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.
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Before
AfterFull System Cleaning in Los Angeles, CA
Full system cleaning means we clean every part of your HVAC airflow path: supply ducts, return ducts, the main trunk lines, the air handler or furnace cavity, the coils, the blower motor, and all register covers. For most Los Angeles homes, this takes between 4 and 7 hours and runs from $450 to $900 depending on home size, system count, and how much buildup has accumulated. Kestrel Air Duct Los Angeles does this work with negative-air extraction and rotary brush agitation, which we’ll explain in plain terms below. Call (213) 733-0665 and we’ll give you a written price before a single vent is touched.
If you’re looking for a broader overview of our Air Duct Cleaning service in the area, that page covers what we do across the whole system. This page focuses specifically on full system cleaning: what it includes, when you need it, what it costs in Los Angeles, and how the Kingswell Guarantee applies to every visit we make.
Full system cleaning is different from a quick vent wipe-down. It’s the difference between emptying the lint basket and taking the whole dryer apart. Los Angeles homes deal with a specific mix of contaminants: fine dust from the 5 and 405 freeways, pet dander from indoor cats and dogs, sand and silt tracked in from yards and hiking trails, and the fine particulate that settles into ductwork during Santa Ana wind events. A partial cleaning leaves those particles in the return side, where they recirculate. A full system cleaning pulls them out of the entire loop.
When You Need Full System Cleaning
Most homeowners don’t think about their ducts until something forces them to. Here are the situations where full system cleaning is the right call, not an upsell:
- You’ve never had it done, and the home is 7 or more years old. Ducts accumulate a visible layer of dust in about 5 to 7 years of normal Los Angeles living. If your home predates that and no one’s cleaned the system, you’re breathing whatever the previous owners left behind.
- Someone in the house has allergies or asthma that get worse indoors. When symptoms ease up away from home and flare up at night or on weekends, the ductwork is often the reservoir. Dust mites, pet dander, and pollen settle in ducts and blow back out every time the system runs.
- You just finished a renovation or major repair. Drywall dust, sawdust, paint overspray, and insulation fibers don’t stay in the work area. The HVAC system pulls them into the ductwork while it runs, and they keep circulating for months afterward. We see this constantly in homes that just had a kitchen or bathroom remodel.
- There’s visible dust on the register covers or blowing from the vents. If you see grey streaks above the registers on walls or ceilings, that’s particle-laden air staining the surface. When you hold a tissue at the vent and it moves while the blower runs, normal. When it turns grey after a few days, not normal.
- Your energy bill crept up without a change in usage. A blower motor working against caked coils and a clogged filter pulls more amps. A dirty evaporator coil reduces heat exchange efficiency by 15 to 25 percent in Los Angeles’ hot summers, which means the system runs longer to hit the same temperature.
- You smell something odd when the system starts up. Musty, stale, or “old house” smells on startup usually mean organic matter is sitting in the ductwork or on the coil. In Los Angeles’ coastal microclimates, condensation on coils plus dust creates that exact smell within a season or two.
Our Full System Cleaning Process
We follow the same sequence on every full system cleaning job. The order matters because it keeps loosened debris contained and moves it only one direction: out of your home.
- System inspection and written price confirmation. The technician examines your furnace or air handler, checks access points, photographs the duct openings, and confirms the written price with you before beginning. The number you were quoted is the number you pay. This is a Kingswell Way requirement, not a courtesy.
- Seal off and protect the work area. We cover flooring near each vent and around the air handler. Drop cloths go down before equipment comes in. Your furniture doesn’t get a layer of fine dust on it because we contain the workspace first.
- Negative-air extraction setup. We connect a Nikro negative-pressure unit to the duct system. This machine creates a continuous vacuum inside the ductwork, which is the plain-English version: it pulls air through the ducts the whole time we’re working, so loosened debris moves toward the vacuum and not into your living room. Think of it as an exhaust fan for your ductwork.
- Rotary brush agitation of all duct runs. We run a Rotobrush rotary brush system through every supply and return duct. The rotating bristles scrape debris off the duct walls at the surface, breaking up the film that static electricity glues to the metal. The brush agitates; the Nikro pulls; nothing drifts back into the room.
- Air handler, coil, and blower cleaning. We open the air handler or furnace cabinet, clean the evaporator coil with a non-corrosive coil cleaner, vacuum the blower blades and motor housing, and clear the condensate drip pan and line. This is the step most duct-cleaning companies skip, and it’s the one that makes the biggest difference in airflow and odor.
- Final inspection and filter fitment. We walk you through the system before we pack up, show you the before-and-after photos from the ducts, and make sure a clean filter is installed. If we’re using HEPA filtration during the job, the Abatement Technologies HEPA unit stays running through this step so the room air stays clean.
Full System Cleaning Pricing in Los Angeles
Full system cleaning in Los Angeles typically costs between $450 and $900. The spread comes from real variables, not from how the technician feels that day. Here’s what drives the number:
- Number of systems. A single furnace with one set of ducts is the baseline. If you have two HVAC systems, which is common in larger Los Angeles homes with dual zones or an addition, the price goes up because it’s two full cleanings.
- Home square footage and vent count. More vent openings means more duct runs, more register covers to remove and clean, and more time. A 1,200-square-foot condo lands at the lower end. A 3,500-square-foot house with 20-plus vents lands at the upper end.
- Access difficulty. If the air handler is in a tight attic or a crawlspace, setup takes longer. Los Angeles homes from the 1920s through the 1960s often have awkward furnace closets in hallways, and those require more care and time.
- Degree of buildup. Light residential dust cleans faster than a decade of pet hair, candle soot, and renovation debris. We confirm the condition during inspection and adjust the written price before any work starts, not after.
- Filter and IAQ upgrades. If you want a Honeywell or Aprilaire media filter cabinet installed during the visit, or a Guardsman filter upgrade, we’ll add that to the written estimate as a separate line item. No surprises.
Every full system cleaning quote includes a written price before work begins. You’ll know the full number in advance, with no door-step revisions. Call (213) 733-0665 for a free estimate. We’ll ask about your home size, system count, and what you’ve noticed in the air, and we’ll give you a real number in writing.
FAQs – Full System Cleaning
How long does full system cleaning take in Los Angeles?
Full system cleaning in Los Angeles takes between 4 and 7 hours for a typical single-system home. The time depends on vent count, duct length, and how much buildup the system has accumulated. Two-system homes can take a full day. We schedule a defined arrival window and hold to it, per the Kingswell Way.
What’s the difference between air duct cleaning and full system cleaning?
Residential duct cleaning covers the ductwork itself: the supply and return runs that carry air between the blower and your rooms. Full system cleaning includes the ductwork plus the air handler cabinet, evaporator coil, blower motor, and condensate line, which is the equipment that moves and conditions the air. For most Los Angeles homes with a standard forced-air system, we recommend the full system service because the coil and blower are where the worst buildup lives.
Is full system cleaning worth it if I just change my filters regularly?
Regular filter changes help, but they don’t stop buildup in the ductwork and on the coil. A filter only captures what passes through it, and it never touches the supply-side ducts or the coil surface. We’ve cleaned systems in Los Angeles where the homeowner changed filters every 90 days for years, and the coil was still caked with a quarter inch of grey muck. Full system cleaning addresses the entire loop, not just the air going into the return.
Will full system cleaning reduce dust in my house?
Yes, full system cleaning reduces dust in the house. Most Los Angeles homeowners notice less dust on horizontal surfaces within 7 to 10 days after a full system cleaning, because the system is no longer recirculating its own accumulated particulate. We can’t eliminate dust entirely, since Los Angeles air carries dust from traffic, construction, and the desert, but we can stop the HVAC system from being an amplifier. Call (213) 733-0665 to talk about what you’re seeing on your furniture and we’ll tell you if it matches what we’d expect from your duct condition.
Can you come today?
We’re typically scheduling full system cleanings within 3 to 7 days of your call, depending on the season and the neighborhood. If you have an urgent situation, like visible mold growth in the ducts or dust blowing from every vent after a renovation, call (213) 733-0665 and we’ll do our best to work you in sooner. Our calls are answered by a live person around the clock, so you’ll never drop into a voicemail queue.
The Kingswell Guarantee on Full System Cleaning
Every full system cleaning in Los Angeles is covered by the 365-Day Done Right Promise, and it’s in writing on every job we do. Here’s what it means in plain terms: if the work falls short within 365 days of the cleaning date, we come back and make it right at no charge. That includes a second visit if your system isn’t performing the way we said it would. You don’t have to convince us. You point to the written guarantee, and we schedule the return.
The guarantee is part of the Kingswell Way, the code we’ve operated under since 2004. The four commitments on every visit: a written price before work begins, a defined arrival window we hold, a clean job site when we leave, and the written guarantee on the work we do. Dale Whitmore runs Kestrel Air Duct Los Angeles under that same standard, and it applies to every full system cleaning we book.
Call (213) 733-0665 today for a free estimate on full system cleaning in your home. We’ll ask a few questions about your system, give you a real price in writing, and schedule a visit that works for you. If the system doesn’t need full cleaning, we’ll tell you that too and recommend what it does need.
Written by Dale Whitmore, Owner at Kestrel Air Duct Los Angeles, serving Los Angeles.