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
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After
Before
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AfterHow Much Does Air Quality & Sanitizing Cost in North San Jose?
Air quality and sanitizing work in North San Jose typically costs $450 to $1,400 for most homes, depending on the scope. A basic whole-home duct cleaning with sanitizing treatment usually lands near $500 to $750 for a standard single-family house, while deeper work that includes duct repair, dryer vent cleaning, and a filtration upgrade runs higher. Every price we give is set per job by a written estimate, so the final number reflects your actual ductwork, not a coupon.
Here’s the short answer on why that range is wide: North San Jose has a lot of housing built between the 1960s and the 1990s, and the duct systems in those homes vary enormously in condition. Flexible duct from a 1980s tract home is a different job than rigid metal duct in a newer townhome near Rivermark. We measure what we’re working with before we quote.
Air Quality & Sanitizing Cost Breakdown (2026)
The table below shows typical estimated ranges for each service line in the North San Jose market. These are estimates, not fixed prices. Your written estimate sets the final cost.
| Service | Typical Estimated Range | What It Covers |
|---|---|---|
| Whole-home air duct cleaning | $350 – $650 | Rotary-brush cleaning of all supply and return runs, HEPA vacuum extraction, register and vent cleaning |
| Duct sanitizing treatment | $150 – $350 | Application of an EPA-registered sanitizer through the duct system after cleaning |
| Dryer vent cleaning | $125 – $250 | Full brush and vacuum cleaning of the dryer vent run from dryer to exterior termination |
| Air duct repair (sealing, reconnecting, replacing sections) | $250 – $900 | Diagnosis and repair of disconnected, crushed, torn, or leaking ductwork |
| Return duct cleaning and access panel work | $100 – $300 | Cleaning the larger return runs, adding access where none exists |
| Whole-home package (cleaning + sanitizing + dryer vent) | $550 – $1,100 | Combined service, quoted as a single engagement |
| Elevated air-quality remediation (fine particulates, biological contaminants) | $800 – $2,000+ | Abatement Technologies equipment on-site, containment, HEPA filtration, post-cleaning verification |
What pushes a job toward the high end? Square footage and the number of register runs matter first. A 2,400-square-foot house with 18 supply registers takes longer than a 1,200-square-foot condo with 8. Duct condition is the second driver. If a run is crushed behind a cabinet or disconnected in the attic, we’re repairing before we’re cleaning. Third is the equipment required. A standard cleaning uses the Rotobrush rotary-brush system and a Nikro HEPA vacuum, which handles most homes. Homes with visible microbial growth or heavy particulate loads need the Abatement Technologies setup, and that raises the price accordingly.
Homes in North San Jose that were built during the tech boom of the late 1990s and 2000s often have newer mechanical systems but ductwork that was installed fast. Those are the jobs where we find flex duct runs stretched too tight around corners, which restricts airflow and collects dust at the pinch points. Newer construction doesn’t automatically mean clean ducts.
What Affects Air Quality & Sanitizing Pricing in North San Jose
Pricing here isn’t a flat rate, and it shouldn’t be. These are the factors that move it most in North San Jose specifically.
- Home age and neighborhood. The housing stock in North San Jose spans several eras. Homes in the older sections near Alviso and the neighborhoods off North First Street were built decades ago and often have duct systems that have never been cleaned. Newer homes near Rivermark and the developments along Zanker Road tend to have tighter, more modern ductwork but sometimes with installation shortcuts we find and fix. The age and layout of your home directly affects how much time cleaning takes.
- Number of registers and returns. More runs means more cleaning. A home with a single central return cleans faster than one with multiple return registers spread across rooms.
- Duct accessibility. Ducts buried in walls, run through tight attic spaces, or in crawlspaces take longer to access. If a run has no access point, we may need to add a panel before cleaning. That’s a real cost, and we tell you about it up front rather than mid-job.
- Level of contamination. Routine dust cleaning is at the low end of our range. Visible mold growth, rodent contamination, or heavy debris from a renovation pushes the job into the remediation range, which requires containment and HEPA filtration through the Abatement Technologies equipment.
- Whether repair is needed. Cleaning around a torn or disconnected duct is wasted effort. If our inspection finds breaches in the system, we repair them as part of the same engagement. That’s why we offer air duct repair as a core service rather than a separate callout later.
- Sanitizing: yes or no. Not every cleaning needs a sanitizing treatment. If ducts are cleaned properly and there’s no evidence of microbial growth, sanitizing is often optional. When a home has had water intrusion, pest activity, or a previous HVAC issue, it’s worth doing.
- Integrated air-quality systems. Homes with Aprilaire or Honeywell whole-home filtration or humidity control need those systems inspected alongside the ducts. We work with both brands, so we can check the media cabinet, humidifier, and controls while we’re on site rather than leaving you to chase down a separate contractor.
How to Save on Air Quality & Sanitizing
There’s no honest way to make this work cheap if the ducts genuinely need cleaning and repair. But there are ways to avoid paying for things you don’t need.
- Have the ducts inspected before you commit to cleaning. If you’ve never had your ducts cleaned and don’t have symptoms like dust buildup, allergy flare-ups, or uneven airflow, an inspection may tell you the ducts are fine for now. We’d rather tell you that than sell you a cleaning you don’t need.
- Combine services in one visit. If you’re having duct cleaning done and the dryer vent is due, handling both in one engagement saves a second visit and usually brings the combined cost down. Dryer vent cleaning is a genuine fire safety service on its own, and it’s worth doing on its own schedule regardless.
- Repair before you clean, not after. If ducts are breached or disconnected, fixing them first means the cleaning actually holds. Cleaning compromised ducts and then repairing them later means paying twice. Our repair capability is one reason we can do this in one engagement rather than referring you elsewhere.
- Skip the sanitizing if it’s not indicated. Ask whether it’s actually needed. If your ducts are being cleaned properly and there’s no sign of microbial growth, you may be able to save that line item.
- Get a written estimate before work starts. We give free estimates, and the written estimate sets the final price. No surprises on the invoice.
Call (855) 506-8636 to schedule a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Equipment Matters to What You Pay
The single biggest thing that separates a $350 duct cleaning from one that actually works is what’s inside the truck. Consumer shop vacs and lightweight setups can knock loose surface dust, but they don’t dislodge compacted debris from the duct walls, and they don’t capture the fine particulates they stir up. In a home where someone has asthma or allergies, recirculating those particulates into the living space is worse than not cleaning at all.
We use Rotobrush rotary-brush systems, which are the industry benchmark for getting at compacted material inside duct walls, combined with Nikro HEPA-rated vacuums that capture what’s dislodged rather than blowing it into the room. For homes with elevated air-quality concerns (visible growth, fine particulate loads, biological contaminants), we bring Abatement Technologies equipment on site, which is built for remediation work rather than routine cleaning. We also work with Aprilaire and Honeywell integrated systems, so if your home has whole-home filtration or humidity control, we can inspect and advise on that alongside the ducts.
That equipment investment is why our pricing isn’t the lowest on a search results page. If you’ve had a coupon-driven cleaning before and weren’t impressed, the price wasn’t the problem. The equipment was.
What Does a Typical Air Quality Visit Look Like?
We start with an inspection. That means looking at the air handler, the supply and return runs, the register boots, and (where accessible) the duct runs through the attic or crawlspace. If we find breaches, crushed sections, or disconnected joints, we flag them before cleaning begins, because repair affects scope and price.
From there, the cleaning itself uses the rotary-brush system to loosen debris from all interior duct surfaces, with the HEPA vacuum running simultaneously to capture it. Registers and vents get cleaned by hand. If we’re adding sanitizing, it happens after cleaning, when the duct surfaces are clear. If a dryer vent is part of the visit, that run gets brushed and vacuumed from the dryer connection to the exterior termination, and we check that the exterior flap opens freely.
When we’re done, we walk the system with you and explain what we found. If we’ve identified an issue that needs follow-up (a section of duct that needs replacing, a filtration media cabinet that’s overdue for a change), you’ll know about it and have a written recommendation. Better air starts at the source, and that means understanding what’s in the system, not just cleaning and leaving.
When Is Air Quality and Sanitizing Work Worth the Cost?
Duct cleaning and sanitizing aren’t things every home needs on a fixed schedule. Here’s when the cost is justified:
- You’ve recently moved into a home and don’t know the duct history.
- You’ve had a renovation that generated significant dust (drywall, flooring, etc.).
- Someone in the household has allergies, asthma, or respiratory sensitivity.
- You’re seeing visible dust buildup on registers or around the air handler.
- There’s evidence of pest activity or moisture in the system.
- Airflow is uneven room to room, which often signals a duct problem worth diagnosing.
- Your dryer is taking longer than it used to, which is a sign the vent is restricted. That’s a fire risk, and dryer vent cleaning is one of the most straightforward safety investments a homeowner can make.
If none of those apply and your system is running well, the honest answer is you may not need it right now. We’d rather tell you that on the phone than book a job you don’t need.
FAQs – Air Quality & Sanitizing Cost
How much does air duct cleaning cost in North San Jose?
Whole-home air duct cleaning in North San Jose typically runs $350 to $650 for a standard single-family home. Larger homes with more register runs, or homes where duct repair is needed, run higher. Call (855) 506-8636 for a free estimate. The written estimate sets the final price.
How much does duct sanitizing cost?
Duct sanitizing treatment typically adds $150 to $350 to a cleaning, depending on the size of the system and whether there’s evidence of microbial growth that calls for a more thorough approach. Not every home needs it. We’ll tell you honestly whether it’s indicated for yours.
How much does dryer vent cleaning cost in North San Jose?
Dryer vent cleaning in North San Jose typically costs $125 to $250, depending on the length and routing of the vent run. A long, multi-elbow run takes more time than a short straight shot to the exterior wall. It’s a standalone safety service and one we’d encourage every homeowner to have done at least once.
What’s included in the price?
Every estimate covers the full scope of work: inspection, cleaning with professional-grade equipment, register and vent cleaning, and a walk-through at the end. Repair work, sanitizing, and dryer vent cleaning are separate line items unless bundled in your estimate. You’ll see every item priced in writing before we start.
Can you fix damaged ductwork as part of the same visit?
Yes. Air duct repair is a core service, not an afterthought. If our inspection finds disconnected, crushed, or leaking duct sections, we can repair them in the same engagement, which means you’re not paying for cleaning twice. Repair pricing typically runs $250 to $900 depending on the extent of the work.
Do you work with Aprilaire or Honeywell systems?
Yes. We’re familiar with Aprilaire and Honeywell integrated air-quality systems and can inspect the media cabinet, humidifier, and controls alongside the ductwork. If you have a whole-home filtration setup, we’ll factor that into the assessment rather than treating the ducts in isolation.
Getting Your Estimate
If you’re in North San Jose and want to know what your home actually needs, call (855) 506-8636. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. We’ll schedule an inspection, quote the job in writing, and let you decide from there. Elmwood Air Duct Cleaning has been serving the area since 2018, and we handle air duct cleaning, dryer vent cleaning, and air duct repair under one roof, using equipment that does the job properly. If you’d like to read more about what we do and how we approach it, start with Elmwood Air Duct Cleaning. You can also learn more about the neighborhood we work in on our North San Jose page.
Pricing reflects the North San Jose market as of 2026. Elmwood Air Duct Cleaning offers free estimates – call (855) 506-8636.
What Our Customers Say
"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."
- Lucia Delgado"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Javier Flores"No complaints. Job's been holding up fine."
- Steve Brooks