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 San Mateo?
Air quality and sanitizing work in San Mateo typically runs $350 to $850 for a standard home, with duct cleaning and a sanitizing treatment forming the core of most jobs. A single-service visit such as dryer vent cleaning lands lower, around $120 to $250, while a full package that includes duct cleaning, sanitizing fog, and a filtration upgrade can reach $900 to $1,800. Every price is set per job by a written estimate, and the estimate is free.
We’re Duct Cleaning San Mateo, and indoor air is the only thing we work on. That focus matters when you’re comparing quotes, because the equipment behind the number is what actually determines whether your ducts come clean or just get stirred up. Call (866) 894-2153 and we’ll talk through your home, your system, and what a realistic range looks like before anyone sets foot inside.
Air Quality & Sanitizing Cost Breakdown (2026)
Here’s how the work breaks down by line item for a typical San Mateo home. Ranges below are estimates for planning; the written estimate you receive is the final word on price.
| Service | Typical Range (2026) |
|---|---|
| Air duct cleaning (whole home, standard layout) | $350 – $700 |
| Air duct cleaning (larger home or multiple systems) | $700 – $1,100 |
| Dryer vent cleaning (single run) | $120 – $250 |
| Dryer vent cleaning (long or complex run) | $250 – $400 |
| Sanitizing fog treatment (added to a cleaning) | $75 – $200 |
| HEPA negative-air containment (contaminated systems) | $150 – $350 add-on |
| Air duct repair (sealing leaks, reconnecting runs) | $250 – $900, depending on access |
| Filtration upgrade (Honeywell or Aprilaire media cabinet) | $300 – $750 installed |
| Full package: cleaning, sanitizing, filtration | $900 – $1,800 |
What pushes a job toward the top of a range? Square footage is the first factor, but not the only one. Homes with two separate systems cost more because there are two full networks to clean. Long duct runs, flex duct that’s been crushed or poorly routed, and systems that haven’t been opened in years all add labor. So does access: a crawlspace or a tight attic makes every connection slower. On the repair side, the range depends entirely on what we find, which is why we don’t quote repair over the phone without seeing it.
The other variable is contamination level. A home with normal dust buildup needs a straightforward clean. A system that’s had moisture intrusion, pest activity, or visible debris loading needs containment before cleaning starts, and that’s where our Abatement Technologies equipment comes in. It’s the same grade of gear used in professional contaminant remediation, and it changes the price because it changes the process.
What Affects Air Quality & Sanitizing Pricing in San Mateo
- Home size and system count. A single-story home with one furnace is a different job than a two-story with separate upstairs and downstairs systems. Each system is its own cleaning job with its own supply and return network.
- Duct material and condition. Sheet metal cleans predictably. Flex duct that’s sagging, kinked, or partially disconnected takes longer and may need repair before cleaning is worth doing. We carry Air Duct Repair as a standalone service precisely because cleaning a leaking system just moves dust around.
- Contamination level. Visible debris, musty odor, or evidence of moisture means we set up HEPA-filtered negative-air containment using Nikro equipment before we touch anything. That captures dislodged debris instead of redistributing it through the house.
- Access. San Mateo has a wide mix of housing stock, from older single-story homes with crawlspaces to newer multi-level construction with tight mechanical closets. Access drives labor time more than anything else on the list.
- Sanitizing treatment. A fog treatment is priced by treated volume and how many systems are involved. It’s an add-on to a cleaning, not a substitute for one; sanitizing a duct full of dust doesn’t accomplish much.
- Filtration and humidity add-ons. If your system can take a media cabinet or a better filter setup, that’s a separate line item. We work with Honeywell and Aprilaire components, and we’ll tell you honestly whether your existing cabinet can accommodate an upgrade or whether it needs replacing.
One local note worth flagging: San Mateo homes sit in a mild climate where the heating system runs less than in colder parts of the country, and the cooling side runs less than inland. That gentler duty cycle often means ductwork ages slowly and quietly. It also means problems can sit unnoticed for years, because nothing forces you to look at the system. If you’ve never had the ducts inspected and the house is more than a couple of decades old, the cleaning itself may turn up disconnected joints or crushed runs nobody knew about.
How to Save on Air Quality & Sanitizing
The biggest lever on price is bundling related work into one visit. If your ducts need cleaning and your dryer vent is overdue, doing both in a single dispatch saves the setup time on each. Pairing sanitizing with a cleaning is far less expensive than booking it separately, since the containment and equipment are already in place.
A few more practical ways to keep the number down:
- Get the repair quoted with the cleaning. If we find a disconnected run during cleaning, fixing it in the same visit costs less than scheduling a return trip. Ask upfront whether repair is included in the scope or priced separately.
- Know your system count before you call. Walking around the house and confirming how many furnaces or air handlers you have takes two minutes and gets you a more accurate estimate on the first call.
- Clear access ahead of time. Moving stored boxes away from the mechanical closet and attic hatch shortens the job. That’s real labor time.
- Skip the sanitizing if the ducts are clean. We’ll tell you when a fog treatment isn’t warranted. It’s an add-on for contamination, odor, or post-remediation work, not a routine upsell.
- Compare equipment, not just price. A quote far below the ranges above usually reflects a portable vacuum setup rather than a rotary brush system and HEPA containment. Ask what equipment the crew brings. Our technicians use Rotobrush rotary brush systems and Nikro HEPA-filtered units, and our technicians have up to 10 years of experience running them.
Estimates are free, and we’d rather give you an honest range than a low number that grows once we’re inside. Call (866) 894-2153. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
FAQs – Air Quality & Sanitizing Cost
How much does air duct cleaning cost in San Mateo?
Whole-home air duct cleaning in San Mateo typically costs $350 to $700 for a standard single-system home, and $700 to $1,100 for larger homes or homes with two systems. Condition, access, and contamination level move the number within those ranges. Call (866) 894-2153 for an exact quote – estimates are free.
Is duct sanitizing worth the added cost?
Sanitizing typically adds $75 to $200 to a cleaning, and it’s worth it when there’s odor, moisture history, or contamination. If your ducts are simply dusty, cleaning alone does the job and we’ll say so. Call (866) 894-2153 and we’ll tell you which applies to your home.
How much does dryer vent cleaning cost in San Mateo?
Dryer vent cleaning runs $120 to $250 for a standard single run, and $250 to $400 for long or complex routing. This is fire-safety work, not cosmetic maintenance: lint accumulation in the vent is a leading cause of residential fires. Call (866) 894-2153 to get it scheduled.
Is it cheaper to repair ductwork or replace it?
Repair is almost always cheaper. Sealing leaks and reconnecting runs typically costs $250 to $900 depending on access, while full duct replacement is a far larger project. Most damaged sections we find can be repaired rather than replaced. Call (866) 894-2153 for a free estimate on the repair.
Can you come today?
Same-day service is often available, and pricing doesn’t change based on when we come out. A standard cleaning visit lands in the $350 to $700 range regardless. Call (866) 894-2153. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why the Equipment Behind the Price Matters
Two quotes for the same house can differ by hundreds of dollars, and the difference is usually the rig in the van. A portable shop-vac style vacuum pulls some surface dust and leaves the rest. A rotary brush system physically contacts the duct walls, and HEPA-filtered negative-air equipment holds the debris that gets loosened so it leaves the house instead of settling into your living room.
That’s the setup we bring. Rotobrush rotary cleaning for the mechanical work, Nikro HEPA containment for capture, and Abatement Technologies gear when a system is contaminated enough to need remediation-grade handling. It’s contractor-grade equipment at residential pricing, and it’s why we can quote a realistic range instead of a teaser number.
We also fix what we find. Cleaning-only companies hit a disconnected joint, note it, and leave. We carry Air Duct Repair as its own service, so a leaking or crushed run gets corrected in the same visit rather than becoming a problem you chase for another year. And if the cleaning reveals that better filtration would help going forward, we know the Honeywell and Aprilaire product lines well enough to recommend something that fits your existing system rather than something that requires a rebuild.
If you’re comparing options across the area, our duct cleaning in San Mateo page covers the full scope of what a visit involves, and the San Mateo service page lays out the local details. Both are worth a look before you book anyone.
Getting an Accurate Estimate for Your Home
The ranges on this page are a planning tool. Your actual price comes from a written estimate based on your system count, duct condition, access, and whether repair or sanitizing is needed. That estimate costs nothing and takes very little of your time to arrange.
When you call, have a rough idea of your square footage and how many heating or cooling systems the house has. That’s usually enough for us to give you a range on the spot and confirm it in writing. If something unusual comes up during the visit, we’ll tell you before doing the work, not after.
Call (866) 894-2153 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. We’re closed Saturday.
Pricing reflects the San Mateo market as of 2026. Duct Cleaning San Mateo offers free estimates – call (866) 894-2153.
Written by the team at Duct Cleaning San Mateo.
What Our Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Claudia Hernandez"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Bryce Novak"Did the dryer vent while they were here for a small add on price. The dryer now finishes a load in one cycle instead of two."
- Miguel Garcia