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 deals with a very specific set of problems. Homes in this low-lying historic district, especially those from the early-to-mid 1900s, often run duct systems that have spent decades pulling in damp, salt-laden bay air. That moisture settles in galvanized sheet-metal runs, eats at joints and seams, and leaves homeowners with rusted registers, musty airflow, and ducts that simply don’t seal anymore. We’re a focused air-duct specialist, and that means the bulk of our Alviso repair work is dealing with corrosion, disconnected sections, and systems original to mid-century construction. Call (877) 358-5491 for a free repair assessment.
Why Alviso Homes Are Different
Alviso sits at the southern tip of San Francisco Bay, surrounded by salt ponds and marshland, and the air here behaves differently than it does even a few miles inland in North San José. The morning marine layer lingers longer, winters are damp, and the breeze carries airborne salt and moisture into crawl spaces, registers, and duct interiors. That means duct systems in Alviso stay wetter longer, which feeds dust-mite and microbial growth far more aggressively than in the drier inland South Bay.
The housing stock compounds it. Alviso is a small historic settlement with a mix of older single-family homes dating to the early-to-mid 1900s, alongside newer infill and some waterfront development. The older homes often still have their original galvanized sheet-metal duct runs. The newer construction tends to use flex duct retrofitted into existing chases. Both have failure points, but they’re different failure points. Homes nearest the salt ponds and sloughs show rust and musty odor in older metal ductwork and registers from decades of damp bay air, a pattern we don’t see a few miles south or inland. When we clean or repair ducts in the 95002 ZIP, the first thing we’re looking for is moisture damage, not just dust buildup.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Alviso Services
Alviso homeowners call us for two things more than anything else: getting the duct system clean, and making sure the dryer vent is actually moving air outside the house. Both are shaped by the bay-marsh environment here.
Air Duct Cleaning in Alviso
Air duct cleaning in this climate is less about dusting off the ducts and more about removing what the humidity has grown and accumulated inside them. In Alviso, the persistent morning marine layer and damp winter air keep duct interiors and crawl spaces prone to condensation. For homes near the salt ponds, that means grime, mold spores, and salt residue get pulled into the system. We run Rotobrush and Nikro equipment, the same professional systems used by indoor-air-quality contractors, not consumer-grade vacuums. Read more about the full cleaning process on our Air Duct Cleaning in Alviso page.

Dryer Vent Cleaning in Alviso
Dryer vent cleaning is a safety service, and a lot of duct cleaners won’t touch it. Lint builds up in the vent line, the airflow drops, and that lint is combustible. In Alviso’s older homes, vents are often original rigid metal or flexible foil runs that have been in place for decades, and the bay’s humid air makes that lint clump and stick rather than blow through. We clear the full run, check the termination at the exterior wall, and verify proper airflow. It’s covered in detail on our Dryer Vent Cleaning in Alviso page.

Air Duct Repair in Alviso
Air duct repair in Alviso is most often about age and moisture. Original galvanized duct runs from mid-century homes get pinhole rust leaks along the seams, sections of flex duct collapse after years of damp crawl-space air, and joints loosen so the system is pulling in whatever is under the house instead of return air from the living space. We repair, replace, and re-seal those runs so the air from your furnace or air handler actually reaches the rooms it’s meant to. For a broader look at our repair scope, see our Air Duct Repair service hub.
Ductwork Repair
Signs you need it
Rooms that never reach temperature, a musty smell when the blower kicks on, or visible rust lines along exposed duct seams in the garage or crawl space.
What it costs in Alviso
Targeted ductwork repairs in Alviso typically run $450 – $780 per damaged section or joint, depending on access.
How we do it
We locate the failing section under positive pressure, remove it, patch or re-sleeve the run with matching material, and re-seal every seam with code-compliant mastic.
HVAC Duct Installation
Signs you need it
A remodel added square footage but never extended the ducting, or an older system has flex duct so deteriorated and collapsed that patching is no longer worth it.
What it costs in Alviso
New HVAC duct installation in Alviso averages $2,800 – $5,500 per full system, with partial runs or single-room additions priced between $700 and $1,500.
How we do it
We size the new duct to the existing plenum and air handler, run the supply and return lines through the attic or crawl space, and hard-seal every connection with mastic before testing airflow.
What Air Duct Repair Costs in Alviso
| Item | Typical range in Alviso |
|---|---|
| Ductwork Repair | $450 – $780 per section |
| HVAC Duct Installation | $2,800 – $5,500 per system |
| Partial Duct Run or Single Room | $700 – $1,500 |
Can you repair ductwork without replacing the whole system?
Yes. In most Alviso homes we repair the damaged sections and leave the sound ductwork alone. Full replacement is only recommended when corrosion is widespread.
Why do Alviso ducts rust faster than other parts of San José?
Salt and moisture in the bay-marsh air settle on exposed metal duct surfaces, and the damp crawl spaces common in 95002 keep them wet for months at a time. Call (877) 358-5491 and we’ll inspect yours.
Brands We Service in Alviso
Our Alviso jobs regularly involve Honeywell and Aprilaire filtration units that are integrated into the duct system, plus Abatement Technologies equipment for serious contamination control. We keep matching parts and filters for all three on hand. For details on the full lineup, visit our brands page.
See the difference
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After
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AfterPricing for Air Duct Cleaning Company in Alviso, CA
| Service | Typical range in Alviso |
|---|---|
| Ductwork Repair | $450 – $780 per section |
| HVAC Duct Installation | $2,800 – $5,500 per system |
| Partial Duct Run or Single Room | $700 – $1,500 |
In Alviso, the biggest price mover is access. Crawl-space ductwork in the older homes near the salt ponds is tight, damp, and often layered with decades of home systems running through the same chases, which adds labor time. The other variable is the condition of the metal itself: heavily rusted or corroded sections usually need full replacement rather than a repair, and that’s the difference between a $450 patch and a full-run installation. You get one flat price per system agreed before any work starts. No per-vent pricing, no surprise invoices.
Neighborhoods We Serve in Alviso
We work throughout the 95002 ZIP in Alviso, from the historic district streets near the marina down through the quieter blocks that edge the salt ponds and sloughs. Alviso is compact, so most jobs are within a short drive of our Milpitas shop, which means we can usually schedule the assessment and the service itself within the same week.
- Alviso Marina area
- Historic Alviso core
- North Alviso near the sloughs
- Salt-pond edge streets
- Infill developments along Gold Street
Service Area – Cities Near Alviso
Duct Cleaning Milpitas serves Alviso and the neighboring communities across the South Bay. Many of our Alviso calls come from homeowners who had a good experience on a job in Milpitas, CA, a few minutes away, or from property managers handling rentals in Berryessa, CA and Downtown San Jose, CA. We also regularly take on duct repair projects in Los Altos, CA, where older HVAC systems often need the same corrosion work we handle in Alviso.
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 come to Alviso. Our crews service the entire 95002 ZIP code, and all work is completed on-site at your home, from the initial inspection through the final repair.
Most single-family homes in Alviso aren’t governed by an HOA that restricts duct service, and duct repair does not require a city permit. If you’re in a waterfront development with CC&Rs, we’ll work with what your association requires.
How far in advance should I schedule in Alviso?
For standard repair or cleaning, we schedule within a week in Alviso. If you’re managing a tenant move-out or a home sale, call (877) 358-5491 two weeks out and we’ll reserve a slot.
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
"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."
- Arjun Reddy"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."
- Greg Delaney"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Jasmine Freeman