat price before work starts.
By the system. Always. Per-vent pricing is how cheap bait-and-switch companies in the Seattle metro inflate a $49 coupon into an $800 invoice once the technician is inside. We quote one written price for the full system – supply ducts, return ducts, air handler, blower, and coil – and it doesn’t change at the door. That’s the entire point: you know the number before you commit.
We run Rotobrush rotary brush systems for agitation and Nikro HEPA-filtered vacuums for negative-pressure extraction. Where containment is needed – for severe mold or heavy debris – we use Abatement Technologies containment units. These aren’t consumer-grade tools. They’re the same professional brands used by commercial duct cleaning crews, and they’re what allow us to offer the 365-Day Done Right Promise on every job.
Usually, yes – especially in Des Moines. The musty smell is almost always biological growth on the blower wheel and evaporator coil, not just dust in the ducts. When we remove that biofilm and extract the accumulated debris from the duct runs, the odor source is gone, not masked. We’ve had customers tell us the smell was gone the same day we finished. Call (737) 727-2314 and we’ll help you figure out if duct cleaning is the right fix or if something else is going on.
Written by Omar Haddad, Owner at Cardinal Air Duct Cleaning, serving Des Moines and the surrounding Puget Sound communities.




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