Frequently Asked Questions - Air Duct Cleaning
Straight answers to the questions Los Angeles homeowners ask us most about air duct cleaning, pricing, and how the whole process works. If you don't see your question here, call (469) 972-3151 and we'll talk it through.
Pricing & Cost FAQs
For most Los Angeles homes, whole-system air duct cleaning runs between $350 and $750 depending on home size, number of vents, and how long it's been since the last cleaning. A typical 2,000-square-foot house with 12 to 15 vents lands in the $400 to $550 range. Homes that haven't had ducts cleaned in a decade or more, or systems with heavy buildup from wildfire smoke and construction dust, may run higher. Every Kestrel Air Duct Cleaning job gets a written price before any work starts, so the number on the quote is the number you pay. Call (469) 972-3151 for an exact quote based on your home.
Low teaser prices usually mean a bait-and-switch is coming. A $49 or $99 whole-house duct cleaning is not economically viable for a real cleaning crew, so the final invoice always ends up far higher once the tech arrives with add-ons for every vent, sanitizer, or filter upgrade. Some operators also run a straight scam: they show up, wave a camera around, and claim your ducts are full of mold to pressure an upsell. We give one flat price per system before work begins, no per-vent pricing, and no surprise line items. The price we quote is the price you pay.
We quote a single flat price for the entire duct system. You'll know the full cost before the crew arrives. Our customers tell us the same thing over and over: they hate companies that quote one number on the phone and present a different number at the door. So we don't play that game. The written estimate covers the whole system: supply ducts, return ducts, registers, and the main trunk lines. If the job scope needs to change for some legitimate reason, we'll put a revised price in writing before continuing. Call (469) 972-3151 to get your flat-rate estimate.
Three things move the price more than anything: home size, the number of supply and return vents, and the level of contamination inside the ductwork. A two-bedroom condo in Koreatown will cost less than a five-bedroom house in Encino simply because there's less ductwork. Older Los Angeles homes with decades of accumulated dust, pet hair, and smog particulates often need more time and agitation to clean thoroughly. Accessibility matters too: furnaces crammed into tight attic spaces or crawl-under pier-and-beam foundations in older LA neighborhoods take longer to work around. Your written quote accounts for all of it upfront.
Los Angeles pricing runs slightly above the national average, mostly because labor and operating costs are higher here than in most other metros. A $450 job in Dallas might run $550 in LA for the same square footage. But the range is not dramatically different, and a reputable company will land in the same general band regardless of city. What matters more than geography is the company's pricing model. You'll find $99 bait ads in every city, and the final bill after the upsell always lands in the same place. Get a written flat price and geography stops mattering.
Standard homeowners insurance does not cover routine air duct cleaning. It's considered maintenance, like gutter cleaning or pest control. The one exception is when ducts were contaminated by a covered event, like smoke damage from a fire or water damage from a burst pipe. In those cases, duct cleaning may be included in your claim as part of remediation. We're happy to provide the documentation your adjuster needs, including before-and-after photos. For everyday cleaning, most LA homeowners pay out of pocket. Call (469) 972-3151 and we'll walk you through what your policy might cover.
Service & Process FAQs
The process takes between 3 and 6 hours for most Los Angeles homes. First, we seal off each register and connect a high-powered vacuum to the main trunk line to create negative pressure. Then we agitate the inside of the ducts with rotating brushes, air whips, and compressed air to dislodge built-up dust, pet dander, and debris so the vacuum can pull it out. Finally, we clean the registers, grilles, and the blower compartment, leaving the system moving air freely again. We use professional equipment from brands like Nikro and Abatement Technologies, not a shop vac.
We clean the entire system. That means every supply vent, every return vent, the main trunk lines, branch ducts, and the plenum at the furnace. Skipping vents is how a cheap or lazy cleaning leaves half the problem in place. In Los Angeles, where windows stay shut and AC runs for months, dust accumulates everywhere in the system, not just in the big main lines. Your flat-rate quote includes every vent in the house. Before we wrap up, we'll show you before-and-after photos of your own ducts so you can see the work was actually done.
Plan on three to six hours for a typical single-family home in Los Angeles. Smaller condos can run closer to two hours, while large houses with complex duct layouts, multiple HVAC zones, or heavily contaminated systems can push toward a full day. The work itself is methodical: every register gets sealed and cleaned individually, every branch line gets agitated and vacuumed. We'd rather take the time to do it right than rush through and leave dust behind. When you book, your local team will give you a real arrival window and stick to it.
Yes, usually noticeably. Most dust inside a home is not coming in through open windows. It circulates through the HVAC system, getting pulled into return vents, blown through the ductwork, and redistributed into every room. When ducts are caked with dust, the system becomes a dust delivery network. After a professional cleaning, that reservoir is gone. LA homes see a particularly dramatic difference because the dry climate and wildfire season pump fine particulate into the system. Give it a week or two and you'll see less dust settling on shelves and TV stands.
This is the question we love answering, because it's the one honest companies never dodge. We take before-and-after photos inside your actual ducts and show them to you before we leave. You'll see the inside of your trunk line before the cleaning, caked with dust and debris, and then after, when it's clean metal. We also do a final walkthrough to confirm every register was cleaned. If you want, we'll point out what we found, what we removed, and answer any questions about what you're seeing. You hired us to clean your ducts; you should be able to see it.
You don't need to be home for the entire job, but you do need to be there at the start to let the crew in and walk through the scope of work. After that, most Los Angeles homeowners go about their day. The cleaning is loud, with a high-powered vacuum running, so working from home during the job can be difficult. If you need to step out, we'll coordinate access and lock-up details with you ahead of time. We'll call you when the job is wrapping up so you can do the walkthrough and see your before-and-after photos.
Brands & Parts FAQs
Our teams run professional-grade negative air machines and agitation tools from brands like Nikro, Abatement Technologies, and Honeywell. These are the same tools used in commercial and industrial duct cleaning, sized down for residential work. The difference between this equipment and the hardware-store shop vac some companies use is night and day. A proper negative air machine creates the suction needed to pull debris through the entire duct system, not just the first few feet. That's why we get the results we do in LA homes with seriously dirty systems.
Yes. We run a camera through the ductwork before we start so you can see exactly what's inside your system: dust buildup, pet hair, construction debris, or in some Los Angeles homes, decades of accumulated grime from before the era of regular HVAC maintenance. The camera inspection is also how we spot problems that need a different kind of attention, like disconnected ducts, crushed flex lines, or pest intrusion. After the cleaning, we run the camera again. You see the before and after with your own eyes, on your own ducts.
Yes, and we recommend using a good one. After the ducts are clean, the filter is the first line of defense against new contamination. Los Angeles air carries wildfire smoke, smog, and fine particulate, so a quality MERV 8 to MERV 13 filter will do real work. Cheap fiberglass filters only protect the equipment, not your air. Brands like Aprilaire and Honeywell make excellent mid and high-range filters that fit standard residential systems. We'll tell you exactly what size and rating your system takes and point you to what we'd use in our own homes.
They serve different purposes. Nikro and Abatement Technologies build the heavy-duty negative air machines and air whips that do the actual cleaning, which is why our crews rely on them daily. Honeywell and Aprilaire are better known for filtration and air quality products, which we recommend for post-cleaning maintenance. You don't need to know the brand names to get a good cleaning; a reputable company picks the right tool for the job. But when you see what we're running versus a guy with a shop vac and a brush, the difference is obvious.
Licensing & Insurance FAQs
Yes. Every Kestrel Air Duct Cleaning location is required to carry the insurance their state mandates for residential work. That protects you if anything goes wrong: a dropped tool, a damaged register, a scuffed wall. Before you book any duct cleaning company, ask to see proof of insurance. Legitimate companies will show it without hesitation. We're happy to provide documentation when you schedule your cleaning. It's a reasonable thing to ask, and in Los Angeles, where unlicensed operators are common, it's a smart way to filter out the ones who shouldn't be in your home.
Every pro working under the Kestrel Air Duct Cleaning name is required to hold the license and insurance their state requires for this work. The local teams are vetted by the Kingswell Guarantee standards: a written price before any work starts, a real arrival window, a clean job site, and a written guarantee on the work. Dale Whitmore built Kestrel Air Duct Cleaning on that standard, and every location is expected to uphold it. When a crew arrives at your Los Angeles home, you should expect professionalism from the first knock to the final walkthrough.
Three things. First, ask for proof of insurance and licensing. If they hesitate, hang up. Second, demand a written price before the crew arrives. If they won't put it in writing, you're dealing with a bait-and-switch operator. Third, ask how they'll prove the work was done. If the answer is vague or they get defensive, move on. Los Angeles has more fly-by-night duct cleaners than almost any city in America, because the housing stock is dense and the marketing is cheap. A reputable company will answer all three questions without blinking.
Emergency & Response FAQs
Mold in ductwork is a serious issue and should be addressed quickly. Call (469) 972-3151 and we'll get you scheduled with the local Los Angeles team as soon as possible. Our hours are Monday through Friday 7:00 AM to 7:00 PM and Sunday 7:00 AM to 7:00 PM. One note of caution: duct cleaning removes mold spores and contaminated dust, but if you have an active moisture problem inside the ducts, that needs to be solved separately or the mold will return. We'll tell you honestly what cleaning can fix and what needs a different kind of help.
We do. Our Sunday hours are 7:00 AM to 7:00 PM, and we understand that many Los Angeles homeowners can't take a weekday off work for a service call. The same flat-rate written pricing applies on Sunday as any other day, and you'll get the same arrival window commitment. Monday through Friday we run 7:00 AM to 7:00 PM as well. Call (469) 972-3151 and our coordinator will connect you with the local team covering your address and find a time that works for your schedule.
Yes. New construction and renovations in Los Angeles leave drywall dust, sawdust, paint chips, and debris throughout new or existing ductwork. Builders are supposed to seal off ducts during construction but often don't, and the HVAC system blows that debris into the house for months afterward. Our cleaning removes it. The process is the same as a standard cleaning, but construction dust can be more stubborn, so we may spend extra time agitating the insides of the ducts. If you're doing a renovation, schedule a duct cleaning after the drywall and paint work is complete.
We can clean the ducts after the pest problem is handled. Rodents in ductwork leave behind droppings, urine, nesting material, and contaminated insulation, all of which need to be removed with professional equipment and proper precautions. What we can't do is solve the infestation itself. If animals are still getting into your ducts, you'll need pest control or an HVAC contractor to seal the entry points first. Once the intruders are gone, we'll clean and sanitize the system so you're not breathing what they left behind. Call (469) 972-3151 and we'll talk through your situation.
Warranty & Guarantees FAQs
Every Kestrel Air Duct Cleaning location works to the same four promises: a written price before any work starts, a real arrival window that we actually hit, a clean job site when we leave, and a written guarantee on the work. If something fails inside the guarantee period, we come back and fix it at no charge. Dale Whitmore and the Kingswell family built this company on the principle that you shouldn't have to wonder whether the company you hired will show up, do the work, and stand behind it. The guarantee is in writing, on every job.
Call us. If the job didn't meet your expectations, we want to know and we want to make it right. The Kingswell Guarantee includes a written commitment that if the work fails inside the guarantee period, we return and fix it at no charge. You'll have the owner's name, Dale Whitmore, and the phone number, (469) 972-3151. You won't be hunting down a call center or leaving voicemails into the void. Our coordinator answers, and we'll get the local team back out.
The guarantee period is spelled out in writing before you pay a dime. That's the point of The Kingswell Way: put the guarantee in writing. The exact length varies depending on the scope of work, but you will know it before the job starts, and you'll have it in hand after the job ends. What we can tell you without exception is this: if something fails inside the guarantee period, we come back and fix it at no charge. That's the standard every Kestrel Air Duct Cleaning location is built on, from Los Angeles to the East Coast.
Every 3 to 5 years for most Los Angeles homes. If you have pets that shed heavily, you do a lot of cooking with gas, or you live near a freeway or in a wildfire-prone zone, you may want to lean toward every 2 to 3 years. Homes with recent renovations should be cleaned once after the work is finished, regardless of timing. The markers that tell you it's time: visible dust blowing from vents, dust accumulating on surfaces quickly after cleaning, a musty smell when the AC kicks on, or a sudden spike in allergy symptoms. Trust the signs, not a fixed calendar.
No. A shop vac can clean the first few feet of a duct, but it doesn't have the suction power or reach to clean the full system. Most of the dust and debris sits deep in the trunk lines and branch ducts, far beyond what you can reach from a register. You also risk damaging ducts if you poke the wrong tool into a flex line. Professional negative-air equipment from brands like Nikro and Abatement Technologies pulls debris through the entire system. For $400 to $600 on a Los Angeles home, a real cleaning is one of the better values in home maintenance.
Written by Dale Whitmore, Owner at Kestrel Air Duct Cleaning, serving Los Angeles since 2004.
Still Have Questions?
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