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.
Air Duct Cleaning Company in Alviso, CA
Air Duct Repair in Alviso means working on duct systems that have lived their whole lives in salt air, damp crawl spaces, and some of the oldest housing stock in the South Bay. Small cottages from the early 1900s sit alongside 1980s tract homes, and the ducts in both fight the same enemy: moisture coming up from the former tidelands. We run Rotobrush and Nikro systems, and we fix what we find, so a cleaning call often becomes a repair call before the day is done. Call (877) 824-3121 when you want a straight answer about your ducts.
Why Alviso Homes Are Different
Alviso sits on bayfront land that used to be salt marsh, and the ground still remembers it. Morning fog rolls in off the bay even during summer, keeping crawl spaces and subfloor plenums damp long after the rest of the South Bay has baked dry. For ductwork, that means rust on metal collars, soggy flex duct, and musty smells that return a few months after a basic cleaning. Homes near the Alviso Marina and the historic downtown blocks often have pier-and-post foundations with ducts running through unsealed crawl spaces, where ground moisture has a direct path into the air system. Raised foundations are common here, and with older single-story cottages, we routinely find short, oddly routed duct runs that were never designed with access in mind. A house in Sunnyvale might need dust removal. An Alviso house needs moisture management first, then cleaning, then usually some form of sealing or repair.
The age spread matters too. Early-1900s bungalows have galvanized steel ducts that have been patched over and over. The 1980s and 1990s tract homes and townhomes have flex duct that collapses or tears when the salt air finally gets to the connections. Neither system behaves like the clean sheet metal you find in newer construction farther south. Technicians who know Alviso don’t show up expecting an easy job. We show up expecting damp, salt-tinged dust, and a duct system that needs more than a vacuum.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Alviso Services
Two services get the most calls from Alviso homeowners: cleaning the ducts and clearing the dryer vent. Both have their own detailed pages, linked below.
Air Duct Cleaning in Alviso
Duct cleaning here starts with understanding where the moisture is coming from. We clean supply and return runs, remove salt-laden dust and debris, and inspect every section we can reach for rust, sagging flex, or failed tape. In Alviso’s older homes, we often find decades of buildup that has never been touched. We use Rotobrush and Nikro equipment designed for this work, and we document what we see. Full details are on the Air Duct Cleaning in Alviso page.
Dryer Vent Cleaning in Alviso
A clogged dryer vent is a fire risk anywhere, but in Alviso the added humidity makes lint stick to the duct walls faster. Short, crooked vent runs in older cottages trap lint quickly. Our dryer vent service is a standalone job, not a bolt-on afterthought, because we treat it as the safety issue it is. We clear the full run from dryer to exterior cap, check airflow, and flag any damaged sections. See the Dryer Vent Cleaning in Alviso page for specifics.
Air Duct Repair in Alviso
In Alviso, air duct repair usually means fixing damage caused by moisture, age, or both. Homes built on former tidelands have crawl spaces that stay damp, and ductwork in those environments corrodes, separates, or collapses far sooner than it would in the dry inland valleys. We see it often enough that we carry the tools and materials on the truck to handle most repairs the same day. That’s the distinct advantage of working with a company that does Air Duct Repair as a core service, not a side job. When our Rotobrush inspection camera finds a torn flex run, a disconnected boot, or a rusted-out return, we can usually cut out the bad section and replace it before we leave.
Ductwork Repair
Signs you need it
Rooms that never reach the thermostat set point, visible gaps or hanging duct under the house, and a musty smell that comes back within weeks of cleaning all point to ductwork that needs repair.
What it costs in Alviso
Most ductwork repair jobs in Alviso land between $285 and $590, depending on how many sections are compromised and whether they’re accessible from the crawl space or buried in a finished ceiling.
How we do it
We locate the leak or separation with an inspection camera, cut out the damaged section, install a new galvanized or flex section as the system requires, seal the joints with mastic, and test airflow before closing up.
Air Duct Replacement
Signs you need it
When more than a third of the duct run is rusted, crushed, mold-damaged, or repeatedly repaired, replacing the full run costs less than patching it again.
What it costs in Alviso
Partial duct replacement in Alviso generally runs from $450 to $1,150 for a single supply or return line, while whole-system replacement varies too widely by home size to quote without seeing the job.
How we do it
We map the existing layout, remove the failed duct, size the replacement to match the HVAC blower, install new sealed ductwork with proper supports, and verify airflow at each register.
HVAC Duct Installation
Signs you need it
New additions, converted garages, or an air handler moved during a remodel often need new duct runs installed to reach the new space properly.
What it costs in Alviso
Installing new HVAC duct runs in Alviso typically costs $850 to $1,700 per run when the work is accessible through a basement, crawl space, or attic.
How we do it
We calculate the CFM the room needs, size the duct accordingly, run it along the shortest practical path, seal and insulate at every connection, and balance the system so the new room doesn’t rob airflow from the rest of the house.
What Air Duct Repair Costs in Alviso
| Item | Typical range in Alviso |
|---|---|
| Ductwork repair (single section) | $285 – $590 |
| Air duct replacement (single run) | $450 – $1,150 |
| HVAC duct installation (new run) | $850 – $1,700 |
Can you fix a duct problem the same day you find it?
Most isolated repairs finish the same day. We keep standard duct sizes, flex sections, mastic, and connectors on the truck for exactly that reason. Whole-system replacement or runs buried in finished ceilings may need a second visit.
Why do ducts in Alviso fail more often than inland?
Persistent ground moisture and salt air corrode metal collars and degrade flex duct connections faster than dry inland conditions. Homes on raised foundations near the bay expose ductwork to damp crawl-space air year-round, which accelerates failures.
Brands We Service in Alviso
We work on duct systems connected to Honeywell and Aprilaire air quality equipment, and we carry Abatement Technologies replacement parts for jobs where whole-system filtration is already in place. If we diagnose a failed component during a service call, we can usually have the correct part in hand within a few days. Duct Cleaning Union City has served Alviso since 2015.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Alviso, CA
| Service | Typical range in Alviso |
|---|---|
| Air duct cleaning (whole system) | $395 – $645 |
| Air duct cleaning (condo or small home) | $295 – $425 |
| Dryer vent cleaning | $105 – $210 |
| Ductwork repair (single section) | $285 – $590 |
| Air duct replacement (single run) | $450 – $1,150 |
| HVAC duct installation (new run) | $850 – $1,700 |
| Duct sealing | $145 – $360 |
| Crawl space vapor barrier (add-on) | $415 – $890 |
Two things push price up in Alviso more than anywhere else we work. First, crawl-space access: some older homes near the bay have tight, damp crawl spaces under low raised foundations, which slows the work and adds time. Second, salt-corrosion damage: when duct sections need to be replaced rather than just cleaned, the job expands. We agree on one flat price per system before any work starts, and we don’t change it halfway through.
Neighborhoods We Serve in Alviso
We cover the entire 95002 ZIP code, from the historic blocks near the Alviso Marina to the townhome developments off Gold Street and Liberty Street. The area is compact enough that we’re typically on site within two business days of a call, and often sooner.
- Alviso Marina district
- Historic downtown Alviso
- Gold Street area
- Liberty Street townhomes
- North First Street corridor
Service Area – Cities Near Alviso
When Alviso homeowners ask us to take care of a relative’s house nearby, or a property manager needs coverage for units outside the bayfront, we service the neighboring communities as well. We run the same Rotobrush and Nikro equipment in Sunnyvale, CA, Santa Clara, CA, East Palo Alto, CA, and Stanford, CA. Same pricing model, same upfront flat quote, same equipment.
Serving Alviso, CA – Our Local Coverage Area
We’re based in the Alviso 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 Air Duct Cleaning Company in Alviso
We work in Alviso regularly. Duct Cleaning Union City has served Alviso since 2015, and we know the specific housing stock and the crawl-space conditions in the 95002 ZIP code. This isn’t a doorway listing; it’s a town we’re in every month.
Routine duct cleaning, vent clearing, and most duct repair work does not require a city permit because it doesn’t change the building envelope. If a full HVAC replacement changes the scope of the permit, the HVAC contractor who pulls that permit coordinates with our duct work. We’ll tell you plainly if your job touches anything that needs city review.
Typical scheduling for Alviso jobs runs inside of a week, and many calls get a visit within two business days. We don’t charge for estimates, and we quote one flat price per system before work begins so you know the number before we open a single access panel.
Call (877) 824-3121 for a free estimate on air duct repair in Alviso. We’ll ask about your house, your crawl space, and what you’ve been smelling, then we’ll give you an honest answer.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Alviso Customers Say
"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."
- Miguel Garcia"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Rohan Singh"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."
- Destiny Freeman