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.
Trane Air Duct Cleaning in San Jose, CA | Hollis Air Duct Cleaning
We provide independent Trane Air Duct Cleaning - San Jose services, and the one thing that sets our work apart is how we treat the ductwork, not just the machine. San Jose’s wildfire ash and 1950s-era housing stock foul Trane systems in specific, predictable ways, and our crews address the full air path, from plenum to register. That’s why homeowners from West San Jose to Alum Rock call us at (361) 326-5060 when their Trane system stops moving clean air.
Why San Jose Residents Choose Us for Trane Service
Roy Castellanos, our owner, came up through the sheet metal and air conditioning program at Los Angeles Trade-Technical College and spent years doing hands-on duct work before starting Hollis Air Duct Cleaning. He built this company on a specific standard: show up inside the window, price the job in writing before touching anything, and leave the site cleaner than we found it. That’s The Garrison Standard, and every crew member is background-checked and uniformed, so you know exactly who’s walking into your home.
We work on Trane residential systems weekly in San Jose service area homes, from West San Jose Eichler tracts with original galvanized ductwork to downtown high-rise air handlers. Our technicians are independent specialists. We hold no Trane authorization and claim no manufacturer partnership. But our depth with Trane hardware comes from hundreds of local jobs, not a badge. When we open a Trane cabinet, we know where the gaskets fail, how the plenum transitions crack, and what that means for the air you breathe.
Common Trane Air Duct Cleaning Problems We Solve in San Jose
- Wildfire ash in supply trunks. After a big Diablo Range or Santa Cruz Mountains fire season, eastern foothill homes in Evergreen and Alum Rock get a sticky, resinous ash coating inside flex duct that standard vacuuming won’t remove. We brush and chemically treat those runs manually.
- Cracked mastic at plenum takeoffs. San Jose’s dry summers and wet winters expand and contract the mastic and tape at Trane plenum connections. Once cracked, those joints pull attic air, insulation fibers, and ash straight into the supply trunk. We reseal with fresh mastic.
- Flattened Hyperion cabinet gaskets. Trane Hyperion air handlers use gasketed panels that lose their seal over time. In dusty post-WWII West San Jose homes, a flattened gasket lets unfiltered air bypass the filter and coat the blower and evaporator coil.
- Embedded ash on variable-speed blowers. Trane variable-speed blowers in eastern foothill homes move enough continuous airflow that fine ash particles embed in flex duct lining. Normal shop-vac pressure won’t release it. We use rotary brush systems and negative-air extraction to pull it out.
- Pest intrusion at unsealed collars. Older Trane systems paired with original 1950s flex or galvanized runs develop gaps at unsealed collars. Rodents and insects get in, and attic insulation fibers get pulled into the return. We seal collars and clean the contamination out.
Trane Service in San Jose: What Local Conditions Mean for Your Equipment
Here’s what nobody tells you about owning a Trane system in San Jose. The post-WWII housing tracts in West San Jose and the surrounding Santa Clara County pockets were built with original galvanized or early flex duct. Those unlined runs hold a static dust reservoir, decades of skin cells, pollen, construction debris, and old insulation. When you run a Trane variable-speed blower, that reservoir recontaminates the system within weeks if the trunks aren’t cleaned, not just the registers. A standard register-level cleaning leaves the reservoir intact, and the dust marches right back into your coil. In Alum Rock, where homes sit closer to the foothills, the same unlined runs trap wildfire ash that turns sticky with humidity each winter. The fix is a full trunk-and-branch cleaning, not a quick vent vacuum. That’s the only way a Trane system in San Jose actually stays clean.
For more on the equipment side, see Trane sales & service.
Trane Models & Products We Service in San Jose
We service the residential Trane lines most common in San Jose: the XR series split systems, XV variable-speed furnaces and air handlers like the XV80 and XV95, XLi outdoor units matched with Hyperion air handlers, and ComfortLink II communicating systems. For parts, we use OEM Trane-compatible filters, gaskets, and blower components where fit matters. For flex duct, mastic, and sealant, we use quality aftermarket materials that outperform the original. If a Trane coil or blower is fouled, cleaning and resealing is almost always the right call before replacement. We tell owners honestly when a 20-year-old Trane air handler is past the point where cleaning pays off.
Trane Service Pricing in San Jose
Expect to pay between $450 and $800 for a full Trane system cleaning in a typical San Jose single-family home, depending on square footage, the number of returns, and how much of the ductwork is original 1950s material. A downtown high-rise with shared risers and complex access runs higher, usually $600 to $1,000, because the building’s stack effect and secure access requirements add labor. What drives the price: whether we need to remove and clean the blower and evaporator coil, how much mastic needs resealing, and whether sticky ash requires chemical treatment. You get a written price before any work starts. It does not move at the door. Call (361) 326-5060 for a free estimate, and we’ll give you a firm number over the phone.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose 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 – Trane Air Duct Cleaning in San Jose
It absolutely gets in. During a major fire event like the SCU Lightning Complex, fine ash and smoke particles are pulled into your return air stream and settle throughout the ductwork. In eastern foothill neighborhoods like Evergreen and Alum Rock, we routinely find a sticky, resinous coating on flex duct during San Jose Dryer Vent Cleaning and ductwork inspections that standard vacuuming won’t remove. It requires manual brushing and chemical treatment. Call (361) 326-5060 and we’ll inspect your system and tell you what’s actually in there.
Most of the time they can be cleaned, provided the runs are intact and not physically collapsed. Galvanized duct from that era is heavier than modern flex and often holds up well. The issue is what’s inside: decades of dust, possibly vermiculite or old insulation, and gaps at the seams. We clean the full trunks and branches, then seal the collars and seams with mastic. If a run is crushed or rusted through, we’ll tell you before any work starts. Call (361) 326-5060 for an honest assessment.
Access and ownership. In a high-rise, the Trane air handler may serve multiple units or be tied into a central riser, so the building’s stack effect pulls air from corridors, parking levels, and neighboring units through your register chase. Cleaning requires coordinating building access, working within tighter mechanical rooms, and sometimes cleaning only the private duct section feeding your unit. We’ve done this across downtown and North San Jose, and we’ll walk you through what your building configuration allows. Call (361) 326-5060 and we’ll explain what’s feasible for your specific setup.
Because the source wasn’t fully addressed. A Trane variable-speed air handler moves air continuously at low speeds, which means moisture lingers on the evaporator coil longer than in a single-speed system. If the coil wasn’t treated, or if the trunk lines still hold a dust reservoir, the musty smell returns in weeks. We clean the coil with antimicrobial treatment and clean the full trunk and branch runs, not just the registers. That’s the difference between a fragrance masking job and an actual fix. Call (361) 326-5060 and describe the smell, and we’ll tell you what’s likely causing it.
Yes, and it’s a common job for us. Trane plenum takeoffs use mastic and tape that shrink and crack after San Jose’s dry summers and wet winters. We remove the failed material, clean the surface, apply fresh mastic, and reinspect. The repair is covered by our 365-Day Done Right Promise in writing. If it fails within a year, we come back at no charge. Call (361) 326-5060 for a quote.
Service Areas Near San Jose
We also serve select areas nearby, including Trane service in Columbus and Trane service in San Francisco. For our San Jose clients, that means consistent crews and the same written pricing standard across the wider Bay Area.
Book Your Trane Service in San Jose Today
If your Trane system is moving air through ducts that haven’t been properly cleaned in years, let’s fix that. Call (361) 326-5060 for a free estimate, and we’ll give you a written price before any work starts. Clean ducts, straight answers – that’s the whole job.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving San Jose since 2004.




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