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 Rohnert Park
Air duct repair in Rohnert Park typically runs $350 – $900 for sealing, patching, and plenum corrections, while full duct replacement in older tract homes usually lands between $1,800 – $4,200 depending on system size and access. Most Rohnert Park jobs are diagnosed and completed in one visit because the housing stock here is so consistent: 1960s and 1970s planned-grid homes with the same failure patterns, street after street. If you’re dealing with a musty smell that won’t quit, weak airflow in back bedrooms, or a blower that keeps grinding through filters, call Linden Air Duct Cleaning at (980) 447-2498 and we’ll put an honest number in writing before any work starts.
Why Linden Air Duct Cleaning Is Rohnert Park’s Preferred Air Duct Repair Company
Rohnert Park homeowners keep calling us back for one reason: we don’t do fog-and-go. When we open up a return plenum in the M Section or near Copeland Creek and find what’s actually down there, we show you the camera footage before we quote a repair. Marcus Veale has built the Air Duct Repair side of this company around a simple rule: if we can’t show you the problem, we won’t sell you the fix. Homeowners in Rohnert Park’s C, D, and L Sections especially appreciate that, because so many of these early tract homes share the same unlined-plenum shortcut from the original build, and once you’ve seen it in one house, you know what to look for in the next.
Every technician who comes to a Rohnert Park door works to the Threshold Standard: background-checked, identity-verified, and sent to you by name and photo before the visit. You’ll see a photo ID badge at the door before anyone steps inside. That matters when you’re home alone with kids or you’ve been burned by a contractor before. We’ve served the Rohnert Park area since the brand’s founding in 2004 as part of the Threshold Group family, and the way we handle a 1968 tract home on Santa Barbara Drive is the same way we handle every job: written price first, written guarantee on the repair, and a free second visit if the repair fails within 365 days. Our phones are answered by a live person 24/7, and our crews are dispatched and scheduled from the brand’s San Francisco Bay Area office with local routing into Rohnert Park.
Ductwork Repair in Rohnert Park
Ductwork repair in Rohnert Park means restoring the sealed integrity of the duct runs themselves, not just treating the air inside them. In homes built between 1962 and the mid-1970s, the original duct board and early galvanized sheet metal have sagged at the seams, delaminated in spots, and opened gaps that pull unfiltered air from crawlspaces, wall cavities, and attic insulation. When that happens, the air reaching your registers isn’t just stale; it’s actively pulling in whatever lives in those spaces. A typical ductwork repair in Rohnert Park runs $350 – $700 for seam resealing, mastic application, and patching of accessible runs, with more involved plenum corrections reaching $900.
Homeowners call us for ductwork repair when they notice weak airflow in far rooms, visible dust streaks around register grilles, or a persistent musty odor that returns within weeks of a basic cleaning. The fix often isn’t glamorous: we locate the gaps with a pressure test or camera inspection, seal them with mastic and foil tape rated for HVAC use, and confirm the static pressure drops back to something the blower can handle. That last part matters, because an old blower motor fighting a leaky duct system is burning electricity and still losing the battle.
Sealing and Patching
Leaky seams and separated takeoff collars are the single most common ductwork repair we perform in Rohnert Park. The Petaluma Gap’s persistent marine air keeps these old ducts slightly damp for much of the year, and decades of that cycle loosens every mechanical connection. We seal those seams correctly and permanently, because duct tape from the hardware store fails within a season here.
Missing Filter Housing Corrections
Many early Rohnert Park tract homes have return-air plenums that pull directly from unlined utility closets with no proper filter box at all, just a loose fiberglass pad propped somewhere. That’s a code-era shortcut from the 1960s, and it means decades of unfiltered fog moisture, lint, and dust have caked the supply side of your system. A proper repair fabricates and seals a real filter housing at the plenum, so the filter actually filters.
Duct Replacement in Rohnert Park
Duct replacement in Rohnert Park is the right call when the existing runs are too far gone to seal: collapsed flex, delaminated duct board, rusted-through sheet metal, or contamination that can’t be physically removed. In practice, that describes a lot of the original ductwork in Rohnert Park’s planned-grid neighborhoods, because these systems have aged 50-plus years in a damp, particle-rich climate. Full duct replacement typically runs $1,800 – $4,200 here, with larger two-story homes and crawlspace-access systems at the higher end. It’s not a cheap job, and we’ll tell you that plainly before we sell it. But when a return plenum is carpeted in post-wildfire ash and microbial growth that source removal can’t fully lift from corroded metal, replacing the runs is the only repair that stops the problem instead of postponing it.
We recommend replacement when a camera inspection shows the duct board has lost its structural rigidity, when seams have separated along entire runs, or when the cost of patching would exceed half the cost of a clean replacement. New duct runs also get sized to the blower, not just swapped one-for-one, because an original 1960s blower pushing through original 1960s ducts was never designed for modern MERV media. When you replace the ducts, you can finally run a real filter without choking the system.
Supply and Return Trunk Replacement
The trunk lines are the main highways of your duct system, and in Rohnert Park’s older homes they’re often the most damaged. Replacing trunk runs usually involves crawlspace or attic access, careful sizing, and sealing every takeoff. It’s the highest-impact repair we do for airflow and indoor air quality, and we’ll show you before-and-after camera stills of your own system when the job is done.
Branch Run and Register Replacement
Branch runs to individual rooms sometimes fail before the trunk, especially in slab-foundation homes where the runs are embedded in or routed through concrete. We’ll replace individual runs where that’s all that’s needed, so you’re not paying for a full system when one bedroom is the problem.
Trusted Brands We Service in Rohnert Park
We work on every major duct system and component brand common in Rohnert Park homes, from original 1960s sheet metal and duct board to modern flexible and rigid runs. Our crews use professional-grade equipment from Rotobrush and Nikro for inspection and source removal, and we spec air-quality products from Aprilaire and Abatement Technologies when a repair calls for filtration or containment upgrades. Because we stock common replacement parts and materials for the standard tract-home configurations in Rohnert Park’s planned neighborhoods, most repair jobs don’t wait on a parts shipment. That means fewer return trips and a faster path from diagnosis to fixed.
Common Air Duct Repair Problems We See in Rohnert Park Homes
- Unlined utility-closet return plenums. Early-1960s tract construction often pulled return air straight from an unlined closet with no real filter housing, and we see this constantly in the C, D, and L Sections. The fix is a fabricated filter box at the plenum, not another filter swap.
- Mold colonization on the return side. Rohnert Park’s fog and marine moisture from the Petaluma Gap keep unlined galvanized runs damp for much of the year, and mold takes hold there long before it shows on the supply side. If your musty smell won’t die, the return plenum is where we look first.
- Post-2017-wildfire ash embedded in ducts. Homes that ran HVAC during or just after the Wine Country fires pulled smoke residue deep into the system, and it’s still in there. That ash caked onto interior duct surfaces acts like a sponge for moisture, and no fogging spray removes it from the source.
- Sagging and delaminated original duct board. Fifty-year-old duct board loses its rigidity, sags at the seams, and opens gaps that pull in vineyard dust, dairy particulates, and crawlspace air from across the surrounding Sonoma County agricultural land. Register-level cleaning can’t touch that.
Pricing for Air Duct Repair in Rohnert Park, CA
Honest numbers help. A focused ductwork repair in Rohnert Park, like sealing separated seams or patching accessible runs, generally runs $350 – $700. More involved work like plenum corrections or fabricating a missing filter housing lands around $700 – $900. Full duct replacement starts near $1,800 for smaller single-story systems and reaches $4,200 for larger homes with difficult crawlspace or attic access. What swings the price is access, damage extent, and whether the return side needs structural correction. You’ll get a written price before any work begins, and that same document includes a written guarantee on the repair, with a free second visit within 365 days if the repair fails. Call (980) 447-2498 for an exact quote; estimates are free, and we’ll show you what we found before we ask for a dime.
We Also Serve Cities Near Rohnert Park
Our Air Duct Repair in Rohnert Park crews also cover the surrounding Sonoma County communities, including Cotati, Petaluma, Santa Rosa, and Sebastopol. If you’re just over the Rohnert Park line, the same technicians, the same written pricing, and the same Threshold Standard apply. Call us at (980) 447-2498 and we’ll route the nearest crew to you.
Serving Rohnert Park, CA - Our Local Coverage Area
We’re based in the Rohnert Park 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 Rohnert Park
The musty smell in Rohnert Park homes usually comes from the return side of the system, not the supply side, because early tract homes here pulled return air from unlined utility closets with no proper filter housing, and Petaluma Gap fog moisture kept those surfaces damp for decades. A basic duct cleaning that only addresses the supply runs and registers never touches that return plenum, so the smell returns within weeks. A real repair has to correct the missing filter housing and remove the microbial growth at the source, not fog it with a deodorizer. Call (980) 447-2498 and we’ll show you the camera footage from your own plenum.
Ductwork repair in Rohnert Park is enough when the damage is limited to separated seams, small tears, or a missing filter housing that we can fabricate and seal; duct replacement is the right call when the original duct board has delaminated, the sheet metal is rusted through, or the interior contamination can’t be physically removed from corroded surfaces. We make that call with a camera inspection and show you exactly what we saw, so the decision is yours and based on evidence, not a sales pitch. The 365-day written guarantee covers either path.
Yes, and it’s not a marketing line. Homes throughout Rohnert Park that ran their HVAC systems during or in the weeks after the 2017 Wine Country fires, which burned into neighboring Santa Rosa just miles away, pulled smoke particulates deep into the duct system. That ash and fire-residue layer is still inside many systems today, and it holds moisture against duct surfaces, which accelerates corrosion and mold on unlined galvanized runs. A filter upgrade alone won’t remove what’s already caked inside; the ducts themselves need repair or replacement. We can camera-inspect your system and show you whether the residue is present before recommending any work.
Most original 1960s and 1970s blower motors in Rohnert Park tract homes weren’t sized for anything above MERV 8, and a high-MERV filter in an old system can choke airflow and freeze coils. The right answer usually isn’t a thicker filter; it’s repairing the ducts and plenum so the system can actually use the filter it has, then deciding on MERV rating based on your blower’s static pressure tolerance. We’ll test that tolerance during a repair and tell you straight what your system can handle, rather than selling you a MERV 13 that sends your energy bill through the roof. For a specific recommendation on your home, call (980) 447-2498.
The Petaluma Gap is a break in the coastal hills just southwest of Rohnert Park that funnels persistent marine air, fog, and agricultural particulates across the Santa Rosa Plain where the city sits, and that means your duct system is exposed to year-round moisture and a fine organic dust load that most inland cities never see. That moisture condenses on unlined galvanized runs and soaks into original duct board, keeping microbial colonies active 12 months a year. It’s why Rohnert Park systems often look worse internally than systems twice their age in drier Bay Area cities, and it’s why repairs here have to address moisture sources, not just clean the visible surfaces.
If your ducts are making noise, smelling musty, or just not moving air the way they should in your Rohnert Park home, call Linden Air Duct Cleaning at (980) 447-2498 for a free, detailed estimate. We’ll put the price in writing before any work starts, and we’ll show you exactly what we found inside your system. No fog-and-go, no surprise invoices, no stranger at your door without a name and a face you already know.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Rohnert Park and surrounding Sonoma County communities since 2004.