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.
Guardsman Dryer Vent Cleaning in Los Angeles: What to Know First
Guardsman dryer vent cleaning in Los Angeles typically costs $129 – $249 for a full system cleaning, depending on vent length, accessibility, and how long it’s been since the last service. We complete most Guardsman dryer vent jobs in a single visit, usually 60 – 90 minutes for a standard residential run. As an independent Guardsman service provider, Hollis Air Duct Cleaning gives you a written price before any work starts, and every job carries the 365-Day Done Right Promise in writing.
This page is for Los Angeles homeowners who own a Guardsman dryer vent system or Guardsman filtration products and want them maintained correctly. If your dryer is taking longer to dry clothes, the laundry room feels humid, or you smell something warm when the dryer runs, call (361) 326-5060. Roy Castellanos and our crew know these systems from the vent cap back to the lint trap.
How Guardsman Products Fail – and How We Fix Them
Guardsman makes a range of venting and filtration components that end up in Los Angeles laundry rooms. Here’s what we actually see in the field on Guardsman jobs, and what we do about it.
- Guardsman dryer vent caps with stuck or frozen backdraft flaps. These caps are common on Guardsman venting kits installed in the mid-2000s through the 2010s. The flap hinge collects lint and dust, then seizes. When the flap can’t open, the dryer can’t push air out. We remove the cap, clean the hinge seat, and replace the cap if the plastic hinge has degraded. A new vent cap runs $35 – $85 installed.
- Guardsman transition ducts that weren’t rated for the dryer’s output. Some Guardsman kits shipped with foil transition hose that kinks when pushed back behind the dryer. A kinked transition duct is a lint trap and a heat trap. We replace it with a rigid or semi-rigid metal transition, cut to length so the dryer sits back properly. That’s a $45 – $95 part, no markup games.
- Guardsman venting with undersized wall passages in older Los Angeles homes. Homes built before 1990 in neighborhoods like West Adams, Mid-City, and the Valley often have 3-inch wall chases where a modern 4-inch vent should be. Guardsman components sometimes get adapted down to fit, and airflow suffers. We check for the bottleneck, and when the home’s construction allows, we reroute to a full 4-inch run. When it doesn’t allow, we tell you straight and adjust the cleaning schedule accordingly.
- Guardsman filtration media that’s doing nothing because the vent is clogged upstream. Some Guardsman in-line filters are designed to grab lint before the vent. But when the vent itself is clogged, the filter just masks the real problem. In Los Angeles, where dryers run year-round and lint combines with the region’s fine dust, vents clog faster than most owners expect. We clean the entire run, then check the filter so it works as designed instead of fighting a losing battle.
- Guardsman roof-vented systems picking up extra debris from Los Angeles wind and eucalyptus trees. Roof terminations collect leaves, seed pods, and urban grime on top of the standard lint load. We see this most in hillside neighborhoods like Mount Washington, Echo Park, and Silver Lake, where eucalyptus debris is relentless. A clogged roof cap acts like a wall. We clean the full vertical run and replace the cap with one that has a proper bird guard when needed.
Our Guardsman Dryer Vent Cleaning Process
Every Guardsman job follows the same sequence. You’ll know the price before we touch anything, and you’ll see the work after.
- 1
You call, we schedule. A live person answers at (361) 326-5060, even at 2 a.m. We book a window that works, and we show up inside it.
- 2
We inspect the full run. From the dryer connection to the termination point, we check diameter, length, material, and condition. We’re looking specifically at how the Guardsman components are integrated and where the failure points are.
- 3
We confirm the written price. Before any work starts, you get the number. It doesn’t move once the Rotobrush rotary brush system comes out of the van.
- 4
We clean the vent with a rotary brush and negative-air machine. The Rotobrush spins through the duct while the Nikro negative-air unit captures what we remove. For lint-packed runs, this is the standard that gets results you can see.
- 5
We replace worn Guardsman components as needed. If the vent cap is shot, we show it to you before we swap it. OEM Guardsman parts work fine when they’re available locally; quality aftermarket equivalents from brands we trust are offered when they’ll do the job without a downgrade.
- 6
We test airflow and document the work. Before-and-after photos of your ducts, airflow verification, and a clean site. The 365-Day Done Right Promise covers every part of what we did, in writing.
What Guardsman Dryer Vent Cleaning Costs in Los Angeles
Here’s the honest range for Los Angeles, where vent runs vary from short wall penetrations to long roof terminations.
| Service | Typical Los Angeles Price |
|---|---|
| Dryer vent inspection + full cleaning (standard single-story, wall termination) | $129 – $189 |
| Dryer vent cleaning with roof termination (two-story homes, hillside neighborhoods) | $169 – $249 |
| Vent cap replacement (OEM Guardsman or quality aftermarket) | $35 – $85 installed |
| Transition duct replacement (rigid or semi-rigid metal) | $45 – $95 installed |
| Bird guard installation | $45 – $75 |
| Full vent rerouting (when existing path fails inspection) | $350 – $750, quoted before work starts |
What moves the price: vent length, access difficulty, roof work, and whether components need replacing. What doesn’t move the price: how persuasive a technician is. The number you get written down before work starts is the number you pay. Call (361) 326-5060 for a free estimate.
Why Los Angeles Homeowners Call Hollis Air Duct Cleaning for Guardsman Work
Los Angeles is a dense market for service companies, which means a lot of outfits can talk. We’d rather show the standard we run on. Every job gets the written price and the 365-Day Done Right Promise, which means if the work fails within a year, we come back at no charge, including a free second visit. The technicians are background-checked and uniformed. They arrive inside the quoted window, not within some vague “sometime Thursday” window.
Roy Castellanos grew up in Boyle Heights and learned the mechanical trades at Los Angeles Trade-Technical College. He’s spent years working on HVAC and venting systems across Los Angeles County. We don’t just service Guardsman, either. When we’re in a home, the Lennox, Trane, or Carrier components get a look too. Clean ducts, straight answers, that’s the whole job.
FAQs
Most Guardsman dryer vent cleanings in Los Angeles run between $129 and $249 for the full system. The variables are vent length, roof access, and whether components like vent caps or transition ducts need replacing. You get a written price before work starts, and that number doesn’t move. Call (361) 326-5060 for a free estimate.
Cheaper quotes usually come from crews using a shop vac and a hose to clear the first few feet of the vent, which leaves the buildup farther down the run untouched. We use rotary brush systems in combination with negative-air machines, which is what commercial crews use. The price reflects a complete job, not the first visible foot of the duct.
We photograph before and after. Your own ductwork, your before-and-after. No mystery about what was paid for. The 365-Day Done Right Promise also covers the work in writing for a full year, including a free second visit if anything fails.
Routine dryer vent cleaning doesn’t void a Guardsman warranty. In fact, clogged vents are one of the most common causes of dryer failure and heat-related damage, which warranties typically don’t cover. We follow the manufacturer’s intended venting specifications and use methods that don’t damage the existing components.
In Los Angeles, we recommend every 12 to 18 months for most households. If you run the dryer daily, live in a hillside neighborhood with heavy foliage, or have a long roof-terminated vent, clean it every 12 months. The street dust and lint combine faster in this climate than most owners expect. Call (361) 326-5060 to schedule.
Written by Roy Castellanos, Owner, Hollis Air Duct Cleaning at Hollis Air Duct Cleaning, serving Los Angeles and nearby areas.




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