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.
Trusted Air Duct Cleaning for San Mateo Homeowners
If your vents are pushing out dust instead of taking it away, the problem usually sits inside the ductwork, not the furnace. San Mateo homes built in the mid-century ranch style that fills the flats often have original galvanized ducts with taped seams that have quietly failed, so every time the system cycles it pulls attic dust and garage air into the living room. We handle that with contractor-grade hardware: Rotobrush rotary brushes for the walls of the duct and Nikro HEPA negative-air units to capture what gets loosened so it never ends up on your furniture. Our technicians have up to 10 years of experience, every system is priced flat per job before work begins, and we can often schedule same-day visits. Call (866) 894-2153. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Air Duct Cleaning Services
Air Duct Cleaning Services in San Mateo cover the full interior of your supply and return system, from the register boots to the plenum, not just the visible grille. You need it when dust keeps settling on surfaces a day after you clean, when a room smells stale each time the fan kicks on, or when nobody has opened the system since the house changed hands. We run a Rotobrush rotary brush through each branch line, hold the debris under negative pressure with Nikro HEPA filtration, and photograph the duct interiors before and after so you can see what changed. Whole-home cleaning for a typical San Mateo house runs roughly $350 to $700 depending on the number of vents and how much the system has accumulated. The written estimate sets the final price.
What a Whole-System Clean Covers
Every supply run, every return, the plenum, and the register boots get mechanical agitation and vacuum capture. We pull the grilles and clean them separately so the fins don’t just push dust back into the airstream. Nothing is priced per vent, so adding a room to the job doesn’t turn into a surprise line item.
When a Single Zone Is Enough
Sometimes one wing of a house is the whole problem, especially after a remodel or a pest issue confined to one area. We can clean a defined set of runs rather than the entire system when the rest of the ductwork is sound. An inspection first tells us whether that’s honest or a shortcut.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
HVAC Duct Cleaning
HVAC Duct Cleaning focuses on the ductwork as part of the heating and cooling system itself, which means we look at how the air handler, the return chase and the branch lines work together rather than treating each run in isolation. It’s the right call when airflow is weak in the back bedrooms, when the system short-cycles, or when a filter change doesn’t seem to help. We clean without disturbing the equipment beyond what the job requires, and we flag anything that looks like a mechanical problem so you can bring in the right trade. Budget roughly $400 to $800 for a full HVAC duct cleaning in San Mateo, with larger or two-system homes landing at the top of that range. You’ll get a flat price per system before we start.
Return Chases and Plenum Work
The return side usually holds more debris than the supply side because it’s under negative pressure and pulls from open living space. We give the return chase and plenum the same brush-and-capture treatment as the branches. Sealed or pan-style returns get handled carefully so the framing isn’t stressed.
Airflow and Filter Interaction
A clogged duct and a cheap filter compound each other, and cleaning one without addressing the other wastes the visit. We note the filter size and type in the report and can point you toward Honeywell or Aprilaire filtration options if you want better capture. That’s a recommendation, not a sales pitch.
Vent Cleaning
Vent Cleaning is the work most people picture when they think of this trade: pulling each register cover, reaching into the boot, and clearing the last stretch of duct where dust settles hardest. It’s worth doing when the grilles are visibly dark, when a vent blows a puff of dust on startup, or when you’ve just moved into a San Mateo home and don’t know its history. We clean the boots and grilles mechanically, then capture the loosened material with HEPA equipment so it doesn’t drift back into the room. Expect roughly $250 to $500 for vent cleaning across a standard house, priced as one flat job rather than per opening. Your written estimate is the final word on cost.
Register Boots and Grille Cleaning
Grilles collect a film that a household vacuum can’t lift, and the boot behind them traps the same material plus construction grit. We pull each cover, clean it off the system, and brush the boot by hand before the vacuum takes over. It’s slow work, and it’s the difference between clean-looking and actually clean.
Why Per-Vent Pricing Misleads
A per-vent price rewards a crew for counting openings, not for doing the work behind them, and it invites a low teaser that grows once the technician is on site. We quote the system, not the openings. That keeps the number you hear on the phone close to the number on the invoice.
Ductwork Cleaning
Ductwork Cleaning goes after the structure itself, including the sections you can’t see, which matters when flex duct has sagged, when a run has been chewed or torn, or when years of debris have compacted against the duct walls. It’s the service to ask for when you’re dealing with a musty smell that returns after every cleaning attempt, or when a remodel left drywall dust throughout the system. We work with Abatement Technologies equipment when the contamination is heavier than routine dust, capturing material under containment instead of releasing it. Pricing for ductwork cleaning in San Mateo generally lands between $400 and $900 depending on condition and access. If we find damage along the way, we quote repair separately.
Flex Duct and Rigid Duct Handling
Flex duct needs lower brush pressure and careful support so the inner liner isn’t stretched or separated. Rigid galvanized duct tolerates more aggressive mechanical cleaning and responds well to rotary work. We adjust the tool and the approach to what the run is made of.
Containment on Heavily Soiled Systems
When the debris load is high, an open vacuum just spreads the problem through the house. Negative-air containment keeps the work area under pressure so particles travel to the filter, not the hallway. That’s standard practice in remediation work and it belongs in residential cleaning too.
Air Duct Inspection
Air Duct Inspection is a look inside the system before anyone commits to a cleaning, and it’s how you avoid paying for work your ducts don’t need. You want one when you’re buying a San Mateo house, when a previous cleaning didn’t fix the smell, or when a contractor has quoted a number without ever opening a register. We run a camera through the ductwork and show you the footage, including the areas that look fine. Inspections run roughly $150 to $300 and we apply a clear, honest assessment rather than a scripted recommendation. If cleaning isn’t warranted, we say so.
Camera Scoping and What We Look For
The camera shows us debris depth, liner condition, joint separation, and any sign of moisture or pest activity. Those findings decide whether the system needs cleaning, repair, or nothing at all. You see the same picture we do.
Findings You Should Know About
Disconnected joints and crushed runs are common in older ductwork and quietly waste a lot of conditioned air. When the camera finds them, we document the location and scope so a repair estimate is straightforward. That’s where our Air Duct Repair service picks up.
Residential Air Duct Cleaning
Residential Air Duct Cleaning is built around how a house actually breathes, which is different from a commercial space with a packaged unit and a plenum ceiling. It’s for homeowners dealing with allergy seasons that hit harder indoors than out, for property managers turning a unit between tenants, and for anyone whose system hasn’t been touched in years. We clean supply and return runs, protect flooring and furnishings, and photograph the ducts before and after so the result is documented rather than described. For a typical single-family home in San Mateo, plan on $350 to $700, with the flat price agreed before work starts.
Allergy and Indoor Air Quality Focus
If someone in the household reacts to dust, the ductwork is a reasonable place to look first, because it holds a reservoir that keeps feeding the air. Cleaning removes the reservoir; better filtration keeps it from rebuilding as fast. We can advise on Guardsman or Aprilaire filtration after the clean.
Move-In and Between-Tenant Cleans
A new home carries the previous occupant’s dust, pet dander and cooking residue in the ducts. A clean before you unpack is easier than one after. For rental turnovers, we document condition so the property manager has a record.
Commercial Air Duct Cleaning
Commercial Air Duct Cleaning covers offices, retail spaces, and small industrial units in San Mateo where ductwork serves a staff and a public, and where a dusty system shows up as complaints rather than a dirty vent cover. It’s needed when a tenant fit-out leaves construction debris in the runs, when a rooftop unit has been pulling in outside dirt for years, or when an inspection turns up contamination that routine filter changes won’t address. We schedule around your operating hours within our dispatch window and use Abatement Technologies containment so the work doesn’t shut down the floor. Commercial pricing depends on system size and access, quoted per job.
Scheduling Around Business Operations
Commercial work is planned, not improvised. We scope the system, agree the flat price, and sequence the cleaning so occupied areas stay usable. Access to ceiling panels and rooftop units is confirmed before the visit so nothing stalls on arrival.
Containment in Occupied Spaces
Negative-air containment matters more in a commercial setting because a release affects staff and customers, not just a family. We set up containment at the work zone and keep the extraction path sealed. The goal is a clean system and an uninterrupted business day.
Brands We Service
We work with Rotobrush and Nikro cleaning systems on every job, and we know how each behaves on different duct materials so the brush and the vacuum are matched to the run rather than used on autopilot. Rotobrush rotary equipment is the benchmark for mechanical cleaning because the brush contacts the duct wall; Nikro HEPA units hold the debris in containment so it leaves the house with us. On systems with heavier contamination, Abatement Technologies equipment gives us the containment standard used in professional remediation.
On the air-quality side, we’re familiar with Honeywell and Aprilaire filtration and humidity equipment, which lets us make an informed recommendation once the ducts are clean rather than guessing at what will fit your return. Guardsman products come up when a customer wants additional protection after the work is done. We’re not a dealer for any of these and we don’t claim partnerships, but whether you have Rotobrush-cleaned ductwork, a Honeywell filter cabinet, or any other make, we can help.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Dust returns within a day of cleaning. If surfaces are coated again almost immediately, the source is upstream in the ductwork, not on the furniture. A vacuum can’t reach it, and wiping harder won’t either.
- A stale or musty smell when the fan starts. Odor that arrives with airflow points to material sitting inside the system. It’s worth a camera inspection before you assume the cause.
- Visible debris blowing from a register. Puffs of dust or lint on startup mean the boot and the run behind it are loaded. Every cycle pushes a little more into the room.
- Uneven airflow between rooms. A weak room often has a crushed, disconnected, or blocked run rather than a failing furnace. Finding out which one saves you from paying for the wrong repair.
- Recent remodel or pest activity. Drywall dust and nesting material both settle in ducts and stay there. Cleaning after the work is finished keeps it out of the air you breathe.
Our Process, Step by Step
- 1
Walkthrough and camera inspection. We look at the system layout, count the runs, and run a camera through the ductwork so the quote reflects what’s actually there. You see the footage before anyone commits to a price.
- 2
Flat price agreed in writing. You get one price for the system, not a per-vent tally or a coupon that grows later. Nothing starts until you’ve approved the number.
- 3
Containment and negative air. We set up HEPA-filtered negative-air equipment at the work zone so dislodged debris travels into the filter. Floor protection goes down before any tool comes out.
- 4
Mechanical cleaning of every run. Rotary brush work through the supply and return lines, then the plenum and boots, with the vacuum running the whole time. Grilles come off and get cleaned separately.
- 5
Before-and-after documentation. We photograph the duct interiors and show you the comparison, then walk you through anything we found that needs repair. If a run is damaged, you get a separate quote rather than a surprise.
How Much Does Air Duct Cleaning Cost in San Mateo?
Air duct cleaning in San Mateo typically runs $350 to $700 for a whole-house system, and the number depends more on the condition of the ductwork than on square footage. A typical vent cleaning on a standard house runs $250 to $500. A full HVAC duct cleaning, including return chases and plenum, runs $400 to $800. Ductwork cleaning on a heavily soiled or contaminated system runs $400 to $900, and an inspection on its own runs $150 to $300. Commercial work is quoted per system based on size and access.
Several things move the price. The number of runs matters less than their condition; a small house with crushed flex duct takes longer than a larger one with clean rigid lines. Access is the other big factor. Ducts buried behind finished ceilings or in tight crawl spaces take more time than exposed runs in a garage. Heavy contamination, recent construction dust, or pest debris adds labor because containment has to be more rigorous.
The way to avoid overpaying is to get a camera inspection first and a flat per-system price in writing. A quote built on per-vent pricing is the one that grows, and a coupon price that converts to a large invoice once the technician is on site is the industry pattern worth walking away from. Ask what’s included: grilles, plenum, returns, and photo documentation should all be named.
Our free estimate covers the inspection, the walkthrough, and a written flat price per system. You’ll know what’s included before anything starts.
Our Service Area Near San Mateo
We work throughout San Mateo and the surrounding Peninsula, including Hillsborough, Burlingame, Millbrae, Foster City, Belmont, and Redwood City, plus the coastside communities of Montara and Moss Beach. Homes closer to the bay typically see us within the same day; coastside addresses are scheduled into the next available opening. If you’re in Montara or West Menlo Park and want to compare options, our air duct cleaning page covers the coastside, and the air duct cleaning page covers the West Menlo Park area. For the full picture of what we do, start with Duct Cleaning San Mateo.
Serving San Mateo, CA – Our Local Coverage Area
We serve San Mateo and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
Frequently Asked Questions About Air Duct Cleaning in San Mateo
Air duct cleaning is the mechanical removal of dust, debris, and buildup from the inside of your supply and return ductwork, plus the plenum and register boots. It’s not the same as changing a filter or wiping a grille; it requires equipment that reaches the duct walls and captures what’s loosened. We use air duct cleaning equipment built for that job, including rotary brushes and HEPA negative-air units. Call (866) 894-2153 for an exact quote; estimates are free.
A typical whole-house cleaning in San Mateo takes two to four hours, depending on the number of runs and how much access the ductwork allows. Homes with crushed flex duct or heavy contamination take longer because each run needs more careful handling. We give you a realistic time window when we book, not an optimistic one. Call (866) 894-2153 to schedule.
Most whole-house cleanings run $350 to $700, with vent cleaning at $250 to $500, HVAC duct cleaning at $400 to $800, and heavy ductwork cleaning at $400 to $900. The written estimate sets the final price, and it’s flat per system rather than per vent. We don’t quote teaser prices that change once the technician arrives. Call (866) 894-2153 for an exact quote; estimates are free.
Yes. Rotobrush rotary systems and Nikro HEPA negative-air units are the core of how we clean ductwork, and we match the tool to the duct material rather than running one setup everywhere. We also work with Abatement Technologies containment for heavier contamination. Whether your system was last cleaned with Rotobrush gear or never touched, we can help. Call (866) 894-2153 to talk it through.
Same-day visits are often available in San Mateo, depending on the schedule. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday; we’re closed Saturday. A call outside dispatch hours gets booked into the next opening. Call (866) 894-2153 and we’ll find you a slot.
We stand behind the cleaning with a satisfaction guarantee: if the documented result doesn’t match what we quoted, we make it right. Every job includes before-and-after photos of your own ducts, so the work is verifiable rather than something you have to take on faith. Ask about the specific terms when you get your written estimate. Call (866) 894-2153 for details.
Clear access to the registers and the air handler, and move anything breakable away from the work area. We put down floor protection, but a clear path saves time. If you know where the filter is, leave it in place; we’ll check it during the walkthrough. Call (866) 894-2153 if you’re unsure what to move.
Schedule Your Air Duct Cleaning Service in San Mateo Today
Dust that keeps coming back, a smell that arrives with the fan, or ductwork you’ve never had inspected are all reasons to get a real answer. We’ll scope the system, show you the camera footage, and give you a flat price per system in writing before anything starts. Call (866) 894-2153. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. The estimate is free, and there’s no obligation.
Written by the team at Duct Cleaning San Mateo.