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.
Why Long Beach Homeowners Choose Trane Air Duct Cleaning
We provide independent Air Duct Cleaning, evaporator coil cleaning, and duct sealing across Long Beach, CA, with hands-on experience in every Trane residential line from the XR series through ComfortLink II communicating systems. What separates our Trane work from a generic duct cleaning outfit is simple: we know what Long Beach’s salt-laden marine layer does to Trane equipment specifically, because we’ve pulled enough blower wheels and opened enough coil panels in this city to see the pattern repeat itself. Hollis Air Duct Long Beach is not affiliated with or authorized by Trane; we’re an independent provider, which means we answer to you and the airflow reading, not to a corporate warranty script. Call (562) 548-7365 for a written quote before any work begins.
Why Trust Hollis Air Duct Long Beach for Your Trane Air Duct Cleaning?
Roy Castellanos, our owner, grew up in East Los Angeles and learned the trade through the HVAC program at East Los Angeles College before spending years working on every duct configuration Long Beach throws at a tech: flex, rigid metal, and original 1950s trunks wrapped in materials you handle carefully. He built this company on one standard: the airflow leaving a job has to be measurably cleaner than what he found, and he won’t sign off until it is. His crew has served Long Beach for years, from retrofits near the Queen Mary waterfront to older tract homes in Wrigley.
What that means for your Trane system is practical familiarity. We know which Trane models pull fine dust into blower motor windings and which coil designs trap marine-layer paste. We stock OEM-compatible gaskets, filters, and access panels for Trane equipment, and we carry commercial-grade mastic and foil tape that outlasts Trane’s original foil facing in salt air. Every job gets a written price before we touch the system. Every job carries the 365-Day Done Right Promise: if the work fails within a year, we return and make it right at no charge, including a free second visit. Roy puts that in writing on every single Trane service.
Styles & brands we work with




Common Trane Air Duct Cleaning Problems We Fix in Long Beach
Long Beach’s coastal air doesn’t affect every HVAC brand the same way. Trane builds solid equipment, but the salt and humidity here attack specific components on a predictable schedule. These are the five problems we see most often on Trane systems in Long Beach:
- Trane XR series evaporator coil paste-up: The aluminum evaporator coils on Trane XR14, XR16, and XR17 air handlers collect marine-layer dust mixed with salt air. That combination forms a paste on the coil fins that hardens into a crust. Once it hardens, cooling capacity drops measurably and the system runs longer to hit the setpoint. Chemical coil cleaning restores the fin surface if you catch it before pitting starts. In Long Beach, that means cleaning on a schedule, not waiting for the symptom.
- Variable-speed blower motor dust ingestion on XL series: Trane XL16 and XL18 systems use variable-speed blower motors that pull air constantly, even at low speed for circulation. Fine dust drawn through return leaks works its way into the motor windings over time. The result is premature bearing wear and intermittent airflow error codes that read like an electrical problem when the real issue is duct leakage. Cleaning the blower and sealing the return side fixes the cause, not just the code.
- High-efficiency heat exchanger coating on Trane 90+ furnaces: Trane’s 90-plus efficiency furnaces (the S9X and S9V series) run tight heat exchangers that depend on clean airflow. When return ducts pull lint from laundry areas or carpet fibers through small leaks, that lint forms a fine gray coating on the heat exchanger surface. Heat transfer drops, the limit switch trips, and the furnace shuts down mid-cycle. A proper duct cleaning and return-side seal usually resolves it without replacing components.
- Foil-backed flex duct sagging in Long Beach humidity: Trane’s original foil-backed flex duct insulation absorbs salt moisture under the jacket in Long Beach’s humid coastal air. Over time the insulation gains weight, the flex duct sags between hangers, and airflow gets strangled in the low spots. We’ve opened ceilings in Belmont Shore and Naples Island to find flex duct that looked fine from the outside and was collapsed inside. Replacing sagged sections with rigid metal duct and mastic-sealed takeoffs fixes it permanently.
- ComfortLink II damper misalignment from dirty ducts: Trane ComfortLink II zoning systems use motorized dampers that depend on clean, accurate static pressure readings. When ducts are loaded with debris, the blower compensates and the dampers cycle out of sync, which throws off room-by-room temperatures. After a full duct cleaning and static pressure reset, the zoning system usually returns to its original calibration without replacing damper motors.
Trane Parts & Our Repair-vs-Replace Approach
We use genuine Trane filters, gaskets, and coil access panels whenever you prefer factory fit, and those parts are easy to source locally for most XR and XL systems. But for sealed duct systems, we recommend commercial-grade mastic and foil tape over Trane’s original foil facing, because the aftermarket materials hold up better in Long Beach sea air. The same goes for flex duct: when replacement is necessary, we use rigid metal duct where routing allows, because it won’t sag like foil-backed flex in humid coastal air.
When it comes to repair versus replace, we’re straight with you. We only recommend coil replacement when the aluminum fins are pitted beyond what chemical cleaning can restore, not for cosmetic oxidation that doesn’t affect performance. A coil with surface corrosion but intact fins still transfers heat. A coil with holes in the fins doesn’t. We’ll show you the difference, explain what each path costs, and let you decide. Call (562) 548-7365 for a written quote.
Our Trane Service Process – Step by Step
Every Trane job in Long Beach follows the same four-step process, and you see each step before we move to the next one:
- 1
Diagnosis: We measure static pressure, inspect the blower assembly, check coil condition with a mirror scope, and run a video inspection through the supply and return ducts. On Trane ComfortLink II systems, we also read the communicating thermostat’s error history to see if airflow codes are stacking up.
- 2
Service: We clean the blower wheel and housing, chemically clean the evaporator coil if needed, clean all duct runs, and seal leaks with mastic. For Trane XR and XL systems with foil-facing deterioration, we seal every takeoff with commercial-grade mastic rated for coastal humidity.
- 3
Test: Static pressure is confirmed against Trane’s published design spec for your model, not a generic target. We run the system through a full heating and cooling cycle and verify no limit switch trips or airflow codes remain.
- 4
Warranty: You get the written price, the written 365-Day Done Right Promise, and before-and-after video of your ducts. Roy signs off on every Trane job personally.
See the difference
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After
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Before
AfterTrane Products We Service & Install in Long Beach
Our techs service every Trane residential line you’re likely to have in a Long Beach home. That includes the Trane XR series (XR14, XR16, XR17 air handlers and heat pumps), the Trane XL series (XL16, XL18), Trane RunTru by Trane units, and Trane ComfortLink II communicating systems with zoning. We stock OEM Trane filters and gaskets for these lines locally, and we keep commercial duct sealing materials on every truck. If you need Trane repair in Long Beach, whether in Belmont Shore, Naples, Wrigley, or anywhere else in the city, we can be there with the right parts and the right testing equipment.
We Also Service These Brands
While this page covers our Trane work specifically, we’re not a single-brand shop. We service Lennox and Carrier duct systems across Long Beach with the same written pricing and 365-Day Done Right Promise. If your home has two different brands installed, one visit covers both.
FAQs – Trane Air Duct Cleaning Service in Long Beach
No. We’re an independent Trane service provider, not a Trane-authorized dealer or factory service center. That means we’re not bound by corporate service scripts or warranty paperwork. We do what the airflow reading says needs doing, and we stand behind it with our own written 365-Day Done Right Promise.
For filters, gaskets, and access panels, we use genuine Trane parts whenever you want factory fit, and we stock the common ones locally. For duct sealing materials and flex duct replacement, we use commercial-grade mastic and rigid metal that outperform Trane’s original foil facing in Long Beach’s salt air. We’ll tell you which is which before you pay for anything.
That smell is almost always biological growth on the evaporator coil or inside the duct liner. Trane XR coils run cold and wet during Long Beach’s humid summers, and the constant marine-layer moisture gives mold a foothold on the coil surface and any organic debris caught in the fins. A new filter won’t fix it because the growth is downstream of the filter. The fix is chemical coil cleaning and, if the duct liner is contaminated, duct cleaning or liner replacement. Call (562) 548-7365 and we’ll confirm what’s actually growing before quoting a fix.
Yes, with the right sequence. We set all zone dampers to full open before cleaning, which prevents the negative-air process from slamming dampers shut and stripping the actuator gears. After cleaning, we run the communicating thermostat through its damper calibration cycle and verify each zone is reading the correct static pressure. Done right, the zoning system works better after cleaning because the dampers aren’t fighting debris-loaded airflow.
It can be. The XL16 uses a variable-speed blower that’s sensitive to static pressure. When return ducts are undersized, collapsed, or plugged with debris, the blower can’t move enough air across the coil, the refrigerant pressure climbs, and the high-limit switch trips. We diagnose it by measuring static pressure against Trane’s published spec for your unit size, then video-inspecting the return side for crushed flex or blockage. If the ducts are the problem, fixing them is usually far cheaper than compressor work. Call (562) 548-7365 for a written diagnosis.
It depends on what the video inspection shows. If the inner liner is intact and the insulation isn’t waterlogged from Long Beach humidity, we can clean and mastic-seal the connections to get more years out of them. If the flex has sagged, collapsed, or the inner liner is tearing, sealing won’t help. A sagged flex duct can’t be un-sagged. We’ll show you the video and give you both numbers: clean-and-seal vs replacement. The choice is yours.
Whole-system Trane duct cleaning in Long Beach typically runs between $450 and $800, depending on the number of returns, the number of supply runs, and whether the home has zoning. Add $125 to $250 for chemical evaporator coil cleaning. Add $150 to $350 per section for flex duct replacement if sections are collapsed. These aren’t per-vent teaser prices; it’s one written price for the whole system, agreed before work starts, and it doesn’t move at the door. Call (562) 548-7365 for an exact quote, free of charge.
Book Your Trane Service in Long Beach, CA
If your Trane system is blowing weak, smelling musty, or tripping codes, call (562) 548-7365. We’ll quote a price in writing before we touch anything. Roy Castellanos and the crew at Hollis Air Duct Long Beach have been keeping Trane systems moving clean air in this city since 2004, and we also offer Trane service in Huntington Beach. Clean ducts aren’t a luxury, they’re just what the system needs to do its job.
Written by Roy Castellanos, Owner at Hollis Air Duct Long Beach, serving Long Beach since 2004.