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.
Trusted Air Duct Repair for Chatsworth Homeowners
Air duct repair in Chatsworth usually means one of three things: a visible tear in a flex duct, a disconnected joint spilling conditioned air into an attic, or a crushed return run that’s pulling dust from somewhere it shouldn’t. Most homeowners don’t discover any of these until rooms stop holding temperature or utility bills start climbing for no obvious reason. That’s what we fix, and we do it with the same professional-grade equipment we use on our cleaning jobs. Stan Maddox runs every job with one rule: find the actual leak, seal it correctly, and show you the work before we leave. If you suspect a duct problem, call (888) 494-4745. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Chatsworth homes sit in a hot, dry valley climate where the difference between a sealed duct system and a leaky one shows up on the first 95-degree day. A disconnected supply run that bleeds cooled air into a 130-degree attic can force your AC to run hours longer. Air duct repair isn’t a luxury add-on here. For a lot of single-story ranch homes and two-story tracts around the Santa Susana Pass, it’s the difference between a system that keeps up and one that doesn’t. We serve Chatsworth and the surrounding communities with repair work that treats the duct system as a connected whole, not a collection of isolated problems.
HVAC Duct Installation
HVAC Duct Installation is the process of running new supply and return ductwork from your furnace or air handler to the rooms it serves. You need it when a section of existing duct is too damaged to repair, when a remodel changes room layouts, or when original ductwork was undersized from the start. Duct Cleaning Chatsworth assesses the existing system first, then installs new runs that match the airflow your equipment actually needs. Typical costs in Chatsworth run $900 to $2,800 depending on the number of runs, accessibility, and whether we’re replacing a single section or doing a full system. Every job starts with a free written estimate so you know the number before any work begins.
Sizing Done Right
Undersized ductwork is one of the most common problems we find in older Chatsworth homes. A new install that copies the old dimensions just repeats the same airflow problem. We measure actual room loads and match duct diameter to what the system needs, not what happened to be there before.
Sealed From Day One
Every joint on a new install gets sealed before insulation goes over it. That’s the step that keeps attic air out and conditioned air in. Skipping it is why some so-called new installs start losing efficiency within the first year.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Replacement
Air Duct Replacement means removing a deteriorated section of duct and installing new material in its place. It’s the right call when flex duct has torn, rigid duct has rusted through, or years of pressure and heat have degraded the material to the point where repair would be a temporary patch on a permanent problem. We handle this in crawl or attic spaces, using the same approach whether it’s one five-foot run or every branch off the main trunk. Air Duct Replacement in Chatsworth typically costs $700 to $2,200 depending on material, run length, and access. The written estimate you get before we start is the price you pay.
Flex vs. Rigid Decisions
Flex duct is cheaper and faster to pull, but it’s not the right choice everywhere. In tight attic spaces over a Chatsworth home’s vaulted ceilings, rigid duct with proper elbows often holds up better. We explain the tradeoff for your specific layout rather than defaulting to whatever’s easiest to drag through the hatch.
When Replacement Beats Repair
A tear under three feet can usually be repaired. A run that’s collapsed, mold-stained, or more patch than original needs to go. We’ll show you photos of the damage and explain why replacement makes sense before we recommend it. You should never be guessing why a section got condemned.
Ductwork Repair
Ductwork Repair is the surgical fix: sealing separated joints, patching small tears, re-hanging sagging runs, and reconnecting boots that have pulled away from floor or ceiling registers. Most homes don’t need full replacement. They need a trained set of eyes to find the ten small leaks that collectively add up to a big airflow loss. Duct Cleaning Chatsworth uses mastic sealant and UL-rated tapes, not the gray fabric tape that dries out and falls off in an attic after two summers. Ductwork Repair in Chatsworth typically falls between $350 and $1,400 depending on how many separate issues we find. It’s the most common service we provide because most systems have never been looked at since they were built.
Finding Leaks You Can’t See
Most duct leaks aren’t visible from the attic hatch. They’re hidden inside insulation wrap or buried behind dried-out mastic. We trace the full run from plenum to register when we inspect, because the leak that matters is often three feet from the one you can see.
Repair Materials That Last
We use the same adhesion and sealing approach that holds up through Chatsworth summer heat cycles. Cheap tape fails. Mastic applied over a clean surface stays put. The material matters, and we don’t shortcut it just to bid lower.
Duct Replacement
Duct Replacement is the broader version of the job: taking out an entire trunk line or a major branch system and installing new ductwork in its place. You’d consider it when the main supply plenum is damaged, when multiple branches are compromised, or when a renovation makes the existing layout unworkable. Duct Cleaning Chatsworth plans the replacement around your home’s actual layout, not around what’s easiest to reach from the attic entrance. Full or major Duct Replacement in Chatsworth typically costs $2,000 to $5,500 for most residential systems. Smaller section replacements run lower. Every project is priced per job by written estimate, never per vent.
Planning For Balance
A replacement job is a chance to fix room-to-room imbalance that the old system had. One hot bedroom in a two-story Chatsworth house is often a duct sizing issue, not an AC problem. We look at the whole picture when we replace, because you’re paying for the opportunity.
Insulation And Code
New duct runs get re-insulated to current standards where they pass through unconditioned space. That’s not an upsell. It’s the difference between the air you paid to cool arriving at the register at temperature or arriving warmed by the attic. We don’t skip it, and we don’t bury it as an extra line item.
Ductwork Installation
Ductwork Installation is the complete build: designing and installing supply and return ducts for a new system or a major addition. It’s different from replacement because there’s no existing layout to follow. You’re starting from the equipment and working forward. Duct Cleaning Chatsworth handles this for additions, garage conversions, and whole-home re-ducts where the original system was so badly designed it’s not worth saving. Ductwork Installation in Chatsworth typically costs $2,800 to $6,500 for a full system, with smaller additions starting lower. The free estimate includes a full material and labor breakdown so there are no surprises when the crew arrives.
Layout Logic
Good duct layout puts the longest run closest to the blower and the shortest run farthest away. That sounds backwards until you understand static pressure. We design runs so airflow balances naturally, which means fewer damper adjustments and fewer rooms that never seem to reach the right temperature.
Register Placement That Works
Where a register sits matters more than most people realize, especially under windows and near exterior walls. Our layouts put supply registers where they counteract heat gain in summer and cold spots in winter. The system works because it was laid out to work, not just to fit.
Brands We Service
We work on duct systems connected to every common residential furnace and air handler brand, and we know the equipment-side details that make a repair hold up. A Honeywell zoning system, for example, depends on properly sealed duct branches to keep dampers working the way the control board expects. If air leaks at the joints, the zone system fights itself and rooms never satisfy. We service Honeywell-connected ductwork with attention to how the duct system interacts with the controls.
We’re also familiar with Aprilaire filtration and humidification units that sit in the duct stream. When we repair or replace ductwork around an Aprilaire installation, we make sure the mounting flanges, bypass runs, and access panel clearances are handled so the unit keeps doing its job. The same applies inline equipment from Abatement Technologies when it appears in systems that previously had a contamination event. Whether you have Honeywell, Aprilaire, or any other make connected to your ducts, we can handle the repair and show you the result.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Rooms that won’t reach the thermostat setting. One room that runs five degrees warmer than the rest of the house is a classic duct problem. Leaks in the branch feeding that room bleed cooled air and Starve the register. Repairing or replacing the run usually solves it without touching the AC equipment.
- Dust that returns fast after cleaning. If surfaces stay dusty weeks after a thorough cleaning, your ducts may be pulling attic or crawlspace air through leaks. Air Duct Repair addresses that intake path so the air entering your rooms actually comes from the return grille, not from the insulation above the ceiling.
- Whistling or rattling when the blower runs. A high-pitched whistle is air escaping through a small gap under pressure, and rattling often means a loose connector or broken hanger. Both are mechanical problems that get worse. Ignoring them just widens the leak and raises the repair bill.
- Utility bills climbing without a weather change. Leaking ducts force longer run times. If your bill is up but your habits haven’t changed, a duct inspection is cheaper than chasing an HVAC equipment diagnosis that comes back clean. The problem is usually in the runs, not the condenser.
- Visible crushed or disconnected duct in the attic. If you’ve been up in the attic and seen a flex run pinched under a storage box or a joint hanging open, that’s confirmed leakage. It’s also filtering unfiltered air through your system. A fast dispatch from 7am to 7pm, Sunday through Friday, puts a trained set of eyes on it before it costs you more.
Our Process, Step by Step
- 1
System-wide inspection. We start by examining every accessible run from the plenum to each register, not just the obvious spot. We look for disconnected joints, crushed flex, missing insulation, and signs of past water or pest activity. The goal is a complete map of what’s wrong, which is the only way to give you a meaningful estimate.
- 2
Written estimate with photo documentation. You get a per-job price in writing, not a vague range subject to change. We show you photos of what we found and explain what needs to happen in plain terms. There’s no pressure to proceed on the spot, and no surprise line items added later.
- 3
Repair or replacement work. The actual work uses mastic sealant, UL-rated tape, and proper hangers rated for attic temperatures. If sections need replacing, we use duct matched to your system’s airflow requirements. Every joint is sealed before insulation goes back over it.
- 4
Airflow verification. After the work is done, we check register airflow across the affected rooms and compare it to what we measured at the start. That’s how we confirm the repair actually changed system performance, not just that we installed parts.
- 5
Final walkthrough and photos. You see before-and-after photos of everything we repaired or replaced. If we found something else while working, you’ll know about it before we leave. The job isn’t done until you’ve seen the work and had every question answered.
How Much Does Air Duct Repair Cost in Chatsworth?
A typical ductwork repair in Chatsworth runs $350 to $1,400 depending on the number of leaks, the difficulty of access, and whether material needs replacing. Air duct replacement for a single run typically falls between $700 and $2,200. Full ductwork installation runs $2,800 to $6,500 for a complete residential system. These are honest ranges for the area, and the written estimate you get before work starts is the final word, not a teaser.
Several factors move the price: how much of the system is accessible from the attic versus buried in finished ceilings, whether the existing insulation can be reused, the total feet of replacement duct, and whether the job is a straightforward repair or a redesign of poor original layout. Overpaying usually happens when a company quotes per vent and finds “additional issues” after the paperwork is signed. Our estimate covers the complete job at one flat price. If we find something extra during the work, you’ll hear about it from us before it becomes a bill. A free estimate means exactly that: we inspect, we document, we give you a number, and there’s no obligation.
Our Service Area Near Chatsworth
We work throughout the San Fernando Valley and the communities around it, including Porter Ranch, Canoga Park, Encino, Hidden Hills, and Westlake Village. To the west, we serve Thousand Oaks, Simi Valley, Oak Park, and Agoura Hills. North, we cover Santa Clarita and Valencia. When homes in Porter Ranch need a duct repair specialist, they call the same team our Chatsworth customers know. We’re also the duct repair choice for homeowners in Canoga Park who want a specialist rather than a generalist HVAC company. Fast dispatch from 7am to 7pm, Sunday through Friday, puts us at most doors in the area quickly.
Serving Chatsworth, CA – Our Local Coverage Area
We serve Chatsworth and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
Frequently Asked Questions About Air Duct Repair in Chatsworth
Air Duct Repair is the process of finding and fixing leaks, tears, disconnections, and damage in the ductwork that carries heated or cooled air through your Chatsworth home. It includes sealing joints with mastic, patching or replacing damaged flex, re-hanging sagging runs, and reconnecting boots that have separated from registers. The goal is to stop air loss so your HVAC equipment doesn’t have to run longer to compensate.
Most repair jobs in Chatsworth take between two and five hours depending on attic access and the number of leaks found. A full replacement of a trunk line or major branch may take a full day. We’ll give you a realistic time window with your estimate, and we don’t leave a project until airflow verification passes and you’ve seen the before-and-after photos.
Typical repair work runs $350 to $1,400, section replacement runs $700 to $2,200, and full Ductwork Installation runs $2,800 to $6,500. Access, run length, and the condition of existing material all affect the final figure. Every job is priced per project with a free written estimate. Call (888) 494-4745 to schedule an inspection and get an exact number.
Yes. We’re familiar with Honeywell zoning controls and Aprilaire filtration and humidification equipment installed in the duct stream. Our repair work accounts for how the duct system interacts with those devices so dampers, bypass runs, and mounting flanges aren’t compromised. Whatever equipment sits in your ducts, we can repair the ductwork around it.
Same-day service is available when the schedule permits. We answer 24/7, and crews are dispatched Sunday through Friday from 7am to 7pm. A call outside dispatch hours gets booked into the next available opening. Call (888) 494-4745 and we’ll tell you what’s open.
We stand behind our repairs and replacements. The specific terms depend on the scope of the job and the materials used, and we’ll put those in writing on your estimate. You’ll know exactly what’s covered before work starts, with no vague promises.
Clear a path to the attic access or crawlspace entrance, move any furniture blocking floor registers, and keep pets in a separate room while we work. That’s the full list. We bring our own equipment, including professional-grade tools from Nikro and Rotobrush for any cleaning that’s part of the scope, and we clean up before we leave.
Schedule Your Air Duct Repair Service in Chatsworth Today
Leaky or damaged ducts in Chatsworth won’t fix themselves, and every summer month costs you more than the last. Call (888) 494-4745 for a free, no-obligation estimate from Stan Maddox and the team at Duct Cleaning Chatsworth. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. You’ll get a written price and a straight answer.
Written by Stan Maddox, Owner at Duct Cleaning Chatsworth, serving Chatsworth since 2017.