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 Palo Alto
Air duct repair in Palo Alto typically runs $350 – $2,800 depending on whether we’re sealing a separated joint, re-hanging a sagged flex run, or replacing a full section of damaged duct. Most repair jobs in Palo Alto are completed the same day we arrive, though full replacement work can take a second day. If you’ve got air blowing into your attic instead of your bedrooms, or rooms that never hold temperature, call us at (980) 447-2498 and we’ll send a technician who knows exactly what to look for in Palo Alto homes.
Our Air Duct Repair team works throughout Palo Alto every week, and we’ve learned the hard way that this city’s housing stock fails differently than anywhere else in the Bay Area. More on that below. What matters right now is this: the fix is usually less expensive than homeowners fear, and ignoring a disconnected duct means paying to condition an attic nobody lives in.
Why Linden Air Duct Cleaning Is Palo Alto’s Preferred Air Duct Repair Company
We’ve been serving homeowners since 2004 through the Threshold Group family, and our Palo Alto customers keep calling us back for one reason: we show up with a written price before any work begins, and every repair carries a written guarantee with a free second visit if the repair fails. That’s the 365-Day Done Right Promise, and it’s not a marketing line. It’s in writing on every job.
When you call, a live person answers, 24 hours a day, seven days a week. No voicemail loops, no callback queues. Before our technician arrives at your Palo Alto home, you’ll get their name and photo by text or email. At the door, they’ll show a photo ID badge. Every technician is background-checked and identity-verified under the Threshold Standard. We know letting a stranger into your house is a real decision, and we don’t treat it lightly.
Palo Alto homeowners also tell us they appreciate that we don’t push unnecessary work. When we find a sagging 1990s flex run in a Barron Park Eichler attic, we say so and quote the repair. When the ducts are fine and cleaning is all that’s needed, we say that too.
HVAC Duct Installation in Palo Alto
HVAC Duct Installation in Palo Alto usually means one of two things: running new ductwork in a home that never had it, or replacing a failed retrofit system in a home that was never designed for forced air. Most jobs fall into the second category, and Palo Alto has more of them than nearly anywhere else in the region. We install new supply and return runs, size them properly for the square footage, seal every joint, and test airflow at each register before we leave.
New installation work in Palo Alto typically costs $2,500 – $9,000 depending on linear footage, attic access, and whether we’re working around existing framing. We use professional-grade equipment from Nikro and source materials from trade-trusted suppliers, not big-box retail. Every installation receives a written price before work starts, and every job is covered by our written guarantee.
Retrofit Duct Design for Eichler Homes
Eichler homes in Barron Park and Fairmeadow were built with radiant heat and no ductwork, which means every retrofit has to be threaded through a post-and-beam attic never meant to hold runs. We plan those layouts carefully: shorter runs, proper support intervals, and sealed joints at every connection. The difference between a good Eichler retrofit and a bad one is whether the back bedrooms actually receive air.
Sealing and Testing After Installation
After any installation, we check static pressure, verify airflow at each register, and seal every seam with mastic, not tape. Tape dries out and fails. Mastic stays flexible. We also check return sizing, because undersized returns are a common reason Palo Alto systems underperform even when the supply side is new.
Air Duct Replacement in Palo Alto
Air Duct Replacement in Palo Alto is the right call when ductwork is crushed, torn, or so contaminated that cleaning can’t restore it. In older Palo Alto homes, especially pre-war Craftsman and Colonial Revival houses in Old Palo Alto and Professorville, original galvanized ducts can be rusted through or separated at unsealed seams that leak 20 – 30% of conditioned air before it reaches a single room.
Full or partial replacement in Palo Alto typically runs $1,800 – $7,500. The range depends on whether we’re replacing a single run or the full system, how much of the attic is accessible, and whether asbestos wrap is present on older metal ducts. If asbestos is found, it’s handled by a licensed abatement specialist, never by our crew. We use products from Aprilaire and Abatement Technologies where air quality upgrades are part of the job, and we always recommend replacement only when repair genuinely won’t hold.
Replacing 1990s Flex Duct in Eichler Attics
In Fairmeadow and Barron Park Eichlers, the original retrofits from the 1990s used flexible duct that’s now 25 – 30 years old. The plastic liner degrades, the wire coil loses tension, and gravity does the rest. Sections sag, joints separate, and the system stops delivering air. Replacing those runs with properly supported flex duct, or rigid metal where the attic allows, is the single most common repair we perform in Palo Alto.
Galvanized Duct Sealing and Restoration
Not every old duct needs replacement. In Professorville, we’ve restored original galvanized systems by cleaning them under negative pressure, repairing separated sections, and sealing every joint with mastic. When the metal is still solid, that’s often all it takes. When rust has eaten through, replacement is the only honest answer.
Trusted Brands We Service in Palo Alto
Our technicians work on duct systems tied to every major HVAC brand found in Palo Alto homes, and we keep common replacement parts and fittings stocked on our service vehicles so most repairs don’t require a second visit. We use Nikro equipment for source removal and camera inspection, and we specify Honeywell and Aprilaire products where filtration or air quality upgrades make sense in a Palo Alto return system. If your furnace or air handler is a Carrier, Trane, Lennox, Rheem, or Goodman, our repair work integrates with it directly. We don’t sell replacement HVAC equipment, so there’s no incentive to recommend a new unit when a duct repair or sealing job is what your system actually needs.
Common Air Duct Repair Problems We See in Palo Alto Homes
- Separated flex duct joints in Eichler retrofits. In Barron Park and Fairmeadow, 1990s-era flex runs sag after decades in hot attics and pull apart at the couplings. The system keeps blowing, but the air goes into the attic instead of the bedrooms. You’ll notice rooms that never hold temperature and a sharp jump in monthly bills.
- Leaking unsealed seams in pre-war ductwork. Old Palo Alto and Professorville homes built before 1950 often have original or early-generation metal ducts with seams that were never sealed. They leak conditioned air into crawl spaces and wall cavities. Sealing those seams with mastic usually fixes the comfort problem without replacement.
- Wildfire smoke and pollen loading in returns. Palo Alto sits in the Bay Area’s wildfire smoke corridor, and events like the 2018 Camp Fire drove fine PM2.5 ash into HVAC systems across the city. Combined with spring oak, grass, and eucalyptus pollen, that particulate loads up return ducts and register boots fast. A return that’s fouled this way forces the whole system to work harder and filters to clog faster.
- Crushed or disconnected runs in tight post-and-beam attics. Eichler attics weren’t built for ductwork, and the runs squeezed through them get stepped on, pinched, and pulled loose. A camera inspection usually finds at least one section that’s blown apart or crushed flat. This is a Palo Alto-specific failure mode we see weekly.
Pricing for Air Duct Repair in Palo Alto, CA
Here’s what you can expect to pay for air duct repair in Palo Alto, based on the work we actually perform in this city:
- Sealing separated or leaking duct joints: $350 – $900.
- Re-hanging and supporting sagged flex runs: $450 – $1,200.
- Replacing a single damaged flex run in an Eichler attic: $800 – $2,200.
- Full-system duct replacement (smaller Eichler): $3,500 – $6,500.
- Full-system duct replacement (large pre-war home): $5,000 – $9,000+.
The biggest cost drivers in Palo Alto are attic access, the length of the damaged run, and whether asbestos or other hazards are present on old materials. We give you a written price before any work begins, every time, no exceptions. Call (980) 447-2498 for a free estimate.
We Also Serve Cities Near Palo Alto
Our crews cover the entire mid-Peninsula, including Stanford, Menlo Park, Atherton, and Los Altos. If you’re in any of those areas and dealing with duct problems similar to what we see across Palo Alto, the same pricing, the same written guarantee, and the same verified technicians apply. Same live answer when you call, too.
Serving Palo Alto, CA - Our Local Coverage Area
We’re based in the Palo Alto 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 Palo Alto
Because Eichler homes were built with radiant in-slab heat and no ductwork, every central air system in them is an aftermarket retrofit, usually from the 1990s, squeezed through a post-and-beam attic never designed for it. Those flex runs sag, separate at joints, and fail in ways you don’t see in cities built around conventional forced-air construction. In Palo Alto’s Eichler tracts, repair is usually the fix, not the exception. Call (980) 447-2498 and we’ll tell you what your system actually needs.
A camera inspection in Palo Alto ducts typically finds separated flex joints, crushed sections, disconnected runs blowing air into the attic, and heavy particulate buildup from wildfire smoke and pollen. We found a Barron Park Eichler once where the back bedroom run had disconnected entirely at a sagging joint and was conditioning the attic for months. The homeowner had no idea until we put the camera in.
Wildfire smoke and pollen load return ducts with fine particulate that restricts airflow and clogs filters, and when combined with already-leaking runs, the system works harder and fails sooner. In Palo Alto, we often recommend sealing leaks before deep cleaning so the particulate doesn’t keep re-entering from the attic. That repair-first sequence is standard for our Palo Alto jobs.
Replace the duct when it’s crushed, rusted through, mold-contaminated, or the liner has degraded so badly that sealing won’t hold. In Palo Alto, most 1990s Eichler flex runs fall into this category after 25 – 30 years, while original metal ducts in Professorville can often be restored with sealing. We’ll show you the camera footage and explain the honest option, not the expensive one.
Yes, our duct cleaning and repair work follows NADCA standards, including source removal under negative pressure with HEPA filtration, and we perform repairs to seal and restore the system before or as part of any cleaning. On Palo Alto retrofits, that means repairing disconnected runs before cleaning so the job actually holds. Call (980) 447-2498 for a free estimate on your repair.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Palo Alto and the mid-Peninsula since 2004.