Before & After Gallery - Kestrel Air Duct Los Angeles

Air Duct Cleaning Before & After in Los Angeles, CA

Anyone can say they clean ducts. Seeing what actually came out of a home, and what the duct walls looked like before and after, tells you whether the job was real. In Los Angeles, where windows stay shut half the year and HVAC systems run hard through summer, the difference between a surface wipe and a full extraction matters. These project write-ups walk through actual scenarios our technicians in Los Angeles handle. Photos load as we document each job, so check back.

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Recent Transformations

Heavy Dust Buildup in a 1970s Mid-City Home

BeforeAfter

The problem: This Los Angeles home near Mid-City had decades of fine dust caked onto the supply duct walls. The homeowner noticed grey particles settling on furniture within two days of dusting. What we did: Our technicians ran a Rotobrush rotary brush system through each supply run, physically dislodging the caked layer at the duct wall. A Nikro negative-pressure unit pulled the loosened debris out of the system while an Abatement Technologies HEPA filter kept those particles from re-entering the living space. The result: The duct walls were visibly clean to the touch, and the homeowner reported that the dust-on-furniture problem stopped within a week.

Lint-Caked Dryer Vent in a Westside Condo

BeforeAfter

The problem: A dryer on the Westside was taking two cycles to dry a standard load. The vent line was packed with compacted lint, including a dense plug near the exterior termination point. What we did: We performed a lint trap bypass, meaning we cleaned from the dryer connection all the way to the exterior vent cap rather than just clearing the first few feet. The Rotobrush loosened the packed lint, and the negative-air extraction pulled it out as we worked. The result: Dry time dropped back to a single cycle, and the dryer ran noticeably cooler. The homeowner had been two steps away from a lint fire risk and didn’t know it.

Post-Renovation Duct Cleaning in Silver Lake

BeforeAfter

The problem: After a kitchen remodel in Silver Lake, the homeowner noticed a fine white film on every surface. Drywall dust and sawdust had been pulled into the return side of the HVAC system and was now circulating through the entire house. What we did: We sealed off the vent openings in the living areas, connected the negative-pressure unit to the main trunk line, and ran the rotary brush through every supply and return duct. The HEPA filtration on our equipment ensured the drywall dust we stirred up didn’t blow back into the freshly renovated kitchen. The result: The white film stopped appearing within days. The homeowner told us they had been considering replacing the ducts entirely, which would have cost thousands more than the cleaning.

Pet Hair and Dander Accumulation in Valley Village

The problem: A Valley Village home with three dogs and two cats had visible hair tufts clinging to the return grille, and the family mentioned worsening allergies. When we opened the return, we found hair matted along the duct walls and a dense layer of dander in the trunk line. What we did: This job required a slower pass with the rotary brush to work the matted hair free before the negative-air extraction pulled it out. We replaced the return filter with a quality filtration product to help capture pet dander between service visits. The result: The family said allergy symptoms eased within a week, and the return grille stayed clear far longer than before.

Mold Spots and Musty Smell in a Hancock Park System

The problem: A Hancock Park homeowner kept smelling something damp and musty every time the AC kicked on. Our inspection showed dark spotting inside the supply ducts near the evaporator coil, where condensation had created a damp environment. What we did: We cleaned the affected duct sections thoroughly, removing the organic material the mold was feeding on. The negative-pressure extraction pulled the loosened material out of the house. We also recommended the homeowner have the coil checked, since the source of the moisture needed to be addressed to prevent recurrence. The result: The musty smell dissipated within days. The homeowner scheduled a follow-up inspection with us three months later and the ducts were still clean.

Smoke and Soot Residue After a Small Kitchen Fire in Echo Park

The problem: A small stovetop fire in an Echo Park home was put out quickly, but the smoke had been pulled into the HVAC return and spread soot through the ducts. The house smelled like burnt oil for weeks. What we did: Soot is sticky and fine, so this job took extra passes. We used the rotary brush to break the soot from the duct walls and ran the negative-pressure unit the entire time to capture it. The Abatement Technologies HEPA filtration kept the fine soot particles contained. The result: The smoke smell finally cleared, and the homeowner didn’t have to repaint ceilings that had started to show soot staining near the vents.

Want Results Like These?

Every home is different, but the process is the same: we inspect, we give you a written price before anything is touched, and we clean until the ducts are actually clean. You’ll see the work when we’re done. Call Kestrel Air Duct Los Angeles at (213) 733-0665 and Dale Whitmore will walk you through what to expect before you book anything.

Written by Dale Whitmore, Owner at Kestrel Air Duct Los Angeles, serving Los Angeles under the Kingswell Guarantee since 2004.