A Cardinal company - serving Woodland Hills, CA

Before & After Gallery - Cardinal Air Duct Woodland Hills

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.

Get your free estimate

Air Duct Cleaning Before & After in Woodland Hills, CA

Every duct cleaning company talks about what they’ll do. We’d rather show you what actually happened. These are real jobs from homes across Woodland Hills, Calabasas, and the west Valley. No stock photos, no staged filter comparisons. Just the dust, the buildup, and what the system looked like when our Rotobrush and Nikro HEPA equipment finished the job. The photos speak for themselves, and the captions explain what you’re seeing.

Call (559) 295-5878

Explore

Styles & brands we work with

Recent Transformations

Twenty Years of Dust in a Woodland Hills Return Duct

Before: Return duct caked with a gray-brown dust layer, visible even without a scope.

After — Before: Return duct caked with a gray-brown dust layer, visible even without a scope.

The homeowner near Topanga Canyon Mall mentioned nobody had touched the ducts since the house was built. The return was carrying a visible dust film that recirculated every time the AC kicked on. We ran the Rotobrush through every return run while the Nikro HEPA unit held the system under negative pressure, so loosened debris went straight into the vacuum instead of back into the living room. The after photo shows bare galvanized metal where a dust blanket had been sitting for two decades.

Dryer Vent Clogged with Lint and a Bird Nest in Winnetka

Technician performing professional dryer vent cleaning service — After: Clear vent path. Dryer cycles dropped back to normal time immediately.

Off Winnetka Avenue, a homeowner called because clothes were taking two full cycles to dry. We found the vent termination completely blocked. After clearing the obstruction, we ran brush rods the full length of the vent and finished with a HEPA pass to catch anything that broke loose. The difference in airflow was immediate. Lint buildup like this is a fire hazard, which is why we never shortcut a dryer vent job.

Pet Hair and Dander in a Calabasas HVAC Supply Run

Professional technician performing dryer vent cleaning on a residential roof — Before: Supply duct lined with a mat of dog hair and dander near the register.

Technician performing professional dryer vent cleaning from the roof — After: The hair and dust mat is gone. Surface is clean to the touch.

A Calabasas household with two golden retrievers had supply registers that looked like they were growing fur. Hair had worked its way deep into the supply runs, not just at the registers. We agitated every run with the Rotobrush, then extracted with the Nikro HEPA system to pull the loosened hair out under negative pressure. The homeowners noticed the dog smell in the house dropped noticeably within a day.

Construction Dust Leftover from a Remodel in Tarzana

Professional technician performing residential air duct cleaning service using vacuum equipment — Before: Fine white drywall dust coating the entire interior of this supply duct.

Technician using professional air duct cleaning equipment at a residential property — After: The dust that would have circulated for months is gone before move-in.

This Tarzana home had just finished a kitchen remodel, and the contractors ran the AC the whole time. Drywall dust gets pulled into every duct run and settles there until someone disturbs it. The new owners didn’t want their family breathing that. We contained each register with Abatement Technologies equipment while we worked, preventing any cross-contamination into the freshly painted rooms. The after photo shows what a clean system should look like before anyone moves furniture in.

Mold-Suspect Growth in a Valley Glen Bathroom Exhaust Duct

Professional technician performing air duct cleaning with a rotating brush tool — Before: Dark spotting and organic buildup in a bathroom exhaust duct that hadn’t been cleaned in years.

Technician performing professional air conditioner maintenance and deep cleaning service — After: Exhaust path is clear and dry. Humidity now vents properly.

Bathroom exhaust ducts are the most forgotten part of an HVAC system. This Valley Glen duct had accumulated years of moisture and dust, creating dark spots that concerned the homeowner. We cleaned the full exhaust run, removed the buildup, and verified airflow with a smoke pencil. The bathroom now clears steam in minutes instead of leaving condensation on the mirror for an hour. If you see spotting like this, it’s worth having a professional look before it spreads.

Apartment-Sized System in a Woodland Hills Condo

Technician cleaning residential HVAC cooling coils with a brush for maintenance — Before: Condo duct with dust accumulation typical of shared-building air systems.

HVAC technician cleaning the blower assembly of a home furnace system. — After: Clean duct. The unit owner said sneezing dropped off within the week.

A one-bedroom condo near Warner Center had ductwork that shared wall cavities with neighboring units, which means dust from adjacent spaces migrates. The system was small but every run needed attention. Our equipment scaled down just fine, and the job was done in about two hours. Condo systems in Woodland Hills often get skipped because they’re small. They still collect the same dust as a house twice the size.

Want Results Like These?

If your ducts look anything like the “before” photos, we can help. Every job starts with a written price before any work begins, so you know exactly what it costs before we touch a single vent. Call Omar and the team at Cardinal Air Duct Woodland Hills at (559) 295-5878. We’ll show you what’s in your ducts, and then we’ll show you what they should look like.

Written by Omar Haddad, Owner at Cardinal Air Duct Woodland Hills, serving the west San Fernando Valley with professional duct cleaning since joining the Relay Home Co. family.

Before & after

See the difference