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.
Fast, Reliable Air Duct Cleaning Across Granada Hills
Air duct cleaning in Granada Hills costs between $425 and $780 for a single system in an average 1,800 sq ft home, with most jobs finished in 3 to 6 hours. We coordinate each Granada Hills job from our Los Angeles office and dispatch a uniformed, background-checked crew to your street. That crew carries the equipment the trade actually respects: Rotobrush rotary brush systems, Nikro negative-air machines, and HEPA filtration from Abatement Technologies.
If your Granada Hills ducts haven’t been opened up in years, call (661) 523-0295 for a written quote. The price is set before we touch anything, and it does not move at the door.
Why Hollis Air Duct Santa Clarita Is Granada Hills’s Preferred Air Duct Cleaning Company
Granada Hills homeowners don’t need another company that quotes one number on the phone and another at the doorstep. What they need, and what we actually deliver, is The Garrison Standard: arrive inside the quoted window, price the job in writing before the equipment comes off the truck, do the work by the book, and leave the site clean. It’s not a slogan. It’s the behavior our techs are held to on every job, including the ones on Balboa Boulevard and Gettysburg Avenue.
We’ve been part of the Garrison Partners family since 2004, which means the systems behind the work were in place long before most local competitors existed. The 365-Day Done Right Promise backs every job in writing: if the cleaning or repair fails within a year, we return at no charge. That includes a free second visit. Not negotiated. Written down.
When you call, a live person answers. Day or night. You’ll know who’s coming to your Granada Hills home before they arrive because we send background-checked, uniformed technicians, not a nameless subcontractor in an unmarked van.
Styles & brands we work with
Vent Cleaning in Granada Hills
Vent cleaning in Granada Hills means clearing the supply and return registers, boots, and branch lines of the mountain dust that settles faster here than almost anywhere else in the Valley. On the north side near Rinaldi and Sesnon, that dust is a fine gray silt: decomposed granite and wildfire ash that finds its way into every register, even with windows closed most of the year. It’s a job homeowners on the valley floor rarely need at the same frequency, but in Granada Hills it’s a regular fact of life.
Supply Vent Restoration
We pull each supply register, clean the boot with HEPA-vacuum agitation, and run a rotary brush through the branch line feeding that room. This removes the silt layer that restricts airflow and forces your AC to work harder through the long Granada Hills summers. The result is a room that reaches set temperature without the blower fighting a restricted duct.
Return Vent Filtration Check
Return vents pull air back to the air handler, which means they pull whatever is floating in your Granada Hills living room straight into the system. We vacuum the return drops and check that your filter is actually doing what its MERV rating claims. If a Guardsman or Aprilaire filter is in place, we confirm it isn’t choked with fine mountain dust after a Santa Ana event.
Air Duct Repair in Granada Hills
Air duct repair in Granada Hills usually means one of three things: sealing leaks in decades-old sheet metal ductwork, replacing collapsed or crushed sections, or replacing saturated fiberglass-lined duct after water intrusion. In 1950s and 1960s tract homes throughout Granada Hills, particularly the ranch styles north of Chatsworth Street, the original ductwork is often still in place. Sheet metal lasts, but the seams and joints don’t. They leak, and every leak pulls foothill air into the supply side of the system.
Leak Sealing With Duct Mastic
When a camera inspection shows gaps at seams or boot connections, we seal them with duct mastic, not tape. Mastic is a brush-on sealant that hardens and actually holds under the pressure changes of a forced-air system. Tape dries and fails. We do it once and the 365-Day Done Right Promise covers it in writing.
Post-Storm Duct Assessment
After a heavy storm near the Santa Susana Mountains, water can intrude into duct runs through roof penetrations or compromised vent caps. Our video inspection shows whether the duct can be cleaned and dried or must be replaced. We document everything with before-and-after camera footage, which is the evidence your insurer wants to see when you file a claim.
Trusted Brands We Service in Granada Hills
We stock replacement parts and filtration products for the brands Granada Hills homes actually run: Aprilaire media cabinets, Honeywell electronic air cleaners, and Guardsman UV systems. Our technicians are trained on Rotobrush rotary brush platforms and Nikro negative-air machines, which means we bring commercial-grade tools to a residential job, not hardware-store attachments on a shop vac. If your system needs a specific Aprilaire filter after we clean the ducts, we’ll have it on the truck instead of sending you to a supply house in Chatsworth.
Common Air Duct Cleaning Problems We See in Granada Hills Homes
- Gray mountain dust coating every duct surface. Because Granada Hills sits directly downwind of the Aliso Canyon and Santa Susana Mountains, decomposed granite and wildfire ash settle into supply and return lines faster than in Northridge or Mission Hills. This isn’t ordinary house dust; it’s abrasive and it accumulates.
- Leaf debris and fine ash pulled into return ducts during Santa Ana season. High winds force particle-laden air through soffit vents and any small gap in the return path. In north-side Granada Hills neighborhoods near the hills, we regularly find return boots half-filled with dry leaf fragments.
- Saturated fiberglass-lined ducts from post-storm roof leaks. In older tract homes near Balboa and Rinaldi, water intrusion after heavy rain wets the fiberglass liner inside the duct. Cleaning a damp fiberglass duct does not solve the problem, and it’s exactly the mistake that leads to mold regrowth and an insurer rejecting your claim.
- Leaking sheet metal seams from 1950s-1970s original ductwork. The seams and joints on original duct runs separate over decades. Every leak is an opening for foothill air, which means the system pulls outdoor particles directly into the conditioned air stream.
See the difference
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After
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After
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AfterPricing for Air Duct Cleaning in Granada Hills, CA
A full-system cleaning for a typical Granada Hills home runs $425 to $780, depending on square footage, number of returns, and the level of contamination. Homes north of Rinaldi with heavy mountain dust buildup may land at the top of that range; a newer home on the valley floor side of Granada Hills typically lands at the bottom. Vent-only cleaning is priced separately and typically adds $150 to $250 when ordered alongside a full system job. Air duct repair is quoted after a camera inspection, and duct sealing starts at $275 for accessible seams. Every quote is written down before work begins, and every job is backed by the 365-Day Done Right Promise. Call (661) 523-0295 for a free estimate.
We Also Serve Cities Near Granada Hills
Our teams serve Air Duct Cleaning customers throughout the northern San Fernando Valley. That includes Mission Hills, San Fernando, Northridge, and Sylmar, each with the same written pricing and the same 365-Day Done Right Promise. If you’re just up the 118 or across the 405, we’ll be inside the quoted window.
Serving Granada Hills, CA - Our Local Coverage Area
We’re based in the Granada Hills area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Granada Hills
If water entered the ducts and the liner is fiberglass, you need replacement, not cleaning. Wet fiberglass cannot be reliably dried, and attempting to clean it leaves mold spores behind. Our video inspection is what tells you the difference: we run a camera through the entire run and document every surface. If it’s dry debris and mountain dust, we clean it with the Rotobrush system and HEPA negative air. If it’s saturated fiberglass, we recommend replacement and give you camera footage you can hand to your insurer. Call (661) 523-0295 and we’ll schedule the inspection at a time that works for you.
Granada Hills sits at the northern rim of the Valley, directly downwind of the Aliso Canyon and the Santa Susana Mountains. When the wind blows from the north, it carries decomposed granite and wildfire ash straight into the neighborhoods near Rinaldi, Sesnon, and Balboa. Northridge sits further south and lower, so the particulate load is measurably lower. Homes in the northern half of Granada Hills should expect faster buildup and schedule accordingly.
Yes, a full cleaning removes the fine ash that has already settled inside the duct system. But cleaning alone does not stop future smoke from entering. The duct system must be tight, and the filtration at the air handler needs to be appropriate for the smoke load. That’s why we pair source removal with leak sealing and a filter check. If the system is leaking at every seam, even a hospital-grade filter won’t protect you. For an exact assessment of your system, call (661) 523-0295.
The two signs that matter are longer drying times and a burning smell near the dryer. In Granada Hills, fine mountain dust mixes with lint to form a dense, compacted blockage that restricts airflow. This is a fire hazard, and it’s not something to put off. A dryer vent cleaning in Granada Hills typically runs $125 to $185. Schedule it on the same visit as a duct cleaning and we’ll knock it out while the equipment is already set up.
Most Granada Hills homes need a full duct cleaning every 3 to 4 years, but homes in the northern foothill neighborhoods near Rinaldi and Sesnon often need it every 2 to 3 years. The deciding factor is what the camera shows. If the blower motor and evaporator coil have silt on them, the ducts are overdue. If you’re in doubt, call (661) 523-0295 and we’ll run a camera inspection so you can see exactly what’s in there before deciding anything.
Granada Hills Duct Work: Clean, Replace, or Leave Alone
Last fall after a Santa Ana wind event, our techs arrived at a ranch-style home on Rinaldi Street where the supply and return ducts were coated in gray mountain dust. Using a Rotobrush system with HEPA filtration and agitation tools, we restored airflow to the air handler and verified the MERV 13 filter wasn’t the only line of defense. Camera inspection showed the blower motor was free of silt, saving the homeowner from a premature motor failure.
That’s the distinction most Granada Hills homeowners never get from a phone estimate: clean versus replace. A camera tells the truth. A wet fiberglass duct, a collapsed run, a section crushed by years of attic traffic in a 1960s tract home, those are replacement jobs. Dry debris, mountain dust, and surface accumulation are cleaning jobs. We document both with before-and-after video, and when the situation calls for replacement, you get footage your insurer can actually use. That documentation is the difference between a claim your carrier accepts and one they quietly deny.
If your ducts haven’t been inspected since the last wildfire season, call (661) 523-0295. We’ll put the camera through the system and tell you exactly what’s there. The estimate is free. The answer is honest. And everything we do is covered in writing.
Written by Roy Castellanos, Owner at Hollis Air Duct Santa Clarita, serving Granada Hills and the northern San Fernando Valley.
To schedule a free estimate for Air Duct Cleaning in Granada Hills, call (661) 523-0295. A live person answers, every time.