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.
Nikro Air Duct Cleaning in Woodland Hills: What to Know First
Nikro air duct cleaning in Woodland Hills typically runs $450 – $750 for a full residential system, takes 3 – 5 hours, and should be scheduled every 3 – 5 years. We’re an independent Nikro service provider, which means we clean systems built around Nikro HEPA filtration and negative-air rigs without being tied to manufacturer pricing or parts markups. If your Nikro unit is pushing dust back into the house or the vacuum side isn’t pulling like it used to, call (559) 295-5878 and we’ll give you a straight answer before anyone shows up at your door.
Every job gets a written price before work begins. No exceptions. Omar Haddad runs our Woodland Hills crew, and he’s been inside more attic trunk lines across the Valley than he cares to count.
How Nikro Products Fail – and How We Fix Them
Nikro builds serious HEPA filtration and negative-air equipment, but like anything that moves air for a living, it has predictable weak points. Here’s what we see on Woodland Hills jobs:
- Nikro HEPA filter loading on the vacuum side. The primary HEPA filter on Nikro negative-air machines clogs faster in Woodland Hills than coastal LA because of fine dust from the Santa Monica Mountains and Santa Ana wind events. When the filter loads up, suction drops and the cleaning head stops pulling debris. We check differential pressure across the filter, and if it’s loaded beyond spec, we replace it with a genuine Nikro HEPA element, not an aftermarket knockoff that leaks around the gasket. On a Nikro rig, filter integrity is the whole job.
- Dust bypass at the bag-out port on NP-series vacuums. We’ve seen Nikro NP-series bag-out ports leak fine particulate when the bag isn’t seated square under the clamp ring. It presents as dust haze near the unit while it runs, and homeowners often mistake it for a failed seal elsewhere. Our fix is straightforward: inspect the bag flange, reseat it, and run a smoke test to confirm the seal holds before we call the job done.
- Brush head wear on rotary attachments used with Nikro extraction systems. The nylon brush heads paired with Nikro vacuum rigs wear down to the hub on older systems, especially in homes with long flex-duct runs. A worn brush won’t agitate the duct wall, so debris stays bonded and the cleaning is cosmetic. We inspect brush bristle length before starting and swap in a fresh head when it’s under spec. It’s a $40 part that determines whether the cleaning actually cleans.
- Static pressure buildup in long return runs common to Woodland Hills split-level homes. Many Nikro systems in Woodland Hills are installed in homes with return ducts that run 30 – 40 feet across a split-level floor plan. Static pressure builds, airflow drops, and the system works harder than it should. We measure static pressure at the return and supply plenums, and if the numbers say the duct sizing is fighting the system, we’ll tell you plainly what that means for your cleaning results and your electric bill.
- Condensation and microbial growth in duct liner near the coast-adjacent microclimates. Woodland Hills sits in a spot where inland heat meets marine layer mornings. Ducts in unconditioned attics can sweat, and if your Nikro system has lined ductwork, that liner can hold moisture and grow things you don’t want recirculating. We inspect liner condition during every cleaning, and if we find microbial growth, we tell you what it will take to remediate it. No scare tactics, just what the photos show.
Styles & brands we work with




Our Nikro Air Duct Cleaning Process
Here’s exactly what happens when you call us for Nikro air duct cleaning in Woodland Hills:
- 1
Call and talk to a live person. You call (559) 295-5878, a human answers, and we schedule a window that works for you. No voicemail roulette.
- 2
System walkthrough and static pressure check. We arrive, walk the system with you, measure static pressure at the plenums, and confirm what we’re cleaning. If we see something that changes scope, you hear about it before we touch a duct.
- 3
Written price before work starts. We hand you a number in writing. It does not change at the door. If you don’t like it, we leave and you pay nothing.
- 4
Cleaning with professional-grade extraction. We run our negative-air setup: Rotobrush agitation paired with Nikro HEPA vacuum extraction. The loosened debris goes straight into the vacuum, not back into your living room. That’s negative-pressure extraction, and it’s the difference between cleaning and just moving dust around.
- 5
Before-and-after photo documentation. We photograph every section we clean. You see the ductwork, not just our word for it. Digital photos arrive with your invoice.
- 6
Test and walk away with a 365-Day Done Right Promise. We confirm the system is pulling properly, the HEPA filter is seated, and nothing got damaged during the cleaning. If the work isn’t right within 365 days, we return and correct it at no charge. That’s the whole guarantee, on every job.
See the difference
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After
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AfterWhat Nikro Air Duct Cleaning Costs in Woodland Hills
Most standard Nikro air duct cleanings in Woodland Hills run between $450 and $750 for a full residential system. Smaller homes with short duct runs lean toward the lower end. Larger homes, homes with multiple returns, or systems that haven’t been cleaned in a decade land higher.
What moves the price:
- Number of supply and return vents – not per-vent pricing, but total system size and access difficulty
- Filter condition – if your Nikro HEPA filter needs replacement, it’s added at cost, no markup games
- Access – attics in Woodland Hills heat up fast, and a tight attic adds time
- Duct liner condition – if abrasion during cleaning would damage deteriorated liner, we discuss options before proceeding
Call (559) 295-5878 for an exact quote. Estimates are free, and the number we give you is the number you pay.
Why Woodland Hills Homeowners Call Cardinal Air Duct Woodland Hills for Nikro Work
We’re the air duct specialists in the Relay Home Co. family, founded 2005, and we hold every job to The Relay Visibility Guarantee: a live trackable arrival time, before-and-after photos, and a digital invoice you can pay from your phone. Every tech is background-checked and arrives in uniform. You know the name of the person at your door before they ring the bell.
We work on Nikro systems every week, but we also service Lennox, Trane, and Carrier equipment. That matters because when we’re cleaning your ducts, we understand the full system, not just the vacuum side. It’s one crew that speaks the whole language.
Clean ducts, straight answers – that’s the whole job.
FAQs
No. Professional air duct cleaning, done with proper negative-pressure extraction, does not void a Nikro manufacturer warranty. We use techniques and filters that meet OEM specifications, and we never use chemicals or abrasives that could damage ductwork or void coverage. If your Nikro equipment is still under warranty, we’ll walk you through what’s covered before work begins.
Look for dust accumulation on registers within a week of cleaning, reduced airflow from vents, a musty smell when the system first kicks on, or visible dust streaming from supply vents in direct sunlight. If any of those match, call us and we’ll do a video inspection before recommending anything. No obligation, no cleanup theater.
Yes, and we always recommend cleaning both. Supply ducts push air into your rooms, return ducts pull it back. If you clean only one side, the other side recontaminates the system within weeks. We treat a full-system cleaning as the standard, not an upsell.
Most full-system cleanings take 3 – 5 hours. Systems over 3,000 square feet, systems with multiple returns, or systems that haven’t been cleaned in years can take longer. We’ll give you a time estimate with your written price, and we don’t leave until the before-and-after photos show the job is done.
We inspect the filter during the cleaning. If it’s within spec, we clean and reinstall it. If it’s loaded beyond spec, we recommend replacement with a genuine Nikro HEPA element and show you the pressure readings before you decide. We never replace a filter without your approval, and we never mark up parts to pad the invoice.
If it’s time to get your Nikro system cleaned in Woodland Hills, call (559) 295-5878 and talk to a real person. We’ll give you a written price before any work starts, and back the whole job with a 365-day promise.
Written by Omar Haddad, Owner, Cardinal Air Duct Woodland Hills, serving Woodland Hills and nearby areas.