Air Duct Cleaning in Walnut - One Flat Price, Before-and-After Photos

Fast, Reliable Air Duct Cleaning Across Walnut

Air duct cleaning in Walnut typically runs $350 – $650 for a full residential system, and most jobs we book here include both cleaning and minor repair work on original 1980s ductwork. We’re the Walnut crew from Hollis Air Duct Cleaning, and our technicians cover every planned community from Walnut Valley to Timberline to Snow Creek. Scheduling and dispatch are coordinated from our Los Angeles office, but the trucks that roll to your driveway are stocked for the specific problems these older two-story tract homes present: crushed flex runs, disconnected attic takeoffs, and decades of Santa Ana dust accumulation. If your upstairs never cools right or your registers push less air than they used to, the ducts are usually the reason. Call (361) 326-5060 and we’ll send a uniformed technician who’ll show you exactly what’s happening inside your system before any work starts.

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Why Hollis Air Duct Cleaning Is Walnut’s Preferred Air Duct Cleaning Company

We’ve been working in Walnut long enough to know which floor plans have the flex-duct chases that sag, which attic configurations make takeoff access tricky, and how the 57/60 freeway corridor sends construction dust into outdoor HVAC intakes during Santa Ana events. That local pattern recognition matters. When our technician arrives at a Timberline two-story, they’re already thinking about the two most common findings: a crushed supply run above the master bedroom and a return duct that’s pulled loose from its collar in the attic chase.

Our reputation here is built on showing what we find. We run a camera before we quote and after we finish. The price is written down before any tool touches your system, and it does not move at the door. Every job carries our 365-Day Done Right Promise in writing: if the work fails within a year, we return and make it right at no charge, including a free second visit.

Calls are answered by a live person, 24 hours a day, seven days a week. No voicemail loops, no callback queues, no waiting until Monday morning to book a Walnut appointment. Our technicians are background-checked, uniformed, and expected to arrive inside the quoted window, price in writing, complete the job by The Garrison Code, and leave the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates, including ours serving Walnut.

Air Duct Inspection in Walnut

Air Duct Inspection in Walnut is where we start every job, because in this city’s housing stock the visible registers usually tell the least important part of the story. Our inspection runs a video camera through your supply and return ducts, checks static pressure across the air handler, and examines the blower motor compartment for dust loading that would immediately recontaminate any cleaning work. For a typical Walnut home, inspection pricing runs $125 – $195, and we apply that full amount toward your cleaning if you proceed. We focus on neighborhoods like Walnut Valley and Creekside where original 1980s flex ductwork now shows 25 – 35 years of wear.

Camera-First Diagnosis

We don’t guess. The camera shows sagged runs, disconnected collars, and crushed sections in real time, and we show you the feed on a tablet before we quote any repair or cleaning. In Snow Creek we opened a second-floor chase on a 1980s two-story and found one of the two flex runs to the master bedroom had slipped clean off its attic takeoff collar and was lying crushed across a joist – that room had been getting almost no cooling for years, which is why the homeowner called. We reattached and sealed the takeoff, replaced the crushed section, then ran a camera inspection down the remaining runs and cleaned supply and return ducts under negative pressure with HEPA filtration before we considered the job done.

Static Pressure Testing

High static pressure means your blower is working harder than designed, burning more electricity and shortening its lifespan. We measure it at the air handler and at key branch points to pinpoint restrictions that cleaning alone won’t fix. This step is especially important in Walnut’s two-story homes where long flex runs create natural pressure drops that get worse as ducts age.

Residential Air Duct Cleaning in Walnut

Residential Air Duct Cleaning in Walnut means more than blowing compressed air through registers. Our Air Duct Cleaning team uses a negative-air method with a Nikro portable HEPA vacuum connected at the air handler, combined with rotary brush agitation from a Rotobrush system that knocks debris loose from duct walls without damaging the original flex material. We seal every access port with mastic when we’re done. For a typical Walnut single-system home, residential cleaning runs $350 – $550; two-story homes with separate upstairs and downstairs zones, or homes requiring significant duct repair, range $450 – $650.

Source Removal, Not Surface Cleaning

Source removal means we extract the contamination from inside the duct, not just push it deeper or vacuum the register face. The negative-air machine maintains constant suction at 4,000 – 5,000 CFM while brushes dislodge debris, so nothing escapes into your living space. We use HEPA filtration rated at 99.97% at 0.3 microns, the same standard Abatement Technologies specifies for hospital and commercial jobs. For Walnut homeowners with allergy sensitivity or recent respiratory concerns, we can add Honeywell or Aprilaire media filtration upgrades after cleaning.

Air Handler and Blower Compartment

Cleaning the ducts but leaving the air handler untouched is like mopping a floor with a dirty bucket. We open the blower compartment, clean the squirrel cage and motor housing, and treat the evaporator coil if accessible. This step is where cheaper competitors often cut corners, and it’s why we include it in every full-system quote upfront.

Trusted Brands We Service in Walnut

We stock parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies, and our cleaning equipment includes Nikro negative-air machines and Rotobrush rotary systems. For Walnut customers, this means we don’t need to order a standard media filter or a common duct access panel – we carry it. Turnaround on most residential jobs is same-week because our trucks are loaded for the specific duct configurations and filtration setups common in 1980s – 1990s tract homes. If your system uses an Aprilaire 2200 or Honeywell F100, we have the replacement media on the van. If your ductwork needs Duct Sealing - Walnut after cleaning, we apply Guardsman- or Abatement Technologies-rated mastic, not hardware-store tape that’ll fail in a hot Walnut attic within two seasons.

Common Air Duct Cleaning Problems We See in Walnut Homes

• Disconnected attic takeoffs in second-floor chases. The original flex duct slips off its collar after decades of thermal cycling in Walnut’s hot attics. The register blows weak or warm air, and homeowners blame the AC unit when the duct is the culprit. Camera inspection finds it in minutes; reattachment and sealing fixes it permanently.
• Crushed flex runs from foot traffic or storage in attics. Walnut’s two-story homes often have attic hatches near duct chases, and years of homeowners stepping over or storing boxes on flex duct leaves flat sections that restrict airflow to entire zones. We replace the crushed section with properly supported new flex or rigid duct.
• Construction dust from the 57/60 corridor infiltrating outdoor intakes. Ongoing freeway work near Walnut sends fine concrete and asphalt particulate into the air, especially during Santa Ana wind events. This dust loads up return ducts and blower compartments faster than typical residential dust, making more frequent cleaning necessary for homes near the construction zone.
• Dirty blower motors feeding contamination back through clean ducts. Competitors who skip the air handler leave the source intact. We find this constantly in Walnut: a homeowner paid for “duct cleaning” six months ago and the registers are already dirty because the blower was never touched.

Pricing for Air Duct Cleaning in Walnut, CA

We Also Serve Cities Near Walnut

Our crews work throughout the San Gabriel Valley, including Air Duct Cleaning in Walnut and surrounding communities: Rowland Heights to the south, Diamond Bar to the east, La Puente to the west, and West Covina to the northwest. Same equipment, same written pricing, same 365-Day Done Right Promise at every stop.

FAQs About Air Duct Cleaning in Walnut