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.
Fast, Reliable Air Duct Repair Across Pacifica
Air duct repair in Pacifica usually costs between $240 and $680 for a typical single-system home, with whole-home duct replacement running $2,800 to $6,000 depending on the house layout. Most repair jobs take one visit, and we schedule Pacifica calls Monday through Saturday. If your ducts are leaking, crushed, disconnected, or corroded by salt air, call (951) 527-6259 for a free estimate before the damage spreads to your furnace blower or your utility bill.
We know Pacifica’s homes. We know the difference between a 1960s hillside house off Roberts Road with original galvanized runs and a newer Fairway Park subdivision with flex duct in a tight attic. That local knowledge is what lets us diagnose a duct problem accurately the first time, without tearing open walls guessing.
Why Linden Air Duct San Francisco Is Pacifica’s Preferred Air Duct Repair Company
Pacifica homeowners tend to be careful about who comes through the door, and we respect that. Every Linden technician is background-checked, identity-verified, and photo-badged under the Threshold Standard. Before your visit, you get the tech’s name and photo. At your door, they show ID. That’s not a special request; it’s how every job works.
Marcus Veale leads our repair team, and he has spent years working on the specific failure patterns coastal ductwork presents. Our crews serve Pacifica regularly, from Sharp Park to Linda Mar to the hills above Rockaway Beach. We stock sealants, replacement duct sections, and repair materials sized for the ductwork common in 1950s-1970s Pacifica homes, which means fewer return trips and faster fixes.
Every repair comes with a written price before any work starts and a written guarantee on the repair. If a covered repair fails within 365 days, we return and fix it at no charge. That’s the 365-Day Done Right Promise, and it’s on paper, not a promise made over the phone.
Styles & brands we work with
Air Duct Repair Services We Handle in Pacifica
Duct repair in Pacifica covers a wider range of failures than most homeowners expect. We repair separated joints, crushed flex runs, corroded galvanized sections, disconnected boots, and return-air problems caused by poorly sealed crawlspace ducts. The coastal climate makes joint sealing especially critical here: when fog-damp air gets pulled into unsealed returns, condensation forms and feeds mold on the dust inside. A repair that ignores the joints is not a repair.
Ductwork Installation in Pacifica
Ductwork installation in Pacifica is a bigger job than repair, and it’s worth knowing when it’s actually needed. If your ducts are original to a 1950s-1970s home and show through-rust, collapsed sections, or airflow so restricted that blower motors are burning out early, replacing all or part of the system may be the only honest fix.
Whole-home ductwork installation in Pacifica typically runs $2,800 to $6,000 for a standard single-family house. Partial replacement of a main trunk or several badly corroded branch lines costs proportionally less. We use NADCA-informed source-removal practices and seal every new joint with mastic or high-grade tape, which matters in a fog belt where unsealed joints become moisture intakes.
When Replacement Beats Repair
We won’t sell you a full replacement if a section repair will last. But when galvanized ducts have rusted from the inside, the metal is thinner than it looks, and patching one hole just moves the failure to the next weak spot. Pacifica’s salt-laden air accelerates that process faster than any inland climate.
Sizing and Airflow Correction
Older Pacifica furnaces often got retrofit duct runs that were never properly sized, especially after additions on hillside homes. A new installation gives us the chance to correct airflow so every room actually receives heat, instead of one bedroom staying cold while the living room bakes.
HVAC Duct Installation in Pacifica
HVAC duct installation in Pacifica refers to the complete duct system tied to a furnace or heat pump, and it’s a major investment. Most Pacifica homes have forced-air systems, and the ductwork is often the original metal installed when the house was built. Between rust, disconnected joints, and decades of accumulated debris, that system may be losing 20 to 40 percent of the air you’re paying to heat.
HVAC duct installation in Pacifica usually runs $3,200 to $6,800 for a full system, depending on the layout and accessibility of the house. Crawlspace work on hillside lots adds labor hours, but doing the job correctly the first time costs far less than paying for a second system because the first one was never sealed properly.
Hillside Crawl Space Challenges
Hillside homes in Pacifica often have long, winding duct runs snaking through inaccessible crawl spaces. We use cameras and inspection tools to map the system before any cut is made, so we know exactly what we’re replacing and why.
Salt-Resistant Materials
For Pacifica homes, we recommend duct materials and sealants that hold up against salt and humidity better than raw galvanized steel. That one choice can add years to the life of your new system.
Trusted Brands We Service in Pacifica
Our crews work on all major HVAC brands, and we stock common replacement parts and seals that fit the systems most common in Pacifica homes. We use professional-grade equipment from Rotobrush and Nikro for cleaning and source-removal work, and when air quality is part of the fix we trust products from Honeywell, Aprilaire, and Abatement Technologies. Having the right tools and parts on the van means less waiting and fewer return visits for homeowners in Sharp Park and Fairway Park.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Repair Problems We See in Pacifica Homes
- Salt-crusted duct interiors. Fine salt crystals coat the inside of registers and duct boots, especially in lower Pedro Point and Sharp Park where ocean spray is heaviest. The salt binds dust into a hard, abrasive crust that restricts airflow and must be mechanically removed, not just vacuumed.
- Rusted galvanized sections. Original 1950s-1970s ductwork in Pacifica corrodes from the inside because fog-damp air keeps the metal wet. What starts as surface rust becomes through-rust, and that means leaks.
- Crushed or sagging flex runs. Retrofit flex duct in attics and crawl spaces gets pinched, kinked, or chewed by rodents. A crushed six-inch flex run can cut airflow to a room by 60 percent or more.
- Unsealed joints pulling fog-damp air. In hillside crawl spaces, unsealed duct joints draw in humid air, causing condensation that feeds mold on dust inside supply and return ducts. Sealing the joints is the real fix; fogging sanitizer is not.
Pricing for Air Duct Repair in Pacifica, CA
We tell you the price before any work begins, in writing, every single time. Here’s what Pacifica homeowners can expect for common repairs:
- Sealing accessible duct joints and minor leaks: $240 – $420
- Replacing a damaged flex run: $180 – $350 per section
- Patching or replacing a corroded galvanized section: $300 – $650
- Whole-home ductwork installation: $2,800 – $6,800
What changes the price is accessibility, not surprise add-ons. A duct run through a tight hillside crawl space takes longer than one in an open attic, and we reflect that in the written quote. The price we put on paper is the price you pay. Call (951) 527-6259 for a free, no-pressure estimate.
We Also Serve Cities Near Pacifica
Beyond Pacifica, our crews regularly work in South San Francisco, Daly City, Burlingame, and San Mateo. If you’re just over the ridge or down the coast, we’ll bring the same Threshold Standard and written guarantees to your door.
Serving Pacifica, CA - Our Local Coverage Area
We’re based in the Pacifica 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 Pacifica
Because Pacifica sits in a fog belt, and the marine air carries fine salt particles that settle inside your ducts and stay there. Salt absorbs moisture from fog-damp air, so your duct interiors stay wet longer than they ever would in Redwood City or San Jose. Galvanized metal under constant salt-and-moisture exposure corrodes from the inside, which is why 1970s Pacifica ductwork often looks far worse than the same-age ductwork you’d find ten miles inland. Repairing or replacing those rusted sections is the only fix that actually lasts. Call (951) 527-6259 and we’ll tell you what your system actually needs.
Yes, and it’s a standard part of what we do in Pacifica. The crust you see on register grilles is the visible edge of a salt-dust scale that also lines the boot and the first few feet of duct. Vacuuming does not remove it; the salt binds dust into a hard layer that has to be mechanically agitated and extracted under negative pressure. If you only clean the grille and not the duct, the crust reforms. That’s why our repair calls in Pacifica always include treating the salt buildup, not just sealing the leak. Call (951) 527-6259 for an estimate.
Not always. Surface rust on the outside of a duct is common and often harmless. The problem comes when the rust is on the inside, or when you can push a screwdriver through the metal. In Pacifica’s salt air, surface rust becomes through-rust faster than you’d expect, so we inspect the ducts from the inside with a camera before recommending replacement. If the metal is still solid, we clean it, seal the joints, and send you photos. If it’s not, you’ll see the photos too. Call (951) 527-6259 for a free inspection.
No, and in Pacifica it’s often a waste of money. Fogging sanitizers leave a wet residue, and in our climate, wet residue inside a duct means more moisture for the mold and rust to feed on. The salt-infused crust actually protects microbial growth under its surface, so a fog that never mechanically removes the crust cannot reach the mold. What works is source removal: mechanically breaking the salt-dust scale, extracting it under negative pressure, then sealing the joints so fog-damp air stops entering. That’s the repair Pacifica ducts actually need. Call (951) 527-6259 for an honest assessment.
We inspect first, with cameras and airflow measurement, so we know exactly where the failure is before we touch anything. Most repair work happens through existing register openings and small access cuts in crawl spaces or attics, not through finished walls. In a 1960s hillside home off Roberts Road, we once found a return boot crusted with salt so thick airflow had dropped to almost nothing. We used agitation tools and negative-pressure extraction to break the scale, sealed corroded joints, and replaced one rusted-through section of original galvanized duct. The repair restored full airflow, and the homeowner’s walls stayed intact. Call (951) 527-6259 to book an inspection for your Pacifica home.
If your Pacifica ducts are showing signs of age, salt damage, or poor airflow, we’re ready to help. Every job gets a written price before work begins, every repair carries a 365-day written guarantee, and you’ll always know who’s coming to your door before they arrive. Call Linden Air Duct San Francisco at (951) 527-6259 for a free estimate.
Written by Marcus Veale, Owner at Linden Air Duct San Francisco, serving Pacifica and the surrounding Bay Area since 2004.