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 Burlingame
Air duct repair in Burlingame typically runs $350 – $1,800 depending on whether we’re sealing separated joints, replacing a rusted return drop, or addressing asbestos-wrapped ducts in a 1930s-era home. Most repairs are completed in a single visit because our crews carry mastic, sheet metal, and replacement sections sized for the older galvanized runs common in Easton Addition and Burlingame Hills. If you’re hearing rattling from a register near Broadway, smelling musty air when the heat kicks on, or noticing one room that never reaches temperature, call us at (951) 527-6259. We know Burlingame’s housing stock and the specific ways salt air and fog shorten the life of ductwork here.

Key Takeaways
- Repair pricing in Burlingame starts around $350 for joint sealing and runs to $1,800+ for asbestos-aware duct replacement in pre-1950s homes.
- Burlingame’s marine moisture corrodes galvanized duct seams faster than inland cities; inspection every 3 – 5 years is worth doing here.
- Older gravity-fed systems in the Easton Addition often require asbestos awareness certification before any repair work begins.
- Every repair includes a written price before work starts and a 365-Day Done Right Promise in writing.
- The technician’s name and photo arrive before the visit; a photo ID badge is shown at your door.
Styles & brands we work with




Why Linden Air Duct San Francisco Is Burlingame’s Preferred Air Duct Repair Company
Burlingame homeowners call us because the houses here are different from what most duct companies are used to. A 1940s cottage off El Camino Real doesn’t have the same duct system as a 1990s tract home in San Mateo. Our Air Duct Repair team works in these older systems every week, and we’ve learned what fails first when fog rolls in from the bay four months a year. Marcus Veale leads our crews with a straightforward rule: if a repair can’t be written down with a price and a guarantee before we start, we don’t start.
Every technician who arrives at a Burlingame door is background-checked and identity-verified under the Threshold Standard. You’ll get the tech’s name and photo before the visit. At the door, they show a photo ID badge. No exceptions. That matters in a town where many homeowners are home alone during the day or have young children.
We schedule Burlingame jobs directly from our San Francisco Bay Area office, with crews dispatched locally. We don’t run out of a call center, and we don’t put you in a voicemail queue. A live person answers the phone around the clock at (951) 527-6259.
Ductwork Repair in Burlingame
Ductwork repair in Burlingame usually means sealing separated joints, patching rusted sections, or replacing a collapsed return drop before it pulls crawlspace air into your living room. In older Burlingame homes, the galvanized steel that looked solid in 1950 has spent 70 years breathing damp, salty air. Seams corrode. Tape fails. Joints pop apart at the air handler. That’s the repair we do most often here.
Sealing Separated Joints
When a joint separates, your HVAC system pulls air from wherever the gap is: a damp crawlspace, an attic full of fiberglass dust, or the inside of a wall cavity. We clean the joint, apply mastic, and reinforce with mechanical fasteners where the gap is wide. This is a same-visit repair in most cases.
Replacing Rusted Return Sections
Burlingame’s fog season puts constant moisture against the cold galvanized surface of return ducts. Rust follows. If the return drop to the blower motor is compromised, we replace the section and check upstream for hidden corrosion. A camera inspection before and after tells you exactly what we found and what we did.
Duct Replacement in Burlingame
Duct replacement in Burlingame becomes necessary when the duct material itself is beyond patching: rusted-through sheet metal, crushed flex runs, or original ducts that are disintegrating with age. In homes built between 1920 and 1950, especially in the Easton Addition, replacement sometimes includes managing asbestos-wrapped ducts, which requires containment protocols a standard duct company won’t have.
When Repair Isn’t Enough
If more than a third of a duct run is rusted, patched, or sagging, replacement is usually cheaper than repeated repairs. We’ll show you the affected sections on camera before recommending it. The written price covers the full scope, including any asbestos containment needed on original ductwork.
Replacing Gravity-Fed Runs
Some Burlingame homes still run original gravity-fed furnaces. Replacing ducts in these systems means working around oversized, sometimes asbestos-wrapped runs. Our crews carry asbestos awareness certification and use containment methods that keep the work area sealed and safe for your family.

Trusted Brands We Service in Burlingame
We work on the equipment Burlingame homes actually have. That includes older systems passing air through ductwork we clean with Rotobrush and Nikro negative-pressure extraction gear, plus air-quality products from Abatement Technologies and Guardsman when your repair calls for source removal rather than cover-ups. Because we’re servicing Burlingame weekly, our crews stock the mastics, tapes, and sheet metal sizes these older homes need, which shortens turnaround on repairs here.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Repair Problems We See in Burlingame Homes
- Corrosion at duct seams near the air handler. Salt air and marine moisture settle on cold galvanized surfaces, especially where the plenum meets the return drop. We see this most in homes within a mile of the bay, from Easton Addition up toward Mills Estates.
- Microbial growth inside return ducts. Fog-dampened insulation wicks condensation into the duct interior. If your return smells musty when the system cycles, source removal is the fix, not a fogging treatment sprayed in after cleaning.
- Asbestos wrapping crumbling during a clean. Original 1920s – 1950s ducts in Easton Addition and Burlingame Hills often have asbestos wrap. A standard duct cleaning can release fibers. Any repair here requires containment and asbestos-aware handling.
- Separated joints pulling crawlspace air into the plenum. We worked in a Burlingame Hills home where the original 1948 supply and return ducts had separated at the air handler, pulling moist crawlspace air into the plenum. Our techs sealed the joints with mastic, replaced a rusted section of the return drop to the blower motor, and verified airflow with a camera inspection before balancing registers.
Pricing for Air Duct Repair in Burlingame, CA
Here’s what we actually charge in Burlingame. Sealing separated joints at the air handler typically runs $350 – $600. Replacing a rusted return drop or a section of corroded supply trunk runs $800 – $1,400 depending on length and accessibility. Full duct replacement in an older Burlingame home, especially with asbestos containment, runs $1,800 – $3,500. These are whole-system prices, not per-vent teaser rates. The price you see is the price you pay, in writing, before work begins. Call (951) 527-6259 for a free estimate. We measure, photograph, and quote from the actual ductwork in your home, not over the phone from a script.
We Also Serve Cities Near Burlingame
Our crews cover the mid-Peninsula, including San Mateo, South San Francisco, Pacifica, and Daly City. If you’re just outside Burlingame proper, call us. We regularly run Air Duct Repair jobs up and down El Camino Real, and we know the housing stock in each of these neighboring towns. For the full picture of how we work in your area, see Air Duct Repair in Burlingame.
Serving Burlingame, CA - Our Local Coverage Area
We’re based in the Burlingame 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 Burlingame
Salt air accelerates galvanic corrosion where moisture sits against steel seams, particularly near the air handler and along return runs. In Burlingame, a 30-year-old duct system can show more rust than a 50-year-old system inland. We recommend inspecting seams every 3 – 5 years here. Call (951) 527-6259 to schedule an inspection.
No. Fogging treats the surface temporarily, but it does not remove the mold colony or the moisture source feeding it. In Burlingame return ducts, where fog-dampened insulation wicks condensation, the fix is source removal: physically removing the affected material and sealing the moisture entry point. We do not sell fogging as a repair because it isn’t one.
Yes, if the original duct wrap from the 1920s through 1950s is present and may be disturbed. Our crews carry asbestos awareness certification and use containment during any repair that touches original gravity-fed ducts. We’ll tell you at the estimate whether your system falls into this category.
Weak airflow in older Burlingame homes almost always points to separated ducts, collapsed returns, or a blower pulling air through a rusted section rather than through the registers. Cleaning the registers addresses a symptom, not the cause. We check duct integrity with a camera inspection and seal what’s actually leaking.
Every 3 – 5 years in Burlingame, and more often if your home is within a mile of the bay or shows musty smells when the HVAC cycles. Marine moisture works slowly, but it doesn’t stop. A duct inspection catches seam corrosion before it becomes a full replacement.
Call Linden Air Duct San Francisco for Air Duct Repair in Burlingame
If your Burlingame home needs ductwork repair or replacement, call (951) 527-6259. You’ll speak to a live person, get a written quote before any work begins, and know exactly who is coming to your door. Marcus Veale and our crews work in Burlingame every week. We know the houses, the fog, and the duct systems. Call now for a free estimate.
Written by Marcus Veale, Owner at Linden Air Duct San Francisco, serving Burlingame since 2004.