Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
See the difference
Before
After
Before
After
Before
AfterHow Much Does Air Quality & Sanitizing Cost in Bellevue?
Air quality and sanitizing work in Bellevue typically runs $350 to $1,100 for a whole-home package, with most single-system jobs landing between $450 and $750. A basic duct cleaning with sanitizing treatment starts around $350, while full duct repair plus cleaning and sanitizing can reach $1,100 or more depending on how much ductwork needs fixing. The written estimate always sets the final price, and estimates are free.
We connect Bellevue homeowners with independent local professionals who use commercial-grade equipment: Rotobrush rotary brush systems for mechanical agitation and extraction, Nikro HEPA-rated vacuums for particulate capture, and Abatement Technologies equipment for containment and negative air pressure. That’s the difference between a real clean and a shop-vac pass. If you’re comparing quotes, the equipment list matters more than the headline number.
Air Quality & Sanitizing Cost Breakdown (2026)
Here’s what Bellevue homeowners typically see for the individual pieces of an air quality job. Ranges reflect the local market for 2026 and assume a standard single-family home; larger homes, multiple systems, or heavy contamination push toward the top of each range.
| Service | Typical Bellevue Range | What’s Included |
|---|---|---|
| Whole-home air duct cleaning | $300 – $600 | Rotobrush agitation and extraction on supply and return runs, register and grille cleaning, negative air containment |
| Sanitizing treatment (added to cleaning) | $75 – $200 | Application of an antimicrobial fog through the duct system after cleaning |
| Dryer vent cleaning | $125 – $225 | Full-length lint and debris removal from the vent run, exterior termination check |
| Air duct repair (sealing, reconnecting, replacing runs) | $250 – $900+ | Depends on how many runs are compromised and whether flex, sheet metal, or rigid duct is involved |
| Filtration upgrade consultation | $0 – $150 (consult) | Assessment for Honeywell or Aprilaire filtration and IAQ equipment; hardware priced separately |
| Combined package (clean + sanitize + dryer vent) | $450 – $850 | Most common Bellevue booking; bundling the work usually costs less than scheduling each separately |
What drives cost up: the number of systems in the house, how many runs need repair versus cleaning, the level of contamination (pets, recent renovation dust, long gaps between cleanings), and whether you’re adding filtration hardware like a Honeywell or Aprilaire unit. What keeps cost down: a straightforward clean-and-sanitize on a well-maintained system, and catching duct damage early before it spreads.
What Affects Air Quality & Sanitizing Pricing in Bellevue
- Home size and number of HVAC systems. A large Bellevue home with two furnaces and two sets of ductwork takes roughly twice the labor and containment setup of a single-system house, which pushes a $400 job toward $700 or more.
- Contamination level. Homes with pets, recent remodels, or years without a cleaning need longer agitation runs and more HEPA filter changes. Heavy dust and debris loads move the job toward the top of each range.
- Duct condition and materials. Flex duct is faster to clean than rigid sheet metal with many turns. If runs are disconnected, crushed, or leaking, the job includes duct repair, which is where a $400 cleaning becomes a $900 project.
- Sanitizing method. A basic antimicrobial fog is the lower-cost option. Some homeowners pair sanitizing with filtration upgrades, and the hardware (Honeywell or Aprilaire) is priced as its own line.
- Dryer vent length and routing. A short straight vent run is quick. Long, elbows-heavy runs, or vents routed through a finished wall, take more time and show up at the upper end of the $125-$225 range.
- Season and air quality conditions. Bellevue’s damp fall and winter mean closed windows and recirculated air for months, and pollen season in spring drives allergy-sensitive homeowners to book sanitizing and filtration work. Both affect scheduling, not the unit price, which is set by the written estimate.
How to Save on Air Quality & Sanitizing in Bellevue
The biggest lever is bundling. Booking air duct cleaning, sanitizing, and dryer vent cleaning in one visit typically costs less than scheduling three separate appointments, because the containment setup and equipment mobilization happen once. Our Bellevue duct cleaning service quotes the combined package up front so you can see the number before anyone arrives.
Second: fix the duct system before you sanitize it. Sanitizing a system with disconnected or leaking runs is money spent on air that never reaches the living space. We repair what others walk past; identifying compromised ductwork first means the cleaning and treatment actually hold. Third: get a written, line-itemed estimate rather than a single lump number. That lets you decide whether filtration hardware is worth adding now or later, and it prevents surprise charges.
Free estimates keep the comparison honest. Call (833) 454-4523 and we’ll walk through what your home needs before any work is booked. We answer 24/7, with fast dispatch from 7am to 7pm.
Why Air Quality Pricing Varies Between Bellevue Providers
The same square footage can be quoted at $199 by one company and $600 by another because the equipment and scope are different. A low quote often reflects a consumer-grade vacuum, a quick register wipe-down, and no containment, meaning dislodged debris gets pushed back into the house instead of captured. Commercial-grade equipment changes both the process and the price: Rotobrush rotary brush systems, Nikro HEPA vacuums, and Abatement Technologies containment setups cost far more to run than a shop-vac, and the job takes longer. That’s the difference the higher quote is paying for.
Scope matters just as much. A provider that only cleans will clean around damage it doesn’t fix. A provider that also handles air duct repair can seal or reconnect failed runs in the same visit, which is often cheaper over time than cleaning the same leaking system twice. For Bellevue homeowners weighing quotes, ask two questions: what equipment is being used, and does the quote include duct inspection and repair options. If either answer is vague, keep looking.
What Does a Typical Air Quality & Sanitizing Visit Include?
A standard visit starts with an inspection of the duct system, registers, and air handler area to spot disconnected runs, crushed flex, or heavy contamination. The crew then sets up containment and negative air pressure with Abatement Technologies equipment, runs the Rotobrush system through each supply and return, and captures loosened debris with a Nikro HEPA vacuum. After cleaning, the sanitizing fog is applied, and the crew confirms airflow and notes any duct repair that’s needed. Dryer vent cleaning, when booked, is handled in the same visit.
The typical visit for a single-system Bellevue home with clean-plus-sanitize runs a few hours. Homes with duct repair or two systems take longer. Scheduling is handled locally; if a job needs a follow-up for repair, the estimate covers it before the work is booked.
Is It Cheaper to Clean or Replace Ductwork in Bellevue?
Cleaning is almost always cheaper than replacing ductwork. A full clean-and-sanitize typically runs $450 to $750, while replacing a whole system of runs can cost several times that. Repair sits in between: sealing and reconnecting failed sections usually lands in the $250 to $900 range depending on how many runs are involved. The right call depends on whether the ductwork is dirty or broken, which is why inspection comes first.
Most Bellevue homes with solid but dirty ductwork only need cleaning and sanitizing. Homes with crushed flex, disconnected joints, or leaks need repair to make the cleaning worthwhile. Call (833) 454-4523 for a free estimate and a straight answer on which category your home falls into.
FAQs – Air Quality & Sanitizing Cost
How much does air duct cleaning with sanitizing cost in Bellevue?
Typically $375 to $800 for a standard single-system home, combining whole-home duct cleaning ($300-$600) and sanitizing treatment ($75-$200). Homes with two HVAC systems or heavy contamination run toward the top of that range or above. Call (833) 454-4523 for a free written estimate.
How much does dryer vent cleaning cost in Bellevue?
Usually $125 to $225, depending on vent length and how many elbows the run has. It’s often booked alongside duct cleaning, which reduces the combined total. Since dryer vents are a leading cause of residential fires, it’s a preventive service worth doing on a regular schedule. Call (833) 454-4523 to add it to a cleaning.
Can you fix damaged ductwork at the same time as cleaning?
Yes. Air duct repair is priced separately, typically $250 to $900+, and can be handled in the same visit as cleaning and sanitizing when the scope is known. Inspecting first keeps cleaning from being wasted on leaking or disconnected runs. Call (833) 454-4523 for a free estimate that covers both.
Is it cheaper to bundle cleaning, sanitizing, and dryer vent work?
Usually yes. Bundling typically saves $50 to $150 compared with booking each service separately, because the containment setup and equipment mobilization happen once. The combined package runs about $450 to $850 for a single-system Bellevue home. Call (833) 454-4523 for the package price.
Can you come today?
Often yes, depending on scheduling. Same-day service is available in Bellevue and the surrounding area. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday; a call outside dispatch hours is booked into the next opening. Call (833) 454-4523 for the earliest available slot.
Does sanitizing replace duct cleaning?
No. Sanitizing is a treatment applied after cleaning and typically costs $75 to $200 as an add-on. Cleaning removes the debris first; sanitizing treats what’s left on the surfaces. Doing them in the right order is what makes the treatment effective. Call (833) 454-4523 for a combined estimate.
Book a Free Air Quality Estimate in Bellevue
If you’re weighing a cleaning, a sanitizing treatment, or duct repair, the fastest way to a real number is a free estimate. Call (833) 454-4523. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. Whether you’re comparing quotes from several Bellevue providers or just want to know what your home actually needs, we’ll walk you through the scope and pricing before anything is booked.
Pricing reflects the Bellevue market as of 2026. Duct Cleaning Bellevue offers free estimates – call (833) 454-4523.
Written by the team at Duct Cleaning Bellevue.
What Our Customers Say
"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Daniela Herrera"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Sofia Morales"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Anika Singh