Supply Duct Cleaning in Leander, TX

Every visit starts with

Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents

Worth knowing

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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Before & after – our own jobs

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Supply Duct Cleaning in Leander, TX

Supply duct cleaning focuses on the pressurized side of your HVAC system – the duct runs that push conditioned air from your air handler outward to every room in the house. In Leander, TX, where clay-heavy soils keep construction dust airborne for months after a new development goes up, and where homes built between 2015 and 2022 in neighborhoods like Crystal Falls and Travisso were often sealed up before interior finishing was complete, supply ducts accumulate debris at a rate most homeowners don’t expect. A full Air Duct Cleaning in Leander covers both supply and return sides; this page covers supply specifically – because the two sides have different contamination patterns, different cleaning methods, and different consequences when neglected.

Supply duct cleaning in Leander typically costs $280 to $520 for a standard single-story home, depending on duct count, system age, and debris load. Most jobs are completed in a single visit, and every job at CleanRun ends with a written price before anything is touched and a documented photo record of every run when the crew leaves.

If you want a written number before making any decision, call (737) 252-1285 – a live person answers, not a voicemail queue.

What Supply Ducts Actually Do – and Why They Get Dirty Differently

Your HVAC system moves air in a loop. The return side pulls air from the living space back to the air handler, passes it through a filter, conditions it, and pushes it out through the supply side. Supply ducts are under positive pressure – they’re always pushing. That means every pinhole gap, every poorly sealed boot, and every loose elbow joint becomes an entry point for attic dust, blown insulation fibers, and construction particulate to be pulled in from outside the system and distributed directly into your living space.

Return ducts get dirty from whatever the filter misses. Supply ducts get dirty from what bypasses the system entirely – and in Leander’s building stock, where flex duct transitions and sheet-metal plenums were often installed quickly during the post-2016 construction boom in Bryson, Bar W Ranch, and Mason Hills, bypass contamination is common. The debris we photograph most often in Leander supply runs: blown fiberglass insulation fragments at the first elbow off the plenum, drywall compound dust compacted at low-slope sections, and a fine grey particulate that accumulates at register boots where static pressure drops.

A plenum, for reference, is the main distribution box attached directly to your air handler – every supply duct run branches off it. When the plenum has debris, every room in the house gets a share of it on every cycle.

When You Need Supply Duct Cleaning

• Visible dust discharge at supply registers. If you can see a grey halo forming on the ceiling paint around a register, the debris load in that duct run has reached the point where airflow turbulence is carrying particles out faster than they settle. In Leander homes built after 2015, we see this most often in upstairs bedrooms where shorter duct runs mean higher exit velocity.
• Uneven room temperatures that your thermostat can’t explain. Partial blockages in supply runs reduce airflow to specific zones. Before blaming the HVAC equipment, it’s worth documenting what’s inside the duct – a camera inspection shows whether the problem is mechanical or debris-related.
• Post-construction or post-renovation cleaning. Leander’s growth along 183A and near the new HEB development corridors means a lot of homes have had room additions or kitchen remodels in the last five years. Drywall dust travels through HVAC systems during renovation and compacts at elbows and transitions. If the ducts weren’t cleaned after the work was done, they haven’t been cleaned.
• A home purchase with no service records. A large share of CleanRun’s Leander calls come from buyers who closed on a home in the last twelve months and have no documentation that the system was ever cleaned. If the seller couldn’t produce a duct cleaning record, the reasonable assumption is the supply runs haven’t been touched since installation.
• Allergy or respiratory symptoms that improve when you leave the house. Supply ducts push air directly at breathing height. If a household member’s symptoms track closely with time spent at home – and the HVAC is running – the supply side is a logical place to start with documentation before pursuing more expensive medical or environmental testing.
• System age over eight years with no prior cleaning. Leander’s climate means the HVAC runs eight to nine months of the year. That runtime accelerates debris accumulation relative to milder markets. For systems installed before 2017, the inside of a supply run that’s never been cleaned typically shows at minimum a visible dust film on duct walls and compacted material at the first directional change off the plenum.

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After

Our Supply Duct Cleaning Process

1. Written price and documented scope before any work starts. This is Haven Standard Clause 1 – not a policy subject to manager approval, but a written commitment delivered to every customer before a single panel comes off the wall. The price you receive accounts for your actual duct count, system layout, and anything the pre-inspection camera shows. There are no upcharges that weren’t in the written scope.
2. Pre-clean camera inspection of each supply run. A Rotobrush inspection camera goes into every supply run before cleaning begins. We photograph the plenum, the first elbow, the mid-run section, and the register boot. You see what we see – the actual debris load, its location, and its character – before we make any recommendation. If the duct looks clean, we say so, and you pay nothing for that run.
3. Negative-pressure extraction setup. Negative-pressure extraction means we attach a high-volume collection unit to the system and create a controlled vacuum inside the duct network before agitation begins. This is the critical step that separates professional cleaning from shop-vac noise – when the system is under negative pressure, dislodged debris travels toward the collection point rather than redistributing into the living space. Our collection equipment from Nikro creates the sustained airflow volume this process requires.
4. Mechanical agitation of each supply run. A rotating brush system moves through each duct run, breaking the bond between debris and duct wall. In Leander’s older flex-duct systems – which have a corrugated inner lining that traps fine particulate in its ridges – this step is where most of the material is actually recovered. Rigid sheet-metal runs get a different brush profile than flex; the process adapts to what’s there, not to a single default setting.
5. Register boot and diffuser cleaning. Register boots are the metal boxes where the duct terminates at the register opening. They’re typically the dirtiest point in the supply run because static pressure drops there and debris settles. Each boot is cleaned separately, and the register face is wiped down before reinstallation.
6. Post-clean camera documentation and photo record delivery. After cleaning, the inspection camera goes back through every run we touched. The before and after photographs are compiled into a job record and delivered to you as a standard deliverable – not on request, not as an upgrade. Every CleanRun job has included this documentation since 2013. The photo record is the written evidence that distinguishes real work from a truck that ran loud for ninety minutes.

Supply Duct Cleaning Pricing in Leander

Supply duct cleaning in Leander, TX costs $280 to $520 for most single-story homes. Two-story homes and systems with higher duct counts run $420 to $680. These are the ranges we see regularly in Leander’s housing stock; for full details see How Much Does Air Duct Cleaning Cost? (2026 Price Guide) - Leander, TX, and your written price will reflect your specific system, not a bracket.

What affects your number: duct count is the primary driver. After that, system age (older systems with flex duct in poor condition take longer to clean properly), debris character (post-construction particulate versus standard dust accumulation), and access (attic-run systems in Leander’s slab-on-grade homes are standard; homes with partial crawl-space runs in older sections of Leander near US-183 can add access time).

What does not affect your number: the condition we find when the camera goes in. Some companies use the inspection to generate upcharges. At CleanRun, the written price you receive before work starts is what you pay. If the camera shows something outside the original scope, we show you the photo, explain what it means, and write a new price before touching it. You decide. Haven Standard Clause 1 holds on every job, including the ones where the camera finds something unexpected.

If you have a written estimate from another company, bring it. We’ll put our written number next to theirs – free second opinion, no strings.

To get your written price, call (737) 252-1285.

FAQs – Supply Duct Cleaning in Leander

How is supply duct cleaning different from a full air duct cleaning?

Supply duct cleaning addresses only the pressurized output side of your HVAC system – the runs that carry conditioned air from the air handler to each room. A full Air Duct Cleaning in Leander covers both supply runs and return runs, plus the plenum and air handler cabinet. Cleaning supply only makes sense when the return side has documented service history or when the pre-inspection camera shows the return ducts are within acceptable condition. If you’re unsure which scope fits your system, the pre-clean camera inspection answers the question with photographs rather than guesswork. Call (737) 252-1285 and we’ll walk through what the camera typically shows in homes like yours before you commit to a scope.

How much does supply duct cleaning cost in Leander?

Supply duct cleaning in Leander costs $280 to $520 for most single-story homes and $420 to $680 for two-story homes, depending on duct count and debris load. The written price you receive before work starts is the price you pay – no inspection upcharges. For an exact written number specific to your home’s duct count and system layout, call (737) 252-1285 or learn more about Air Duct Cleaning Near Me in Leander, TX.

Can supply ducts be cleaned without cleaning the return side at the same time?

Yes. Supply and return ducts are mechanically separate sections of the system and can be cleaned independently. That said, if the pre-clean camera shows the return side is also carrying significant debris, cleaning supply only means your return ducts are still distributing particulate through the air handler and back into the supply runs within a few months. We show you the Video Inspection footage from both sides before recommending a scope – the decision stays with you. Call (737) 252-1285 for a written price that covers the specific scope you choose.

How long does supply duct cleaning take in a typical Leander home?

A single-story Leander home with 10 to 14 supply runs typically takes 2.5 to 3.5 hours from inspection through final documentation. Two-story homes with higher duct counts run 3.5 to 5 hours. Post-renovation jobs with heavy compacted debris take longer because the agitation pass needs more time at each elbow. The job is done when every run has a before-and-after photo set – not when the clock hits a target. Call (737) 252-1285 for a time estimate specific to your home’s layout.

Why Leander Homeowners Work with CleanRun

CleanRun Duct Repair and Cleaning has operated under the Haven Standard since 2013 and has documented the inside of supply runs in more than 52,000 homes. Tomas Reyes built the company’s operating model around one observation: most homeowners who’ve had their ducts “cleaned” before have never seen a before photo. They were told the work was done. They were not shown what was found, what was removed, or what was left behind.

The documented photo record is not a marketing feature. It’s how CleanRun holds itself accountable to a written standard – the 365-Day Done Right Promise – that covers every job, in writing, for a year after the truck leaves. If a supply run we cleaned shows debris at re-inspection within 365 days of our visit, the correction is on us. No manager approval required. It’s written on the job record you receive when we’re done.

Technicians are background-checked, arrive in uniform, and are identified by name before arrival – Haven Standard Clause 3: Verified Crews. Equipment on Leander jobs includes Rotobrush inspection and agitation systems and Nikro collection units – brands you can look up independently to verify what “professional-grade” means in practice.

To schedule a written-price supply duct cleaning visit or to get a free second opinion on an estimate you’ve already received, call (737) 252-1285. A live person picks up.

Key Takeaways

• Supply duct cleaning covers the pressurized output side of your HVAC system – the runs that push conditioned air into every room.
• In Leander, TX, construction growth in Crystal Falls, Bryson, and Travisso has left post-construction debris inside supply runs of many homes built between 2015 and 2022.
• Typical pricing: $280 to $520 for single-story homes; $420 to $680 for two-story homes. Written price delivered before any work starts, every time.
• Every job includes a pre-clean and post-clean camera documentation of each supply run – delivered as a standard part of the job record.
• The 365-Day Done Right Promise covers every supply duct cleaning job in writing for one year after completion.
• To get a written price or a free second opinion, call (737) 252-1285.

Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Leander, serving Leander.