Whole-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.
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AfterFast, Reliable Air Duct Repair Across Mountain View
Air duct repair in Mountain View typically runs $350 – $900 for a targeted fix like sealing a disconnected or crushed run, and $2,800 – $6,500 when a full duct replacement is the honest answer. We’re the crew homeowners call when an older Mountain View house starts smelling musty in one room, or when airflow drops off in the back bedrooms and nobody can figure out why. The truth is, most duct problems in this city trace back to the same root cause: a home built in the 1950s, 60s, or 70s that was never designed for forced air, with ductwork retrofitted decades later into places it barely fits. That’s exactly the kind of job we handle daily. Call us at (980) 447-2498 and we’ll walk you through what you’re seeing, no pressure and no jargon.
Why Linden Air Duct Cleaning Is Mountain View’s Preferred Air Duct Repair Company
Mountain View homeowners call us because we understand what’s actually inside their walls and attics. We’ve worked on ranch houses in Monta Loma with original 1960s sheet metal ducts, on Rex Manor homes where the return air was an afterthought, and on Cuernavaca Eichlers with retrofits that still surprise us. That local experience means we don’t waste your time diagnosing from a textbook.
Marcus Veale, our owner, holds every job to the Threshold Standard: background-checked, identity-verified technicians whose name and photo are sent to you before the visit. The tech who shows up at your door wears a photo ID badge and a clean uniform. Before any work begins, you get the price in writing. And every duct repair we perform in Mountain View comes with a written guarantee: 365 days, and if a covered repair fails, we come back at no charge. That’s the way it works here, on every single job.
Ductwork Repair in Mountain View
Ductwork Repair in Mountain View is usually a targeted job, not a whole-system overhaul. It covers disconnected sections, crushed flex runs, failed tape and mastic at seams, and holes poked through duct walls over decades of remodeling. In this city, the most common repair is reconnecting a supply run that has separated in a shallow flat attic, usually above a finished ceiling where nobody has looked since the home was retrofitted.
Sealing and Reconnecting Existing Runs
We start every repair with a camera inspection. In Cuernavaca and Monta Loma, we’ve seen supply runs pulled apart by gravity, rodents, or a careless cable installer. We reconnect the run with a properly sized flexible duct, seal the joint with mastic and mesh, and test airflow before we put anything back together.
Repairing Leaking Plenums and Returns
A leaking return in a Mountain View home pulls unconditioned air from the attic or crawlspace directly into your living space. That air carries whatever is up there – marine-layer moisture, dust, sometimes mold spores. We seal plenum seams and return joints with mastic, which stays flexible and holds far longer than tape on 60-year-old galvanized metal.
Duct Replacement in Mountain View
Duct Replacement in Mountain View becomes necessary when the existing ducts are too far gone to save: rusted through, collapsed, lined with mold, or so poorly designed that sealing individual leaks won’t restore balanced airflow. In Eichler retrofits especially, where ducts were forced into flat attics never meant to hold them, we sometimes find runs that are simply not repairable.
Replacing Crushed or Collapsed Runs
Flat roofs in Cuernavaca and Monta Loma leave almost no clearance above the ceiling. When a duct gets crushed – by a contractor, by a roof replacement, or by years of heat – the airflow to an entire room can drop to near zero. We replace that section with properly sized, code-compliant flex duct and route it so it won’t kink again.
Full-System Replacement for Hybrid Layouts
When an Eichler still runs radiant heat in the bedrooms and a separate forced-air system for the living areas, the ductwork only serves part of the house. That’s not a defect you can repair piecemeal. If the forced-air side is failing, we’ll scope the full replacement honestly and give you a flat price per system before any work begins. No per-vent pricing. No surprises.
Trusted Brands We Service in Mountain View
We work on whatever you have, but we stock parts for the systems we see most often in Mountain View: Rotobrush and Nikro for our own professional-grade cleaning and inspection equipment, and air-quality products from Honeywell, Aprilaire, Abatement Technologies, and Guardsman for the repair and sealing side. If your system needs a filter upgrade, a better seal, or a component replacement, we can usually get it done the same visit because we carry what mid-century Mountain View homes actually need. No waiting a week for a part to ship from the East Coast.
Common Air Duct Repair Problems We See in Mountain View Homes
- Disconnected flex runs in shallow flat attics. Eichler roofs were built for radiant heat, not ductwork. When central air was added, flex ducts got squeezed into a few inches of clearance and they pull apart over time. This is the single most common repair we do west of El Camino Real.
- Failing mastic and tape on original 1950s – 70s metal ducts. The original ductwork in Monta Loma and Rex Manor ranches is now 50 – 70 years old. The tape dries out, the mastic cracks, and air leaks into unconditioned spaces. That pulls marine-layer moisture into the system every summer evening.
- Hybrid radiant/forced-air layouts that leave rooms without airflow. Your bedrooms might be heated by the slab while only the living areas get forced air. Repairing the forced-air side won’t fix the damp, stuffy back room – you need someone who understands the entire hybrid system, not just the ducts they can see.
- Post-smoke contamination from wildfire events. The 2020 CZU Complex Fire pushed smoke across the valley floor, and Mountain View homes with leaky ducts pulled that particulate into the system. A cleaning alone helps, but if the ducts leak, smoke particles keep getting in. Sealing is the repair that makes the cleaning stick.
Pricing for Air Duct Repair in Mountain View, CA
Here’s the honest math for Mountain View. A targeted duct repair – say, reconnecting a separated flex run or sealing a leaking plenum – typically runs $350 to $900 depending on access. A full duct replacement in an Eichler retrofit, where runs are hard to reach and the system may only serve part of the home, runs $2,800 to $6,500. The spread depends on how much ductwork exists, whether the attic clearance makes the job a two-person contortion act, and how much sealing the home needs afterward. Every job gets a written price before work begins, and every repair carries our 365-day written guarantee. Call (980) 447-2498 for a free estimate – we’ll give you a number you can hold us to.
We Also Serve Cities Near Mountain View
Our crews work throughout the South Bay, including Air Duct Repair in Mountain View, Los Altos, Sunnyvale, Stanford, and Cupertino. If you’re a few blocks over the border, we’ll still come out – the same crew, the same written pricing, and the same 365-day guarantee. Call us and we’ll let you know if we cover your street.
Serving Mountain View, CA - Our Local Coverage Area
We’re based in the Mountain View 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 Repair in Mountain View
Because the ducts themselves are usually damaged. Eichler homes in Cuernavaca and Monta Loma were built with radiant floor heat and no forced air at all. When central HVAC was retrofitted decades later, flex ducts were jammed into flat attics with almost no clearance. Those runs get crushed, disconnected, and kinked. Cleaning a damaged duct is like mopping a floor with a hole in it – the real fix is the Air Duct Repair that restores airflow first. Call (980) 447-2498 and we’ll scope it with a camera before we quote anything.
Mountain View sits at the south end of the Bay, and summer evenings pull marine-layer moisture inland. That damp air gets drawn into leaky ducts and condenses on cool metal surfaces, which feeds mold and mildew. Sealing the ducts is the repair that prevents the moisture problem from coming back after a cleaning. We use mastic and mesh at every seam, not tape, because mastic stays flexible through the temperature swings we see between the valley floor and the Santa Cruz Mountains.
Expect us to start with a camera inspection of the flat attic, not a square-footage quote. In Cuernavaca, we worked on a 1962 Eichler retrofit where a 30-year-old air handler served the living areas while the radiant slab still handled the bedrooms – a setup that surprises out-of-area techs. Our crew found a crushed supply run, reconnected it with flexible duct, and sealed the plenum with mastic and mesh. After negative pressure and HEPA filtration, the airflow improved noticeably and the musty odor tied to the Bay’s marine-layer moisture was gone. That’s the standard process: find the real problem first, then price it.
Yes, and it’s often the missing piece. If your ducts leak, smoke particles from wildfire events keep getting pulled in from the attic or crawlspace no matter how many times you clean. Sealing the runs stops that pathway. After the CZU Complex Fire pushed smoke across Mountain View, we saw a spike in homeowners whose cleanings didn’t hold – because the real problem was leaky ducts letting smoke back in. Repair first, clean after, and the improvement sticks.
Yes. Every repair we do follows NADCA guidelines for duct sealing, replacement, and post-repair verification. That means negative-pressure extraction during cleaning, HEPA filtration, and a camera inspection before and after the repair so you can see exactly what was fixed. We don’t ask you to take our word for it – we show you the footage. Call (980) 447-2498 for a free estimate and we’ll walk you through what to expect on your specific home.
What Makes Mountain View Duct Repair Different
Here’s the thing nobody tells you about Mountain View’s housing stock: the dominant homes – 1950s to 1970s ranch and Eichler-style builds in Cuernavaca, Monta Loma, and Rex Manor – were originally built for the aerospace workforce at Lockheed and NASA Ames. Most were constructed without central air. Ductwork was added retroactively into already-finished spaces, producing irregular layouts and inaccessible duct sections that accumulate debris over decades.
In Cuernavaca and Monta Loma specifically, many Eichler retrofits run a hybrid system: the original radiant slab still heats some rooms while a later add-on air handler serves others. That means duct repair can’t be scoped by square footage alone. It also creates hidden, undersized duct runs crammed into shallow flat attics. This is why we start every repair call with a camera inspection to find disconnected or crushed runs before pricing the sealing work. An out-of-town company quoting over the phone will underprice that job every time – and then either walk away or pad the invoice once they’re up in the attic. We’d rather show you the problem on camera first, then give you a written number that covers the actual repair.
Call us at (980) 447-2498 for a free, no-obligation estimate. A real person answers, 24/7. You’ll know exactly who’s coming to your door – name and photo sent before the visit – and exactly what the job will cost before any work starts. Written price, written guarantee, 365 days. That’s how we work in Mountain View.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning.