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 Novato
Air duct repair in Novato means dealing with two very different housing stocks: WWII-era conversions at Hamilton Landing with original galvanized trunk lines, and 1960s – 70s Bel Marin Keys homes where flex duct sits inches above former marshland. We know both intimately. Our crews work in Novato weekly, from the Nave Drive corridor to the bayfront. If your home has a duct issue and you want a straight answer on whether it needs cleaning or replacement, call (980) 447-2498. We’ll give you a written price before any work starts.
Why Linden Air Duct Cleaning Is Novato’s Preferred Air Duct Repair Company
Novato homeowners call us because we show up with proof of who we are. Every technician is background-checked, identity-verified, and photo-badged under the Threshold Standard. You get that tech’s name and photo before the visit, and they show a photo ID at the door. No exceptions.
Our reputation in Novato is built on handling the repairs other companies won’t touch. At Hamilton Landing, we’ve traced 1940s galvanized trunks that had pinhole rust from decades of condensation. In Bel Marin Keys, we’ve pulled out flex duct stapled under floors just above saturated soil. These are not generic jobs, and we don’t treat them that way. Since 2004, as part of the Threshold Group family, we’ve put every repair in writing with the 365-Day Done Right Promise. If the repair doesn’t hold, we come back free.
Marcus Veale leads our team, and he holds every job to the same standard: a live person answers the phone 24/7, the price is in writing before work begins, and the guarantee covers every repair for 365 days. That’s not marketing language. It’s how we’ve operated in Marin and Sonoma for over two decades.
Air Duct Repair in Novato
Our Air Duct Repair team handles everything from small leaks to full trunk line replacement across Novato. The work starts with a camera inspection so you can see exactly what’s wrong before we touch anything. We don’t guess, and we don’t sell repairs you don’t need.
Post-storm and post-flood work is a specialty here. Novato’s inland valley gets the county’s hottest summer temperatures, but the bay-facing eastern edges see tule fog and marine moisture in fall and winter. When water gets into a duct run, the question becomes whether cleaning will solve it or whether the duct integrity is compromised. We document that difference in writing, with photos, so your insurer can see exactly why a replacement was necessary rather than a cleaning.
Once the source problem is fixed, we use negative-pressure extraction with HEPA filtration and agitation tools to confirm source removal before installing new ductwork sealed to current NADCA standards. The result is balanced airflow to every register, not just the ones that happened to work before.
Ductwork Installation in Novato
Ductwork installation in Novato is often the right call when a home’s existing ducts have reached the end of their serviceable life. We see this most often at Hamilton Landing, where 80-year-old galvanized trunk lines rust through at seams after decades of seasonal condensation, and in Bel Marin Keys, where flex duct installed in the 1960s and 70s has degraded from persistent ground moisture. A typical ductwork installation in Novato runs $2,800 – $6,500 depending on the home’s size and how much of the existing system can be salvaged.
We install new flex and rigid ductwork sealed to current NADCA standards, with R-value appropriate for Novato’s temperature swings. The inland valley regularly hits the low-to-mid 90s in summer, so undersized or under-insulated ducts cost you comfort and money every month.
Replacing Rusted Galvanized Trunks
Older Novato homes, particularly at Hamilton Landing, often have original galvanized trunk lines that look fine from the outside but have rusted through at the seams. We cut out the damaged sections, install new sealed ductwork, and rebalance airflow so every room gets the air it should.
Wet Crawl Space Duct Replacement
In Bel Marin Keys and other bayfront neighborhoods, flex duct in crawl spaces absorbs ground moisture year-round. Replacement with properly sealed and insulated ductwork, plus crawl space moisture mitigation where needed, stops the mold cycle that cleaning alone cannot fix.
HVAC Duct Installation in Novato
HVAC duct installation in Novato means designing a system that works with your specific house, not just swapping in whatever fits. Many 1950s – 70s tract homes along Nave Drive and Rowland corridors have forced-air systems whose return ducts were undersized from day one. That starves the blower motor, shortens its life, and accelerates debris loading. A proper HVAC duct installation in Novato runs $3,500 – $7,800 for a typical single-family home, depending on square footage and accessibility.
We use professional-grade equipment from Rotobrush and Nikro for the installation and sealing work, and we stock common parts locally so Novato customers aren’t waiting on shipments. When you call, we give you a written price before any work starts. That price doesn’t change at the end of the job.
Undersized Return Duct Correction
We often find homes where the return side of the system is too small for the furnace or air handler. That creates negative pressure, pulls dust in through wall cavities, and makes the blower work harder than it should. Installing a properly sized return duct fixes the airflow and lowers utility bills.
Post-Renovation Ductwork
If you’ve added a room, finished a garage, or reconfigured your Novato home’s layout, your old ductwork likely doesn’t match the new floor plan. We design and install duct runs that deliver balanced air to the new spaces without overtaxing the existing system.
Trusted Brands We Service in Novato
We work on all major duct and HVAC brands, and we keep parts for Rotobrush and Nikro equipment on hand for Novato jobs. That means faster turnaround when you need a repair done. We also install air-quality products from Abatement Technologies and Guardsman for Novato homeowners who want to address the moisture and particulate issues common in bayfront and older homes. We don’t push upgrades you don’t need, but if your ducts have been compromised by moisture or age, we’ll tell you plainly what’s worth doing and what isn’t.
Common Air Duct Repair Problems We See in Novato Homes
- Rusted galvanized trunk lines at Hamilton Landing. Those 1930s – 40s conversions have original or early-retrofit duct runs that have been condensing moisture for decades. The seams rust through long before homeowners notice the pressure loss.
- Moisture-wicking flex duct in Bel Marin Keys. Flex duct stapled under floors just above reclaimed marsh soil absorbs ground moisture year-round. Even on dry days, those runs show moisture staining and microbial growth.
- Undersized return ducts in Nave Drive and Rowland corridor tract homes. These 1950s – 70s houses often have single-upgraded forced-air systems with returns too small for the blower. That starves the motor and pulls dust from wall cavities into the air you breathe.
- Debris-accelerated buildup from Novato’s summer heat. Novato runs hotter than any other Marin town in summer, so HVAC systems run longer and harder. Dust and debris accumulate faster in ducts that don’t get regular cleaning.
Pricing for Air Duct Repair in Novato, CA
Air duct repair in Novato typically costs between $350 and $1,200 for a targeted fix like sealing a leak or replacing a damaged section of flex duct. A full HVAC duct installation runs $3,500 – $7,800 depending on the home’s size and crawl space accessibility. The homes with the biggest price swings are Hamilton Landing conversions with original galvanized trunks and Bel Marin Keys properties with moisture-compromised flex duct. We give you a written price before any work starts, and that price doesn’t change. Call (980) 447-2498 for a free estimate on your specific system.
We Also Serve Cities Near Novato
Our crews handle Air Duct Repair in Novato and the surrounding North Bay. We also serve homeowners in Fairfax, San Anselmo, Petaluma, and San Rafael. Same Threshold Standard, same written price guarantee, same 365-Day Done Right Promise on every job.
Serving Novato, CA - Our Local Coverage Area
We’re based in the Novato 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 Novato
Water intrusion means repair when the duct material itself has been compromised. If the duct is still structurally sound and the water was recent, negative-pressure cleaning with HEPA filtration can remove the contamination. But if the duct has rusted through, the flex duct is saturated, or microbial growth has penetrated the insulation, cleaning won’t fix it. We document everything with photos and a written inspection so you can see the difference, and so your insurer can too. Call (980) 447-2498 for an exact assessment.
Those buildings have original or early-retrofit galvanized trunk lines that predate anything in neighboring San Rafael or Petaluma. After 80-plus years of seasonal condensation, the seams rust through. Newer Novato homes use flex duct, which fails differently. At Hamilton Landing, our tech used a camera inspection to trace supply and return ducts in a 1940s Spanish Colonial Revival barracks conversion. The original galvanized trunk had pinhole rust from decades of condensation. We applied negative pressure with HEPA filtration and agitation tools to confirm source removal, then installed new flex ductwork sealed to current NADCA standards, restoring balanced airflow to every register.
Because Bel Marin Keys sits on reclaimed tidal marshland bordering San Pablo Bay. The flex duct in those crawl spaces is stapled just inches above saturated former-marsh soil. Ground moisture wicks into the duct runs year-round, even when the air outside feels dry. Add Novato’s fall and winter tule fog and marine moisture intrusion, and you get condensation inside poorly insulated duct runs that promotes biological growth. Cleaning alone only masks it. The fix usually involves replacing the compromised duct and addressing the crawl space moisture source. Call (980) 447-2498 to have a tech assess yours.
Expect a camera inspection first. We put eyes on the inside of your ducts before we agree to any repair. We document what we find with photos and written notes. Then we give you a written price for the repair, and that price doesn’t change. The repair itself typically involves sealing leaks, replacing damaged sections, or installing new ductwork where the old material is beyond saving. We finish by verifying airflow at every register. If the repair fails within 365 days, we come back at no charge. That’s the Done Right Promise, in writing, on every job.
You can absolutely repair just part of a system. Water intrusion doesn’t automatically mean a full replacement. If the damage is contained to one trunk line or a few flex runs, we replace those sections and seal the rest. Full replacement is only necessary when the majority of the ductwork is compromised by rust, saturation, or microbial growth. We’ll show you the camera footage so you can see exactly what needs replacing and what’s still sound. Call (980) 447-2498 for a free estimate, and we’ll give you a written price before any work begins.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Novato and the North Bay since 2004.