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.
Guardsman Air Duct Cleaning in Austin: What to Know First
Guardsman air duct cleaning in Austin typically runs $390 to $690 for a full residential system, with most jobs completed in a single visit lasting 3 to 5 hours. We’re an independent Guardsman service provider, not a factory-authorized dealer, which means we can be straight with you about what your system actually needs without warranty-policy pressure. If your Guardsman system has been moving air through the same ducts for five years or more, the odds are good that the inside of those ducts looks a lot different than you’d expect. Call (940) 461-7203 and we’ll give you a flat price before anyone touches a panel. This page is written for Guardsman owners in Austin who want to know what cleaning their system involves, what it costs, and what could go wrong if it’s skipped too long.

How Guardsman Products Fail – and How We Fix Them
Guardsman is a filtration and indoor air quality line most often installed as a retrofit on existing forced-air systems in Austin homes. The failure modes we see aren’t usually the Guardsman components themselves. They’re what happens around them when the ductwork carrying treated air is dirty. After two decades of opening these systems, Marcus Veale can usually predict what we’ll find before the access panel comes off.
- Guardsman media filter housings with a dirty downstream coil. On systems running Guardsman media cabinets, we regularly see filter bypass around the edges of the housing itself. Air sneaks past the filter, carries fine dust onto the evaporator coil, and from there into the supply ducts. The homeowner assumes the Guardsman filter is catching everything, but the ducts tell a different story. We clean the full supply side and check the housing gaskets while we’re in there.
- UV purifier installs that masked a leaky return plenum. Homes near Barton Creek or along the greenbelt fight humidity and dust year-round. When a Guardsman UV purifier was added to address odor or allergy complaints, the real culprit is sometimes a return duct pulling attic or crawlspace air. UV treats air that passes through the unit. It does nothing for dust and spores entering downstream of the treatment point. We trace the source, seal it, and clean what’s already inside.
- Dust loading on Guardsman carbon filter screens. Carbon media does its job by adsorption, but a carbon screen that has been filtering dirty duct air for years can be caked enough to restrict airflow. In Austin’s pollen season, we see carbon screens loading up fast. Cleaning the ducts properly takes that load off the Guardsman components so they run closer to design airflow.
- Supply runs that were never sealed after the Guardsman install. This one shows up on retrofits. The technician who installed the Guardsman system connected it cleanly, but the original supply duct connections further down the line were left as they’d been for twenty years: loose at the boot, unsealed at the plenum. The homeowner gets a great filtration system feeding air into ducts that lose pressure and pull in dust from wall cavities. We clean the system and seal the runs with duct mastic, which fixes the actual problem.
- Return air short-circuiting in older Central Austin homes. Homes built in the 1960s and 1970s around Crestview, Allandale, and Brentwood often have returns that pull from a single central hallway. That puts the indoor air quality burden entirely on the Guardsman components, because the ducts move what is effectively the same air in a loop. When the loop is dirty, the system is cleaning dirty air and recirculating whatever got missed. Cleaning the full return path resets what the Guardsman equipment has to work against.
Styles & brands we work with




Our Guardsman Air Duct Cleaning Process
Marcus runs every Guardsman job with the same discipline. The equipment matters less than knowing where the air is actually going.
- 1
Scope the system first. We ask where airflow feels weak, where rooms run hotter, what the last filter change looked like. Then we walk the duct layout before opening anything.
- 2
Video inspection before cleaning. We put a camera in the supply and return main lines and show you what’s there. You see what we see. That footage is your baseline and your proof.
- 3
Negative-pressure extraction. We run a commercial Rotobrush and Nikro setup that puts the system under negative pressure while agitation tools loosen debris from the duct walls. The containment system prevents anything from blowing back into the living space.
- 4
Air-wash the Guardsman components. Housing, media racks, and accessible purifier surfaces are cleaned by hand with HEPA-filtered equipment. We don’t wash carbon screens with water unless the manufacturer’s documentation says it’s safe; most get a dry-air cleaning.
- 5
Airflow test at the registers. Before we call a job done, we verify airflow at each supply register and the return grille. If numbers don’t look right, we don’t leave. The written quote included this test, and the written report includes your numbers.
- 6
Post-cleaning photo and report. You get before-and-after photos of the inside of your own ducts, plus a written summary of what we found and what we did. If anything in a repair fails within 365 days, we return under the Done Right Promise and make it right at no charge.
See the difference
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AfterWhat Guardsman Air Duct Cleaning Costs in Austin
Guardman air duct cleaning costs in Austin vary by home size and how long it’s been since the last cleaning. Here is our honest flat-rate structure. The price is written before work starts, and it doesn’t change unless the job scope changes and you approve it in writing first.
| Job Type | Typical Austin Home | Flat Price Range |
|---|---|---|
| Full system clean (supply + return) | 1-2 systems, up to 12 vents | $390 – $520 |
| Full system clean (larger home) | 2 systems, 13-20 vents | $520 – $690 |
| Return duct cleaning only | Single return, older build | $180 – $280 |
| Supply duct cleaning only | Single system | $220 – $340 |
| Add-on: video inspection report | Any job | Included with full clean |
| Add-on: duct sealing (per run) | Where leakage is found | $45 – $95 per run |
Price moves with the number of systems, total vent count, access difficulty, and whether repairs like sealing or boot replacement are needed. Call (940) 461-7203 for an exact quote. Estimates are free, and the number we quote is the number you pay.

Why Austin Homeowners Call Linden Air Duct Austin for Guardsman Work
The tech who shows up at your door is the whole ballgame. That’s why we send the name and photo of your technician before the visit, and that technician shows a photo ID badge at the door. Every tech is background-checked and identity-verified to the Threshold Standard, the protocol we have operated under since 2004 as part of the Threshold Group family. Marcus learned HVAC fundamentals at Los Angeles Trade-Technical College, then spent years in the field before narrowing his focus entirely to duct cleaning. His approach is simple: “Tell me what the system is doing, and I’ll tell you what it needs – no upsell, no alarm, just the straight answer.” We also work on systems paired with Lennox, Trane, and Carrier equipment, so we know how Guardsman components integrate with the most common HVAC brands in Central Texas. Every repair carries a written 365-day guarantee, and if a covered repair doesn’t hold, we return for the second visit free.
FAQs
No. Air duct cleaning performed with proper negative-pressure extraction and non-invasive tools does not void Guardsman component warranties. We are an independent Guardsman service provider, so we follow widely accepted industry practices that protect the equipment and the ducting. If a specific warranty concern comes up, ask us before the job and we’ll walk you through what is and isn’t covered.
You get before-and-after video and photos of the inside of your ducts, including the Guardsman housing and any accessible purifier surfaces, on every full-system job. The report shows exactly what we found and what we did. If you want to be in the room while we scope and clean, you’re welcome to watch. The footage is your proof, and it’s included in the flat price.
Most low quotes in the Austin market are for a basic blow-and-go: a vacuum hose in the return, no agitation, no seal work, no video, no written report. Some crews price per vent and then add charges on site. We price one flat fee for the whole system, put it in writing before work begins, and the price doesn’t move unless you approve a change in writing. If you compare quotes, ask what is included and what the before-and-after proof looks like. Then call (940) 461-7203 and let us give you a straight number.
In Austin, with our pollen loads and humidity swings, we recommend a full duct cleaning every 3 to 5 years for most homes. Houses backing up to the Barton Creek Greenbelt or with pets, recent renovations, or allergies tend to need it closer to every 3 years. If you can see dust accumulating on registers within a month of cleaning them, that’s a sign the ducts are carrying more than they should.
In most cases, yes. We schedule duct cleaning as a scheduled job, not an emergency call. When you call (940) 461-7203, we’ll give you a written estimate and we can usually get a technician out within the week, depending on the season and your neighborhood.
Written by Marcus Veale, Owner, Linden Air Duct Austin at Linden Air Duct Austin, serving Austin and nearby areas.