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.
Fast, Reliable Air Duct Repair Across Broadmoor
Air duct repair in Broadmoor typically costs between $350 and $1,800 depending on whether we’re sealing a leaking joint, replacing a failed flex run, or rebuilding a rusted register boot. Most repair jobs in Broadmoor are completed in a single visit, and every job gets a written price before any work begins. We know Broadmoor’s housing stock, specifically the post-WWII tract homes off Warner Avenue and along the CDP’s narrow side streets, and we know what the fog does to ductwork here. If you suspect a leak, a tear, or biological growth in your ducts, call (980) 447-2498 for a straight answer and a free estimate.
Why Linden Air Duct Cleaning Is Broadmoor’s Preferred Air Duct Repair Company
Broadmoor homeowners call us because we tell them exactly who’s coming to the door. Before any visit, you receive the technician’s name and photo. At the door, that same technician shows a photo ID badge. That’s the Threshold Standard, and it’s been our operating rule since 2004 as part of the Threshold Group family. We’re independently owned and operated, led by Marcus Veale, and we hold every repair to a written guarantee.
Our Air Duct Repair team works Broadmoor regularly, from the streets off Mission Street to the neighborhoods bordering San Bruno and Daly City. We understand the specific failure modes here: rusted boots, cracked flex collars, sagging runs in damp crawlspaces. That local familiarity means we bring the right tools and parts on the first trip, not the second. Every repair comes with a 365-Day Done Right Promise in writing, and if a covered repair fails within that year, we come back at no charge.
HVAC Duct Installation in Broadmoor
HVAC Duct Installation in Broadmoor means replacing duct sections that are beyond repair, typically due to decades of fog-belt moisture, failed seals, or original 1940s and 1950s materials that have simply given out. In Broadmoor’s post-WWII tract homes, we frequently install new flex runs in crawlspaces and attics where the original sheet metal has separated at the collar or the insulation has become saturated. A typical HVAC duct installation in Broadmoor runs $700 to $3,200 depending on the number of runs, accessibility, and whether we’re also sealing boots and installing a new filter cabinet. You get the range in writing before we touch a single duct, and the price does not change unless you approve a change first.
Full Runs in Crawlspaces and Attics
Crawlspace work in Broadmoor is tight and often damp. We use negative-pressure extraction and source removal tools from Rotobrush and Nikro to pull debris out while we work, not spread it through the house. When we replace a run, we hang it with proper support straps and seal every collar with mastic, not tape.
Boot and Register Replacement
Rusted register boots are common in Broadmoor because cool duct surfaces condense moisture from the marine layer. We replace boots with corrosion-resistant fittings and seal the penetration to the floor properly. That stops the wicking that ruins insulation and feeds mold at the register face.
Air Duct Replacement in Broadmoor
Air Duct Replacement in Broadmoor is the right call when a duct run is too deteriorated to seal, when biological growth has colonized the interior lining, or when a previous homeowner’s repair has left the system leaking at multiple points. Most Broadmoor replacements involve removing original sheet-metal ducts with failing flex connections and installing new, properly insulated runs. A full-system air duct replacement in a modest Broadmoor home typically costs $3,500 to $8,000. Partial replacements fall lower, and we’ll show you photos from our camera inspection before recommending anything.
Replacing Compromised Flex Runs
Flex duct in damp Bay Area air fails faster than it should. The outer jacket degrades, the inner liner separates, and air leaks at the collar while the system still looks fine at the register. We cut out the bad section, install new flex with a proper R-value rating, and seal everything with mastic and stainless clamps.
Repair Versus Full Replacement
Sometimes the right honest answer is repair, not replacement. If your ducts are structurally sound but leaking at a few boots or joints, we’ll tell you that and quote the repair, not an unnecessary replacement. That’s the whole point of the written price before work starts.
Trusted Brands We Service in Broadmoor
We work on every major duct and air-handling configuration in Broadmoor, and we stock common parts locally so we’re not waiting on a warehouse across the Bay. Our techs run professional-grade equipment from Rotobrush and Nikro, and we recommend air-quality products from Aprilaire and Abatement Technologies when a Broadmoor home needs filtration or moisture control beyond the ductwork itself. If your system uses Guardsman-registered components or Honeywell controls, our team services those too. The point is this: we show up with the right gear and the right parts for the job in front of us, not whatever happened to be on the truck.
Common Air Duct Repair Problems We See in Broadmoor Homes
- Surface mold at register boots without any leak. Fog-belt air keeps crawlspace duct surfaces cool and damp. In Broadmoor, we routinely find visible mold at the boot and flex connector even when the homeowner has never seen standing water.
- Cracked and sagging flex connections. Post-WWII Broadmoor homes often still have original sheet-metal ductwork with early flex connectors. The marine air degrades the flex jacket, the inner liner separates, and air leaks at the collar while the register still blows.
- Rusted boots and saturated insulation. Condensation wicks from cold duct surfaces into surrounding insulation in Broadmoor crawlspaces. By the time you see rust at the register, the insulation behind it is often holding moisture and feeding biological growth.
- Damp dust caked to duct walls. Coastal humidity keeps dust in ducts damp enough to cling rather than move to the filter. Without mechanical agitation and source removal, that substrate re-colonizes within a season no matter what you fog into the system.
Pricing for Air Duct Repair in Broadmoor, CA
Air duct repair in Broadmoor sits inside a real range: $350 to $1,800 covers most single-run repairs, boot replacements, and sealing jobs. A partial duct replacement with multiple flex runs runs $1,200 to $3,500. A full-system replacement in an older tract home off Warner Avenue typically lands between $3,500 and $8,000 depending on home size and crawlspace access. The price we quote is the price you pay, it is written down before any work starts, and there is no per-vent pricing and no bait-and-switch. Call (980) 447-2498 and we’ll give you the number before you commit to anything.
We Also Serve Cities Near Broadmoor
Our crews work Broadmoor regularly, and we also serve the surrounding Peninsula and Bay Area cities. If you’re in Los Angeles, San Diego, San Jose, or San Francisco and need the same written guarantee and verified technician standard, we can help. See our Broadmoor page for details on coverage across the CDP and neighboring communities.
Serving Broadmoor, CA - Our Local Coverage Area
We’re based in the Broadmoor 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 Broadmoor
Mold in Broadmoor ducts usually comes from condensation, not a leak. Coastal fog keeps the air humid nearly year-round, and when your furnace cycles, cold duct surfaces in unconditioned crawlspaces attract moisture. That trapped moisture combines with dust already in the ducts and supports biological growth, especially at register boots and flex connectors. If you see dark staining around a register but no water damage anywhere else, this is almost always the culprit. Call (980) 447-2498 for a camera inspection quote.
No, fogging does not remove mold in Broadmoor ductwork. Fogging only treats the air, not the colonized material clinging to duct walls or soaked into boot insulation. Real remediation means physical source removal with agitation tools and negative-pressure extraction, then sealing or replacing the affected material. If a company offers a fog and a fresh smell without removing growth, you’re paying to mask the problem. We do source removal, and we show you before-and-after photos.
Broadmoor sits in the Peninsula’s fog belt, where the marine layer lingers over the CDP even in summer. That persistent humidity accelerates rust on metal boots, degrades flex duct jackets, and keeps dust damp enough that it clings to duct walls. Homes in San Bruno or San Mateo get more sun and burn-off, so their ductwork dries out between cycles. In Broadmoor, the damp cycle is nearly continuous, and it shortens the life of every component in the system.
Air duct cleaning removes accumulated dust, debris, and biological growth from inside the ducts. Air duct repair fixes the physical system: sealing leaks, replacing rusted boots, swapping out failed flex runs, and restoring proper airflow. In Broadmoor, most homes need both because the same fog-belt moisture that feeds the growth also degrades the materials. We’ll camera-inspect first and tell you which one you actually need.
It can be, though a slow dryer usually points to the dryer vent line rather than the HVAC ducts. In Broadmoor, humid air makes lint clump and stick inside vent runs, and a clogged vent forces the dryer to work longer. We offer dryer vent cleaning as a separate service, and we can inspect the vent line with a camera to see whether the problem is a clog, a crushed run, or something else. Call (980) 447-2498 for a straight diagnosis.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Broadmoor and the surrounding Peninsula since 2004.




Before
After
Before
After
Before
After