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 Rancho Park Homeowners
Air duct repair in Rancho Park, CA typically runs between $350 and $1,400 depending on how much of the system is damaged and whether sections need replacement. Most repairs we handle are done in a single visit, and we carry the materials to patch or replace most residential ductwork on the spot. If you’ve noticed weak airflow from one vent, a musty smell when the system kicks on, or rooms that never reach the right temperature, call us at (855) 974-1911. Frank Prentiss and our team have worked on hundreds of duct systems across Rancho Park and the surrounding Westside, and we’ll tell you honestly whether you need a repair or a replacement before any work begins.
HVAC Duct Installation
HVAC Duct Installation is the complete installation of new ductwork when an existing system is too damaged, undersized, or poorly designed to keep. In Rancho Park, many homes built in the 1940s and 1950s still run on original sheet metal ducts that are rusted through in places, wrapped in degrading asbestos-era insulation, or simply never sized for modern air conditioning loads. When rust and damage are too extensive, Rancho Park Air Duct Repair may be needed before any new installation. We install replacement duct systems that match your HVAC unit’s CFM requirements, sealed properly at every joint so conditioned air reaches the rooms it’s supposed to. A full HVAC duct installation in Rancho Park typically runs $1,800 to $4,200 depending on home size and accessibility.
When Existing Ducts Can’t Be Saved
There’s a point where patching becomes throwing good money after bad. If more than 30 percent of your ductwork is compromised, if joints are separating throughout long runs, or if the original layout was never balanced correctly, new installation is the cheaper long-term decision.
We’ll show you exactly what we found before recommending replacement. No one should pay for a new system on a guess.
What a Proper Install Includes
We run new flexible or rigid duct to each register, seal every connection with mastic and UL-listed tape, and support the runs so they don’t sag over time. We also verify airflow at each register after the job, not just at the plenum.
Our Rotobrush and Nikro systems come out on every install so the new ducts start clean, not with construction dust already inside them.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Replacement
Air Duct Replacement is what you need when sections of your ductwork are collapsed, crushed, or rusted beyond repair. In Rancho Park, we commonly see this in crawlspaces where decades of moisture have eaten through older sheet metal, or where previous renovations left flex duct pinched between framing members. We also provide Air Duct Repair in Sawtelle for similar moisture-related issues. We replace individual damaged runs rather than pushing a full-system replacement when it isn’t necessary. Expect to pay $600 to $2,000 for partial air duct replacement depending on how much ductwork is involved and how tight the access is.
Targeted Replacement, Not Upselling
Most homes don’t need every duct replaced. We map the system, find the damaged sections, and replace only what’s failing.
That keeps your cost down and your system working. It’s also faster, usually finished in one visit.
Airflow Testing Before and After
We measure static pressure and register airflow before we start and again after the replacement is complete. The numbers tell us whether the repair actually solved the problem.
If a room was getting 60 CFM and should be getting 120, we confirm the new duct delivers. That’s the standard we hold the work to.
Ductwork Repair
Ductwork Repair covers the targeted fixes that most Rancho Park homes actually need: sealing separated joints, patching small holes, re-supporting sagging runs, and replacing crushed flex sections. We offer our Air Duct Repair in West Los Angeles with the same targeted approach. This is the bulk of our repair work, and it usually costs between $350 and $900 depending on how many issues we find. We start with a visual inspection of accessible ductwork and an airflow check at each register to pinpoint where the system is losing air, then fix what’s actually broken rather than selling you a full replacement.
Joint Sealing and Leak Prevention
The average duct system loses 20 to 30 percent of its conditioned air through gaps and poorly sealed joints. In Rancho Park’s older homes, that number is often higher because original ducts were sealed with materials that dry out and crack.
We seal joints with mastic, which stays flexible and doesn’t fail the way old tape does. Each joint gets inspected after application.
Sagging and Crushed Runs
Flex duct that sags between supports creates low spots where dust collects and airflow drops. Crushed duct is even worse, often reducing flow by half or more.
We re-support runs at proper intervals and replace any section that’s too deformed to pass air effectively. The result is a system that moves air the way the original design intended.
Duct Replacement
Duct Replacement is a broader job than repair, typically covering an entire trunk line or all branch runs from the plenum out. In Rancho Park, we recommend this when inspection shows widespread damage, or when the existing ducts are made of materials that can’t be properly sealed. For homes just east of here, Air Duct Repair in Cheviot Hills follows the same replacement criteria. A full duct replacement for a typical 1,500 to 2,500 square foot home here runs $1,800 to $3,800. We handle the entire job including removing old ductwork, sizing new runs correctly, and confirming balanced airflow at every register when we’re done.
Material Selection That Makes Sense
We don’t push one material on every home. Rigid sheet metal works well in Rancho Park’s crawlspaces where space allows; insulated flex duct handles tight attics with less heat gain in summer.
The choice depends on your home’s layout, your HVAC system’s output, and the condition of the access areas. We’ll explain the reasoning without jargon.
When Replacement Beats Repeated Repairs
If you’ve had repairs done twice in the same duct run within a few years, replacement is usually the better answer. Continued patching on compromised material rarely holds.
We’ll give you our honest read on whether your money is better spent on one comprehensive replacement or a series of smaller fixes.
Ductwork Installation
Ductwork Installation in Rancho Park covers new duct systems for additions, garage conversions, or homes that never had proper central air distribution. We see a lot of this in Rancho Park’s older housing stock, where new mini-split or central systems were added without rethinking the duct layout. A dedicated ductwork installation for an addition or conversion typically costs $1,200 to $3,000 depending on the number of registers and distance from the air handler. Every install is done to match your system’s blower capacity, not just connected and hoped for.
Sizing Based on Actual Load
We size ducts using manual calculations of each room’s heating and cooling load, not rules of thumb. That means south-facing rooms with big windows get the airflow they need, while smaller interior rooms aren’t overfed.
It’s the difference between a system that works and one that runs constantly trying to compensate for bad design.
New Ducts That Start Clean
We use our Rotobrush and Nikro cleaning systems on every new installation before handoff. New ducts shouldn’t have construction dust, drywall particles, or debris inside them on day one.
That’s a step most installers skip. We don’t, because the point is clean air delivery from the start.
Brands We Service
Our team has extensive hands-on experience with Honeywell and Aprilaire air quality systems commonly installed in Rancho Park homes. That matters when you’re deciding between repairing existing ductwork and upgrading to a whole-home filtration setup: we can tell you how an Aprilaire media cabinet will interact with your current duct layout, and whether a Honeywell bypass humidifier makes sense given your system’s configuration. This isn’t speculative advice. We’ve installed, serviced, and worked around these products in hundreds of local homes.
We also bring Abatement Technologies negative-air and containment equipment on jobs where duct cleaning disturbs heavy buildup. That prevents dislodged contaminants from spreading through the house during service, which is the same standard used in certified remediation work. Whether your system is paired with Honeywell, Aprilaire, or any other brand, our repair and installation work integrates with what you already have. We’ll tell you what’s compatible before we recommend anything.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- A vent that blows weakly while others blow strong. This points to a disconnected, crushed, or blocked duct run somewhere between the plenum and that register. The longer it goes unaddressed, the harder your HVAC system works to compensate, which shows up on your energy bill every month in Rancho Park’s summer heat.
- A musty or dusty smell right when the system starts. Damaged ducts pull air from crawlspaces and wall cavities, and that air carries whatever is in those spaces. If the smell disappears after a few minutes, it’s still in your ductwork, and it’s still being pushed into your living space.
- Rooms that never reach the thermostat temperature. If some rooms are comfortable while one stays hot or cold, the duct layout or condition is usually the culprit. Balancing the system starts with finding where the airflow is actually being lost.
- Visible damage on exposed ductwork in a basement or crawlspace. Crushed flex duct, rusted sheet metal, or joints that have separated are all direct losses of conditioned air. These are visible problems with measurable effects, not mysteries.
- Dust accumulation that returns days after cleaning. If you dust on Sunday and it’s back by Thursday, your ducts are likely pulling in unfiltered air from somewhere. Repairing the breach and sealing the system stops the intake at the source.
Our Process, Step by Step
- 1
Inspection and airflow measurement. We walk the accessible duct system and take static pressure and register airflow readings. These numbers tell us where resistance is high and where air is escaping, giving us a map of problems before we open anything up.
- 2
Findings, explained clearly. Frank Prentiss walks you through what we found, what it means for your system, and what the fix looks like. You get a flat price for the repair work before anything starts, not an estimate with vague caveats.
- 3
Containment and protection. If the job involves cutting into ductwork or disturbing collected dust, we set up Guardsman-level surface protection and Abatement Technologies negative-air containment. That means the mess stays where the work is happening, not in your living room.
- 4
Repair or replacement work. We patch, seal, re-support, or replace using materials matched to your existing system. Every joint gets sealed with mastic, every new run gets supported at proper intervals, and every repair gets verified with airflow readings.
- 5
Post-repair testing and walkthrough. Before we leave, we re-check static pressure and airflow at each affected register. You see the before-and-after numbers, and we don’t consider the job done until the system is moving air the way it should.
How Much Does Air Duct Repair Cost in Rancho Park?
A straightforward ductwork repair in Rancho Park, like sealing separated joints or replacing a short run of crushed flex duct, typically costs $350 to $900. Larger jobs involving multiple runs or trunk line replacement run $1,200 to $2,000, and full air duct replacement across a whole home sits in the $1,800 to $4,200 range. The variables are access (crawlspace work costs more than attic work), the type of existing duct material, and how much of the system is failing.
The honest way to avoid overpaying is to know what’s actually wrong before you hire anyone. That’s why our inspection is diagnostic first, not a sales pitch. We measure airflow, find the specific failures, and quote a flat price for exactly the work needed. No per-vent pricing, no bait-and-switch coupons, no surprise line items after the van is parked in your driveway.
Every estimate is free and includes the airflow measurements we take during inspection. You’ll see the numbers that justify the recommendation, whether it’s a $400 patch or a full replacement. Call (855) 974-1911 and we’ll schedule a time that works for you.
Our Service Area Near Rancho Park
Air Duct Cleaning Rancho Park serves homeowners throughout the Westside, including Sawtelle, West Los Angeles, Cheviot Hills, Palms, Wilshire Center, Beverlywood, Mar Vista, Pico-Robertson, Bel Air, Mid-City, and Carthay Circle. If you’re within a few miles of Rancho Park, we’re close by and can usually schedule within a day or two. Visit our home page to see more about our services and area coverage. We know the duct configurations common to this part of the Westside, from 1940s sheet metal in original homes to poorly executed flex duct retrofits from the 1980s and 1990s.
Serving Rancho Park, CA – Our Local Coverage Area
We’re based in the Rancho Park area and know this community well. Use the map below to see our service coverage – if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Air Duct Repair in Rancho Park
Air Duct Repair is the process of fixing damaged, disconnected, or leaking ductwork in your home’s heating and cooling system. It includes sealing separated joints, patching holes, replacing crushed sections, and re-supporting sagging runs. The goal is to restore the system to its designed airflow so every room receives the conditioned air it was built for. In Rancho Park’s older homes, this is often the single most effective fix for uneven temperatures and high energy bills. Call (855) 974-1911 to schedule an inspection.
Most air duct repairs in Rancho Park are completed in a single visit lasting 3 to 6 hours. Simple jobs like sealing joints or replacing one short duct run can be done in as little as 2 hours. Full duct replacement across a whole home may take a full day or extend to a second day for larger properties. We’ll give you a clear time estimate after the inspection, before any work begins.
Air duct repair in Rancho Park typically costs between $350 and $2,000 depending on the extent of damage and how many duct runs are affected. Sealing work and small patches run $350 to $900, while replacing multiple runs or a trunk line runs $1,200 to $2,000. Full system replacement goes higher, from $1,800 to $4,200 for a typical home. Call (855) 974-1911 for a free estimate with exact pricing for your system.
Yes, we have extensive hands-on experience with Honeywell and Aprilaire air quality equipment installed throughout Rancho Park. We can assess whether your existing Honeywell or Aprilaire components are compatible with duct repairs or upgrades we recommend. If you’re considering whole-home filtration, we’ll tell you what works with your current duct layout. Our familiarity with these brands means accurate assessments, not guesswork.
We keep our schedule flexible for Rancho Park homeowners dealing with collapsed ductwork, major air loss, or systems that have stopped conditioning part of the home. While we don’t operate as an emergency-only service, we can usually get to local jobs within a day or two. Call (855) 974-1911 and describe what’s happening; we’ll let you know our soonest available slot.
We stand behind our repair work with a workmanship warranty on every job we complete. Materials are covered by their manufacturer warranties, and we’ll walk you through what that means for your specific repair before we start. If something we fixed fails within the warranty period, we come back and make it right. The specifics depend on the scope of work, so ask during your inspection and we’ll give you the exact terms in writing.
Clear a path to the furnace or air handler and to any accessible attic or crawlspace entrances. Move furniture and valuables away from floor registers, and park cars out of the driveway if that’s where equipment will come in. We bring Guardsman-level surface protection and containment equipment so most of the prep is handled on our end. After that, just be available to walk through the findings with Frank before work starts.
Schedule Your Air Duct Repair Service in Rancho Park Today
If your ducts are leaking air, collapsed, or simply not performing the way they should, call (855) 974-1911 today. We’ll schedule an inspection at a time that works for you, diagnose the specific problem, and give you a flat price before any repair begins. Your estimate is free, and it comes with real airflow data, not a sales pitch. Air Duct Cleaning Rancho Park is ready to get your system moving air properly again.
Written by Frank Prentiss, Owner at Air Duct Cleaning Rancho Park, serving Rancho Park since 2014.