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 HVAC Cleaning in Woodland Hills: What to Know First
Nikro HVAC cleaning in Woodland Hills typically runs $450 – $950 for a full system cleaning, and we complete most residential jobs in a single four-to-six-hour visit. We’re an independent Nikro service provider, which means we service Nikro equipment without being tied to factory pricing or parts markups. If you own Nikro air-handling equipment or a Nikro containment unit used in your home or small workshop, this page tells you exactly how cleaning works, what it costs, and what we do differently. Call (559) 295-5878 for a written quote before any work begins.
How Nikro Products Fail – and How We Fix Them
Nikro builds HEPA-filtered negative air machines, air scrubbers, and industrial air-moving equipment. In Woodland Hills, we see these units in two places: residential workshops, and homes where contractors or restoration crews left equipment behind after a job. Here are the failure modes we actually find when we open a Nikro unit for cleaning:
- HEPA filter bypass on the Nikro WS Series (WS-24, WS-48) – The gasket between the primary HEPA and the housing degrades from heat and dryness. Woodland Hills summers push attic temperatures past 130°F, which hardens neoprene gaskets faster than coastal climate. We replace the gasket, not just the filter, and we test the seal with a particle counter before closing the unit. Most cleaning companies swap the filter and call it done. That gasket is why three months later the unit is blowing unfiltered air.
- Blower wheel imbalance on Nikro 3000 Series air scrubbers – The backward-curved impeller collects a fine dust cake on the leading edge of each blade. Once that cake builds unevenly, the wheel vibrates. Owners think the motor bearings are going. Nine times out of ten it’s just imbalanced buildup. We remove the wheel, clean each blade with a soft brush and coil-safe solvent, and rebalance. Bearings rarely need replacement on these units unless neglect ran for years.
- Pre-filter neglect cascading into motor overheating – Nikro units use a staged filtration system: pre-filter, optional carbon, primary HEPA, secondary HEPA on some models. When the pre-filter clogs, the motor pulls more amperage to maintain airflow. In a Woodland Hills garage that already sits at 90°F in July, that extra draw trips thermal overload switches. We clean all stages, check amp draw against the motor nameplate, and replace any stage that’s beyond its rated service life.
- Condensate and rust at the base of Nikro units stored in humid spaces – Units kept in partially finished basements or against exterior walls in older Woodland Hills hillside homes pick up moisture. The steel cabinet base rusts, and rust flakes get pulled into the air stream. We treat the base with a rust converter, reseal the cabinet seams, and apply a protective coating. On units where corrosion has reached the motor mount, we’ll tell you honestly whether repair makes sense or replacement is cheaper.
- Carbon filter saturation on Nikro units used for odor control – Carbon doesn’t last forever. On the Nikro carbon modules used in smoke or pet-odor remediation, saturation typically happens after 200 – 300 hours of active use. Woodland Hills wildfire season accelerates this. You’ll know it’s saturated when the unit runs but the odor returns within an hour of shutting it off. We replace the carbon media and verify airflow at the outlet with an anemometer.
Styles & brands we work with




Our Nikro HVAC Cleaning Process
Here’s how a Nikro cleaning job goes from first call to final test, based on the way Omar Haddad and our techs run it in Woodland Hills homes:
- 1
Call and describe the unit. We ask for the model number from the data plate, how long you’ve owned it, and what it’s been used for. That gives us a head start on which parts and filters to bring.
- 2
On-site diagnostics. We run the unit, measure airflow at the inlet and outlet, check amp draw against the nameplate, and inspect every filter stage. We photograph everything before we touch a bolt.
- 3
Written quote. You get a printed price with line items for cleaning, filters, gaskets, and any parts. That price doesn’t change at the door. If we find something unexpected during disassembly, we stop and call you with options before spending another dollar.
- 4
Full disassembly and cleaning. We remove the blower wheel, clean it by hand (no dunking the motor), clean the cabinet interior, replace gaskets, and install fresh filters. We use OEM Nikro filters when available and quality aftermarket equivalents when the OEM lead time is longer than a week. We’ll tell you which one you’re getting and why.
- 5
Reassembly and testing. The unit goes back together, then we run it and measure airflow, amp draw, and noise. We compare those numbers to the baseline from step two and show you the delta.
- 6
Before-and-after photos and your guarantee. You get photo documentation of every stage of the job, plus the 365-Day Done Right Promise in writing. If anything we did fails within a year, we return and correct it at no charge. Clean ducts, straight answers – that’s the whole job.
See the difference
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After
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After
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AfterWhat Nikro HVAC Cleaning Costs in Woodland Hills
For a single Nikro unit, expect to pay between $450 and $950 depending on what we find. The biggest price movers are filter condition, gasket replacement, and whether the blower wheel needs to come out for deep cleaning. A full breakdown:
- Basic cleaning (single unit, filters in decent shape): $450 – $600
- Deep clean with blower wheel removal and rebalance: $650 – $850
- Full service with new HEPA, pre-filter, gasket, and carbon (if equipped): $800 – $950
- Motor replacement or major part replacement: quoted separately after diagnostics, never during the initial visit without your approval
What moves the price is how far the unit has drifted from clean baseline. A Nikro that ran in a dusty Woodland Hills garage for three summers without a filter change will cost more than one cleaned annually. We don’t charge by the vent, we don’t upsell filter subscriptions, and the price we hand you before starting is the price you pay. Call (559) 295-5878 for a written estimate – it’s free and there’s no obligation.
Why Woodland Hills Homeowners Call Cardinal Air Duct Woodland Hills for Nikro Work
We’re an independent Nikro service provider, which gives us flexibility on parts sourcing that factory-authorized shops don’t have. We also maintain working knowledge of Lennox, Trane, and Carrier systems, so if your Nikro unit ties into a broader HVAC setup, we can diagnose the whole picture, not just the blower. Every job includes the Relay Standard: a live trackable arrival window, background-checked techs in uniform, before-and-after photo documentation, and a digital invoice payable from your phone. The 365-Day Done Right Promise covers every Nikro cleaning we perform – if the work isn’t right within a year, we come back and fix it. Plain and simple. That’s how Omar Haddad and the team at Cardinal Air Duct Woodland Hills have always operated, and it’s why homeowners from Warner Center to the hillside streets keep calling us back.
FAQs
No. Routine cleaning and filter replacement are required maintenance under Nikro’s warranty terms. What voids warranties is improper disassembly, the use of aftermarket filters that don’t meet the stated MERV or HEPA rating, or modifications to the motor or controls. We document every job with photos, use filters that meet or exceed OEM specs, and never modify a unit beyond its original design.
For a unit running daily in a dusty workshop or garage, we recommend cleaning every 6 – 12 months. If the unit runs intermittently or lives in a relatively clean indoor space, every 18 – 24 months is reasonable. Woodland Hills has dry, dusty summers and occasional wildfire smoke, both of which shorten filter life. A clogged pre-filter is your cue that the deeper stages are working harder than they should. Call (559) 295-5878 and we’ll give you an honest assessment based on how you actually use the unit.
We source OEM Nikro filters, gaskets, and replacement parts whenever they’re available within a reasonable lead time. When OEM parts are backordered, we offer aftermarket equivalents from manufacturers we’ve vetted and tested. We’ll always tell you which one you’re getting, what it costs, and why we made the call. We never install a cheaper part without telling you.
We measure before and after. On every Nikro cleaning we record airflow at the outlet, amp draw at the motor, and static pressure where applicable. You’ll see the numbers change. You’ll also get before-and-after photos of the blower wheel, filter stages, and cabinet interior. If the unit sounds quieter, draws less power, and moves more air, that’s not opinion – that’s a measurable result, and it’s all documented in your digital invoice.
That depends on motor condition, cabinet corrosion, and whether parts are still available for your model. We’ve cleaned 15-year-old Nikro units that ran like new afterward, and we’ve told homeowners their money was better spent on a replacement. Our policy is this: if cleaning plus parts exceeds 50% of a comparable new unit’s price, we’ll tell you directly, and we won’t push a repair that doesn’t make financial sense. You’ll get the numbers and the recommendation. You make the call.
Questions about your Nikro unit, pricing, or scheduling? Call us at (559) 295-5878 and a real person will pick up. We’ll give you a straight answer and a written quote before any work starts.
Written by Omar Haddad, Owner, Cardinal Air Duct Woodland Hills at Cardinal Air Duct Woodland Hills, serving Woodland Hills and nearby areas.