Whole-home duct cleaning
Dryer vent cleaning
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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.
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Before
AfterSupply Duct Cleaning in Santa Clarita, CA
Supply duct cleaning in Santa Clarita removes years of built-up dust, pet dander, and construction debris from the ducts that carry conditioned air from your furnace or AC unit into each room. A full supply-side cleaning for a typical single-family home in Santa Clarita runs between $450 and $950, with most jobs completed in 4 to 7 hours. See our full How Much Does Air Duct Cleaning Cost? (2026 Price Guide) - Santa Clarita, CA for detailed pricing factors. We’re Hollis Air Duct Santa Clarita, locally owned and operated with live phone support at (661) 523-0295, and we’ve been doing this work since 2004 as part of the Garrison Partners family.
This page covers exactly what supply duct cleaning involves, when it’s worth doing, what it costs in Santa Clarita, and how our process differs from the bait-and-switch crews you may have heard about. If you want a broader look at how the whole system works together, see our Air Duct Cleaning guide, which covers return-side and full-system work as well. For a Santa Clarita specific overview, our Air Duct Cleaning in Santa Clarita page goes deeper on local conditions.
Supply ducts are the “blow” side of your HVAC system. Return ducts pull air in; supply ducts push conditioned air out through the registers in your floors, walls, or ceilings. Because supply ducts move air that has already passed through your filter, many homeowners assume they stay clean. That assumption is usually wrong. In Santa Clarita’s dry, dusty climate, especially in neighborhoods like Valencia, Canyon Country, Saugus, and Newhall, fine dust settles inside supply ducts year after year, then re-enters living spaces every time the blower kicks on.
Key takeaways for Santa Clarita homeowners:
- Supply duct cleaning typically costs $450 to $950 depending on home size, duct count, and access difficulty
- Most supply duct jobs in Santa Clarita take 4 to 7 hours
- We use negative-air extraction with a Rotobrush rotary system, not just a shop vac
- Price is written before work starts and does not move at the door
- Every job is covered by our 365-Day Done Right Promise in writing
- Calls are answered by a live person at (661) 523-0295, 24 hours a day, 7 days a week
When You Need Supply Duct Cleaning
You don’t need to guess. The signs are usually visible or physical, and they tend to show up in clusters. Here are the situations where we recommend a supply-side cleaning in Santa Clarita:
- Dust returns within days of cleaning. You wipe furniture and surfaces, and 3 or 4 days later there’s another fine layer. That dust is often coming from supply ducts, not windows. In Santa Clarita’s dry summer months, this is one of the most common complaints we hear from customers in Stevenson Ranch and Castaic.
- You see puffs of dust from registers when the system starts. Stand near a supply register when the blower kicks on. If you see a little burst of particles, that’s debris sitting in the supply duct being pushed into the room.
- You moved into a home that had renovation work done. Drywall dust, sawdust, and paint overspray find their way into supply ducts during construction. Builders and flippers rarely clean them before selling. Homes in newer developments around Newhall Ranch and Tesoro del Valle frequently need a supply duct cleaning within the first 2 to 3 years of occupancy.
- Someone in the home has allergies or asthma that flare up indoors. Supply ducts recirculate whatever is in them. If symptoms are worse at home than elsewhere, the ducts are a reasonable suspect.
- Your vents have visible dust or discoloration around the edges. Dark buildup around register covers is not just on the cover. It extends into the duct run behind it.
- You’ve never had the supply side cleaned and the home is over 10 years old. Even with regular filter changes, a decade of Santa Clarita dust adds up. Most homes in Valencia and Saugus built before 2015 have never had supply duct cleaning done.
Our Supply Duct Cleaning Process
Every supply duct cleaning we do in Santa Clarita follows a set sequence, beginning with a Video Inspection of your ductwork. The order matters because a supply-side cleaning that skips steps sends loosened debris into your living spaces instead of extracting it. Here is exactly how it works:
- Walkthrough with a written price. Before any equipment comes off the truck, we inspect your supply register count, duct layout, and access points. We then write down the price. It does not change once the work begins. The Garrison Standard requires pricing in writing before a single tool touches your ducts.
- Register removal and line-of-sight inspection. We remove each supply register cover and inspect the visible duct run with a camera. This tells us whether there’s debris beyond what a standard cleaning removes. If we find something unusual, like mold or pest activity, we show you and discuss options before proceeding.
- Negative-air setup. We connect a negative-air machine from Nikro or Abatement Technologies to the supply trunk line. Negative-air means the system creates suction inside your ducts so that when we agitate debris, it gets pulled toward the vacuum, not blown into your rooms. Think of it as a contained dust extraction system.
- Rotary brush agitation. Using a Rotobrush rotary brush system, we work through each supply run from the takeoff at the main trunk down to each individual register. The rotating brush loosens caked-on dust and debris, and the negative-air stream carries it out of the duct. This is the same equipment commercial crews use on larger commercial jobs, not improvised hardware-store gear.
- Register cleaning and final inspection. Each supply register cover is cleaned before it goes back on. We run a final visual inspection through the camera and confirm airflow at each vent is moving properly.
- Site left clean, guarantee in hand. We leave the work area as we found it, walk you through what was removed, and hand you your written 365-Day Done Right Promise. If anything is not right, we come back at no charge for a full year.
The whole sequence typically takes 4 to 7 hours for a home with 10 to 18 supply registers, depending on attic access, crawlspace conditions, and how long debris has been accumulating. Homes with rigid metal ductwork in the attic, common in older Canyon Country and Newhall neighborhoods built in the 1980s and 90s, sometimes take a bit longer because the duct runs are longer and harder to reach.
Supply Duct Cleaning Pricing in Santa Clarita
Supply duct cleaning in Santa Clarita typically costs between $450 and $950 for a standard single-family home. The range is wide because duct layouts vary significantly across the valley. A single-story home in Valencia with 8 supply registers in a straight trunk line will land at the lower end. A two-story home in Stevenson Ranch or Westridge with 18 supply runs, multiple takeoffs, and tight attic access will land at the higher end.
What affects the price:
- Number of supply registers. Each supply run needs individual cleaning. More registers mean more labor and more time.
- Number of HVAC systems. Two-story homes with separate systems upstairs and downstairs count as two supply duct networks.
- Access difficulty. Attics with low clearance, crawlspaces with tight entry, or registers in hard-to-reach locations add time.
- Duct condition. Severely impacted ducts, visible mold growth, or disconnected supply runs require additional work beyond standard cleaning. We show you what we find on camera before any additional price is added.
- Age of the home and ductwork. Older supply ducting, especially flex duct from the 1980s and 90s, sometimes needs repair or sealing after cleaning. If we find leaks or splits, we recommend duct sealing mastic, which is a brush-on sealant that closes gaps and keeps conditioned air moving to your rooms instead of leaking into the attic.
Every estimate is free. Call (661) 523-0295 and we’ll schedule a walkthrough, give you a written price, and answer any questions about what your supply ducts need. No upsell pressure, no price that changes at the door.
FAQs – Supply Duct Cleaning
How much does supply duct cleaning cost in Santa Clarita?
You can expect to pay between $450 and $950 for supply duct cleaning in Santa Clarita, depending on register count, home size, system count, and access difficulty. The exact price for your home is written down before work starts and does not change. Call (661) 523-0295 for a free walkthrough and exact quote.
Is supply duct cleaning the same as full air duct cleaning?
No. Supply duct cleaning covers only the ducts that push conditioned air from your furnace or AC into your rooms. Full air duct cleaning covers both supply and return sides, the return trunk line, and the air handler. If you haven’t had either done, see our Air Duct Cleaning in Santa Clarita page for a breakdown of full-system pricing and scope.
How long does supply duct cleaning take in Santa Clarita?
Most supply duct cleaning jobs in Santa Clarita take 4 to 7 hours. Larger homes with two HVAC systems or challenging attic access can push toward a full day. We give you a realistic window before we start and arrive inside it.
Can you clean supply ducts same day?
Yes, in most cases. We keep same-day and next-day appointment slots for Santa Clarita and surrounding areas. Call (661) 523-0295 and a live person will tell you exactly what openings are available today or tomorrow. We answer 24 hours a day, 7 days a week.
Do you use chemicals or just vacuum the ducts?
We use mechanical cleaning with a Rotobrush rotary brush system and negative-air extraction equipment from Nikro and Abatement Technologies. We do not routinely apply chemical sanitizers or deodorizers. If a specific situation warrants it, we discuss options with you first and write the price before proceeding.
Will supply duct cleaning make a mess in my house?
No. Because we use negative-air extraction, the debris we loosen is pulled into the vacuum system and contained, not blown into your rooms. We remove each register, clean it, and replace it. The work area is left clean when we finish. That’s part of The Garrison Standard we follow on every job.
Why Santa Clarita Homeowners Call Hollis for Supply Duct Work
We’ve been operating in Santa Clarita since 2004, long enough to know the specific ways this valley treats HVAC systems. The summer heat in Valencia and Saugus pushes AC systems hard for 4 or 5 months straight. The dry Santa Ana winds in fall carry fine particulate that settles in supply duct work. Homes near the 14 freeway corridor and Soledad Canyon Road see dust loads from road traffic and construction that newer developments further out simply don’t. We know what those ducts look like because we’ve been cleaning them here for over 20 years.
Our home page has more on our background and the Garrison Partners family. We’re independently owned and operated under The Garrison Standard, which means the same requirements apply to every job: show up inside the window, price in writing, work by the book, and leave the site clean. Every technician on your job is background-checked and uniformed, so you know exactly who is walking into your home before they arrive. We use professional-grade equipment from Rotobrush, Nikro, Abatement Technologies, and filtration products from Guardsman and Aprilaire. That’s a practical advantage, not a vague claim. It means the cleaning actually removes debris rather than just stirring it around.
And every job is covered by the 365-Day Done Right Promise in writing. If something is not done right within a year, we come back and fix it at no charge. No negotiation, no fine print, no chasing. That’s the difference between a crew that stands behind its work and one that hopes you don’t notice.
We don’t do teaser prices or bait-and-switch offers. We don’t knock on doors. We don’t run “specials” that expire before your appointment. We show up, we price it in writing, we do the work, and we stand behind it for a full year. That’s the whole deal.
When to Call
If you’re seeing dust puffs at your registers, dust accumulating faster than you can clean it, or respiratory symptoms that worsen at home, your supply ducts are a logical place to start. Or if you just bought a home in Santa Clarita and don’t know the last time the ducts were touched, a supply cleaning is a reasonable first step. Call (661) 523-0295 for a free estimate. We’ll take a look, give you a written price, and tell you honestly whether supply duct cleaning is the right next move or whether the problem is elsewhere. No charge for the conversation, and a live person answers the phone 24 hours a day, 7 days a week.
Written by Roy Castellanos, Owner at Hollis Air Duct Santa Clarita, serving Santa Clarita.