Supply Duct Cleaning in Katy, 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 Katy, TX

Supply duct cleaning focuses on the duct runs that carry conditioned air from your HVAC system outward to every room in your home – the delivery side of your air distribution network. In Katy, TX, where homes run their systems hard through eight-plus months of cooling season, those supply runs accumulate dust, debris, and in older builds, a surprising amount of biological growth at the first and second elbows closest to the air handler. CleanRun Air Duct Cleaning Katy cleans supply ducts with our Air Duct Cleaning services, using negative-pressure extraction equipment from Rotobrush and Nikro, photographs the interior of every run before and after work begins, and delivers a written price before a single panel comes off the wall.

If you want the full picture of how supply duct cleaning fits into a complete system service, start with our Air Duct Cleaning in Katy page. If you already know what you need and want a number in writing, call (346) 666-7165 – a live person answers, every call, every time.

Supply duct cleaning in Katy typically costs between $180 and $420 depending on system size, number of supply runs, and what the camera finds at the plenum connection. Most single-story homes in the 1,800-2,400 sq ft range that are common in Grand Lakes, Pine Mill Ranch, and Cinco Ranch fall in the $210-$310 range. CleanRun has completed this work in more than 52,000 homes since 2013, every one with a written price before work started and a documented photo record when the crew left.

What Supply Ducts Actually Do (and Why They Get Dirty)

The supply side of your duct system begins at the supply plenum – the main distribution box mounted directly on your air handler – and branches outward through individual duct runs that terminate at the supply registers you see on your ceilings or floors. Every cubic foot of conditioned air your system produces travels through those runs before it reaches the room.

That airflow carries with it whatever particles bypass the filter: fine construction dust in newer Katy builds, pet dander, textile fibers, and in homes with any humidity intrusion, organic debris that settles at low points and elbows. Katy’s clay-heavy soil shifts seasonally, and slab-on-grade homes in communities like Firethorne and Falcon Point occasionally develop small gaps at duct connections as the structure moves – those gaps let unconditioned attic air enter the supply side. When that happens, the camera shows a distinctive ring of debris at the breach point, not just at the elbow.

None of that is visible from outside the system. It only shows up when you put a camera in the duct. CleanRun puts one in before any work starts – that Video Inspection is not optional, it is how we write an accurate price.

When You Need Supply Duct Cleaning

• Uneven airflow between rooms: If the bedroom at the end of a long supply run feels noticeably warmer or cooler than rooms closer to the air handler, debris accumulation at duct bends is a likely contributor. In two-story Katy homes, the upstairs supply runs are often the first to show this problem because they are longer and make more directional changes.
• Visible dust discharge at supply registers: A thin grey ring around a ceiling register means the duct is releasing accumulated material when the system kicks on. This is one of the more clear-cut indicators that the supply side needs attention, not just the return side.
• Recent renovation or new construction: Katy’s pace of new construction – particularly in the Elyson, Cane Island, and Jordan Ranch communities – means plenty of homes less than five years old already carry drywall dust and construction particulate inside the supply runs from installation and early-build work. Builders do not clean ducts before handover.
• HVAC system replacement without duct cleaning: When a Katy homeowner installs a new Honeywell-compatible system or replaces an aging air handler, the existing supply duct debris gets redistributed at higher velocity by the new, properly sized equipment. The duct cleaning should have happened before the new system ran its first cycle.
• Musty or stale odor from specific registers: A localized odor coming from one or two supply registers, rather than the whole system, often points to biological growth in that particular run. Katy’s humidity levels – averaging around 75% relative humidity through the summer – create conditions where this develops faster than most homeowners expect, especially in ducts that have any condensation accumulation at uninsulated sections.
• More than five years since last cleaning, or never cleaned: The EPA’s general guidance on duct cleaning frequency becomes more relevant in climates like Katy’s, where the system runs year-round rather than seasonally. A duct system that has never been cleaned in a ten-year-old home in Katy has typically seen enough airflow cycles to accumulate meaningful debris at every elbow and low point.

Before

After

Our Supply Duct Cleaning Process

1. Camera inspection before any price is committed: Before we write the job number, a technician puts an inspection camera into the supply plenum and documents what the duct interior looks like at multiple points. That footage is yours – it becomes part of your job record. What the camera finds determines the scope; what the scope determines is the written price. Haven Standard Clause 1 is non-negotiable: no work starts without a written price in the customer’s hand.
2. System isolation and negative-pressure setup: The supply side is isolated from the return side, and a Nikro or Rotobrush negative-pressure unit is connected at the plenum. Negative-pressure extraction means air moves from the duct interior toward the collection unit rather than toward your living space – debris comes out the system, not into the room. The equipment runs at NADCA-recommended airflow levels for the duct diameter in use.
3. Mechanical agitation at each supply run: Each supply run is accessed at the register end, and a rotary brush or compressed-air whip – sized to the duct diameter – agitates debris off the interior duct walls. Katy homes built between 1995 and 2010 frequently have flexible duct runs that require a softer agitation approach; homes built before 1990 in older Katy neighborhoods like Nottingham Country often have rigid sheet metal that responds better to direct mechanical contact. The technician selects the method based on what the camera showed, not a standard script.
4. Plenum and trunk line cleaning: The supply plenum – the distribution box at the air handler – and any trunk lines feeding multiple branch runs are cleaned separately. In Katy homes with attic-mounted air handlers, the plenum often carries the heaviest debris load because it sits in the hottest part of the attic and sees the most airflow turbulence. This step takes longer than most homeowners expect, and that time is already accounted for in the written price.
5. Post-cleaning camera verification: After extraction is complete, the camera goes back into every run that was cleaned. The before and after photographs are documented side-by-side and delivered to the customer as part of the standard job record. If a run does not look right in the post-cleaning image, the technician re-runs it before closing the job. The 365-Day Done Right Promise is backed in writing on every job – but the post-cleaning verification is the mechanism that makes a callback unlikely.
6. Register and grille reinstallation and airflow check: Supply registers are reinstalled, the system is restarted, and airflow is checked at each register. If a run that showed restricted flow before cleaning is still underperforming after, the technician documents it and notes whether the cause is duct condition (cleaning issue) or duct geometry (a repair or sealing issue that gets a separate written scope). Katy homes with long second-story supply runs sometimes need balancing damper adjustments, which is outside the scope of cleaning but gets noted in the job record so the customer has the full picture.

Supply Duct Cleaning Pricing in Katy

Supply duct cleaning in Katy, TX is priced by the number of supply runs, the duct type (rigid versus flexible), access conditions, and what the pre-work camera inspection finds. The written price is in your hand before the first panel comes off – that is Haven Standard Clause 1, and there are no exceptions to it.

What can push a job toward the higher end of a range: heavy biological growth requiring a sanitizing treatment (quoted separately under its own written line item), significant debris at the plenum or main trunk requiring extended extraction time, or access restrictions in attic-mounted systems common to newer Katy builds in communities like Elyson where air handlers are in tight attic chases.

What does not affect the price after the written quote is issued: how long the job takes, whether the crew needs to make a second pass on a run, or anything else within the defined scope. The written number is the number.

CleanRun also offers a free second opinion on any written estimate from a competitor. Bring the quote, and we put our own number next to it in writing – no pressure, no sales call wrapped around it.

Key Takeaways

• Supply duct cleaning targets the delivery side of your system: the plenum, trunk lines, and individual runs feeding each supply register.
• In Katy, most single-story homes fall in the $210-$310 range; two-story and larger homes typically run $295-$420.
• CleanRun uses negative-pressure extraction with Rotobrush and Nikro equipment – debris moves out of the system, not into the room.
• Every job includes a pre-work camera inspection, a written price before work starts, and a post-cleaning photo record of every run.
• The 365-Day Done Right Promise is written on every job – not a marketing line, a contractual commitment.
• Katy’s climate and new-construction pace make supply duct cleaning more relevant here than in many other markets – high humidity, long cooling seasons, and builder debris left in new duct systems are all real factors.

FAQs – Supply Duct Cleaning in Katy, TX

How much does supply duct cleaning cost in Katy?

For details on pricing, see How Much Does Air Duct Cleaning Cost? (2026 Price Guide) - Katy, TX. Supply duct cleaning in Katy typically costs between $180 and $420, depending on the number of supply runs, duct type, and what the pre-work camera inspection finds. Most mid-size single-story homes in Katy – common floor plans in Cinco Ranch, Grand Lakes, and Falcon Point range from 1,800 to 2,400 sq ft – fall in the $210-$310 range. CleanRun delivers the exact number in writing before any work starts. Call (346) 666-7165 and a live person will schedule your inspection and written quote.

Is supply duct cleaning different from return duct cleaning?

Yes – supply ducts deliver conditioned air to each room, while return ducts pull room air back to the air handler. They have different debris profiles and require different access points. Supply ducts in Katy homes tend to accumulate finer particulate and, in homes with any duct breach, attic dust – while return ducts often carry heavier loads of pet hair and household dust. A full duct cleaning service addresses both sides; this page covers the supply side specifically. The parent Air Duct Cleaning in Katy page covers both supply and return as part of a complete system service.

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

For a single-story Katy home with 10-14 supply runs, the job typically takes 2.5 to 4 hours. Two-story homes with 16-22 runs or attic-mounted systems with restricted access run closer to 4-6 hours. The pre-work camera inspection and post-work photo documentation are included in that time – they are not extras that get added to the bill. The written price accounts for the full job duration before work starts.

Can dirty supply ducts affect my energy bill in Katy?

Debris buildup inside supply runs restricts airflow, which causes the air handler to work harder and longer to meet the thermostat setpoint. In Katy, where systems run heavily from April through October, that added runtime has a real effect on monthly utility costs. The pre-work camera inspection will show whether airflow restriction is likely; if the duct interior looks clear, we will tell you that too – a clean duct is a clean duct, and CleanRun does not manufacture a problem where none exists. Call (346) 666-7165 to schedule a camera inspection with a written quote at no obligation.

CleanRun Air Duct Cleaning Katy: What Sets This Work Apart

CleanRun was established in 2013 and has cleaned ducts in more than 52,000 homes across the Houston metro area, including a substantial portion of the Katy, TX market. Tomas Reyes built the company on a straightforward premise: show the customer what is in the duct before asking them to pay to clean it. Every technician operates under the H.A.V.E.N. Standard, is background-checked, arrives in uniform, and is identified by name before entering the home. Haven Standard Clause 3 – Verified Crews – is not an aspiration, it is the operating procedure.

The equipment roster includes Rotobrush and Nikro extraction systems alongside Honeywell-compatible diagnostic tools – professional-grade equipment that customers can look up independently. CleanRun does not use residential shop vacuums or consumer-grade blowers on commercial jobs, and the post-cleaning photo record will show you the difference.

The 365-Day Done Right Promise means that if a run was not cleaned to the documented standard visible in the post-job photos, CleanRun comes back and makes it right. That commitment is in writing on every job ticket, not subject to manager approval.

Katy homeowners researching this service can also compare our written estimate against any competitor’s – bring a written quote from anyone else, and CleanRun puts its number next to it in writing. No phone games, no ‘call for a quote.’ The number is on the paper before work starts, every time, on every job.

To schedule a camera inspection and receive a written price for Air Duct Cleaning Near Me in Katy, TX at your home, call (346) 666-7165. A live person answers every call.

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