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 Koreatown Homeowners
Air duct repair in Koreatown is about fixing the hidden gaps, tears, and disconnected sections that quietly waste conditioned air and pull in attic dust. Most homes we inspect in the neighborhood, especially in older apartment buildings and mid-century houses near Wilshire and Olympic, have at least one section of ductwork that is not performing. When a duct system is compromised, your HVAC unit runs longer to hit the same temperature, and the air you breathe passes through wall cavities and insulation before reaching your vents. We clean ductwork, and when it is broken, we fix it. Call (855) 382-4682 to schedule an inspection in Koreatown.
Key takeaways:
- We repair ductwork – not just clean it – because cleaning cannot fix a gap or a disconnected run.
- Professional-grade equipment only – Rotobrush and Nikro systems, the same tools used by HVAC contractors.
- Transparent pricing – one flat price per job, agreed before any work starts.
- Local Koreatown service – we know the building stock, from 1920s courtyard apartments to newer condo towers.
HVAC Duct Installation
HVAC Duct Installation means building and fitting a new duct system, or adding new branch runs, for a heating and cooling setup in your home or property. You need this when ducts are too far gone to repair, when a renovation adds new rooms, or when the existing layout was poorly designed from the start. Our team at Eastgate Air Duct Cleaning installs duct sections using the same methods we use for repair – sealed connections, proper support, and no shortcuts. Typical installation work on a single branch run in Koreatown runs $350 to $900 depending on length, diameter, and access. A full system installation is quoted on a project basis after we see the space.
New-Build and Renovation Work
When a Koreatown homeowner opens up a wall or adds a bedroom, the duct plan has to change with it. We run new branch lines from the main trunk to the new space, sizing the duct to match the airflow the room needs. We install with mastic-sealed joints and proper hangers, so the new run does not sag or leak in two years.
Replacing Undersized or Poorly Laid Ducts
We regularly find homes where a previous installer ran a six-inch duct to a room that needs eight inches of airflow. The result is a room that never gets comfortable. We remove the undersized section, install the correct diameter, and rebalance airflow so the system works as designed.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Replacement
Air Duct Replacement is the removal of old, damaged, or contaminated duct sections and the installation of new material in the same run. You need it when ducts are crushed, rusted, or so thick with embedded debris that cleaning cannot restore safe airflow. Eastgate Air Duct Cleaning handles replacement runs in Koreatown as a standalone service, which is exactly what differentiates us from a cleaning-only crew. Replacing a typical 10 to 15 foot section of flex duct in a Koreatown attic costs $400 to $950. Hard pipe replacement runs higher, from $600 to $1,400, because of the extra cutting and fitting required.
Crushed or Collapsed Runs
Attics in Koreatown are tight, and it is common to find a duct run that has been stepped on or crushed by stored boxes. Once the inner liner collapses, airflow drops and the HVAC system works harder for less result. We cut out the crushed section and replace it with a properly supported run that restores full airflow to that room.
Rodent or Pest Damage
Older buildings near Vermont and Western see their share of attic pests. Rats and squirrels chew through flex duct, leaving gaping holes that pull in insulation and droppings. We remove the contaminated section, replace it with new duct, and seal the connection points so the system is tight again.
Ductwork Repair
Ductwork Repair is the process of finding and fixing specific failure points in your existing duct system – gaps, loose connections, small tears, and separated joints. It is the most common service we perform in Koreatown because most duct systems do not need full replacement, just targeted work at the points of failure, though we also offer our Air Duct Repair in Boyle Heights for nearby homeowners. Eastgate Air Duct Cleaning approaches repair the way a diagnostician works: find the leak, seal it correctly, confirm the airflow is restored. Most Koreatown repair jobs run $180 to $425 for a single failure point, with additional points priced per location after the initial inspection.
Sealing Gap Loss
A duct joint that has pulled apart even half an inch will lose a meaningful amount of conditioned air. In a Koreatown attic that hits 130 degrees in August, that loss means your AC is running to cool the attic. We seal the separation using mastic and mechanical fasteners, not tape, so the joint stays sealed.
Reconnecting Disconnected Sections
We frequently find entire duct runs that have fallen away from the supply plenum or a register boot. The air is going nowhere. We reattach the run, seal the connection, and verify airflow at the register before we pack up.
Duct Replacement
Duct Replacement is the complete swap of a duct run or system when the existing ductwork is beyond repair. You choose this when the duct material itself is failing – rotted fiberboard, rusted sheet metal, or flex duct that has degraded from heat and age. Eastgate Air Duct Cleaning does full-run replacement in Koreatown, and we do it as a repair service, not an upsell. The cost to replace an entire branch run in a Koreatown home typically runs $500 to $1,200 per run. Whole-home replacement is quoted after an on-site assessment of the duct layout and access points.
Fiberboard and Duct Board Decay
Older Koreatown homes built in the 1960s and 1970s often have fiberboard ducts that have absorbed moisture over the decades. The material sags, delaminates, and eventually falls apart. We remove the failing sections and replace them with modern, code-compliant duct material that will not degrade the same way.
Rusted or Corroded Metal Duct
Coastal-influenced air and years of condensation cycles can rust out metal ducts in crawlspaces and basements. A rusted duct leaks constantly and sheds particulate into the airstream. We replace the corroded run and inspect the surrounding sections for early signs of the same failure.
Ductwork Installation
Ductwork Installation is the design and construction of a complete duct system for a space that never had one, or a full re-duct of a home where the existing system is too far gone to salvage. Koreatown’s older housing stock means we see both scenarios with some regularity. Eastgate Air Duct Cleaning manages installation projects from the first measurement to the final airflow verification. A full ductwork installation in a Koreatown home is a project-level quote, typically starting around $2,500 for a smaller home and scaling up based on square footage, number of runs, and attic accessibility.
Designing for the Space
We measure each room, calculate the necessary CFM for proper comfort, and lay out a duct plan that delivers consistent airflow. In Koreatown’s vertically-built homes, that means accounting for long vertical runs and tight wall cavities. The layout is drafted before we cut any material.
Complete System Replacement
When an old system has failed everywhere at once – rusted trunk lines, torn flex runs, and collapsed duct board – the honest answer is a full re-duct. We remove the old material, install the new system section by section, and finish with a total airflow balance check at every register.
Brands We Service
We service Honeywell air quality systems, including the whole-home electronic air cleaners and media filter cabinets that many Koreatown homeowners have paired with their HVAC units. Our team is familiar with Honeywell’s filter housings, bypass configurations, and the wiring behind their control boards, which means we can integrate duct repair work without disrupting the air quality system downstream.
We also work regularly with Aprilaire humidifiers and dehumidifiers, which are common in Koreatown homes that deal with dry winter air or summer humidity spikes. When we repair ductwork, we account for Aprilaire units installed on the supply or return side, and we make sure the connections around those units are as tight as the rest of the system. Whether you have Honeywell, Aprilaire, or any other make, we can help. We also use Guardsman protective treatments on duct interiors after repair work, which helps the new sections resist future buildup.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Rooms that never reach temperature. If one bedroom in your Koreatown home is always 8 degrees off from the rest of the house, and you have checked the register is open, the duct feeding that room is likely damaged or disconnected. An HVAC system can only deliver what the ducts will carry.
- Visible dust blowing from vents. When you see dust actively blowing out of a register, the air is picking up debris from inside the duct or from a gap in the run. That dust has made its way through wall cavities and insulation before it reaches you. A sealed duct system should deliver only clean air.
- Higher energy bills without a hotter summer. Koreatown summers are warm, but a bill that jumped noticeably without a corresponding heat wave usually means conditioned air is escaping into the attic or wall space. The HVAC unit is working, it is just working for the wrong space.
- You hear hissing or rattling from the vents. A hissing sound at a register often means air is escaping at a joint or seam in the duct run. Rattling metal in the wall or ceiling indicates a loose connection or a failing hanger. Both are mechanical failures, not normal system noise.
- You found pest droppings in the attic. If you have had rodents in the attic, you almost certainly have duct damage. Rodents chew through flex duct. Even if the damage is not visible in the room, the duct run should be inspected and tested for leaks.
Our Process, Step by Step
- 1
Inspection. We walk the entire accessible duct system in your Koreatown home, from the plenum at the HVAC unit to every register in every room. We look for visual signs of failure and we use airflow testing to find leaks that are not visible. Most repairs have a single root cause, and we find it before we recommend anything.
- 2
Findings and flat-price quote. We show you the failed sections, explain what is happening, and give you one flat price for the full repair before any work starts. No per-vent pricing, no bait-and-switch. The quote reflects the actual work your system needs.
- 3
Repair or replacement. We cut out damaged sections, seal gaps, reconnect separated runs, or replace what cannot be saved. All joints are sealed with mastic, not tape, so the repair holds up to Koreatown’s attic heat cycles. We use professional-grade materials from our Rotobrush and Nikro supply stock.
- 4
Airflow verification. After the repair, we test airflow at the affected registers to confirm the system is delivering what it should. If the repair was on the supply side, we check the return side too, because an HVAC system only works as well as its weakest connection.
- 5
Post-repair treatment. On most jobs, we finish with a Guardsman protective treatment on the interior surfaces of the repaired sections. This helps prevent new dust buildup and keeps the repaired areas clean for the long term.
How Much Does Air Duct Repair Cost in Koreatown?
A typical air duct repair in Koreatown runs $180 to $425 for a single failure point, which covers most gaps, tears, and disconnected sections, with similar rates for Air Duct Repair – Little Tokyo. If the damaged section needs full replacement, expect $400 to $950 for a standard flex duct run, and $600 to $1,400 for hard pipe. Whole-system installation projects start around $2,500 and are quoted on site. The honest answer is that the price depends on what we find when we inspect the system.
What affects the price: access difficulty, which in Koreatown often means a tight attic or a crawlspace with minimal clearance. Older buildings with lathe-and-plaster walls complicate register access. The length and diameter of the affected run matters too, as does the material – flex duct costs less to replace than rigid metal. The factors are never mysterious, and we walk through each one when we quote.
How to avoid overpaying: get a flat-price quote for the specific work, not an hourly estimate that can drift. Ask whether the company seals with mastic or tape – mastic is the professional standard. And make sure the company tests airflow after the repair, not just before. A repair is not done until the air is actually moving correctly. Every Eastgate Air Duct Cleaning estimate in Koreatown is free, and it includes the inspection and airflow readouts, not just a paper number.
Our Service Area Near Koreatown
Eastgate Air Duct Cleaning serves Koreatown and the surrounding neighborhoods, including Arcadia, Universal City, Valley Village, Culver City, Hollywood Hills, Florence-Graham, Huntington Park, Montebello, Lynwood, Venice, and Monrovia. Most Koreatown appointments are scheduled within a few business days of your call, and we batch our routes so we can serve the broader area efficiently without sacrificing inspection thoroughness. If your home is in the heart of Koreatown proper or a few blocks outside it, we can help.
Serving Koreatown, CA – Our Local Coverage Area
We’re based in the Koreatown area and know this community well, and we also provide Air Duct Repair – Huntington Park. 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 Koreatown
Air duct repair is the process of finding and fixing specific failures in your home’s duct system, including gaps, loose joints, tears, crushed sections, and disconnected runs. The goal is to restore proper airflow and eliminate the loss of conditioned air into attics and walls. Repair is different from cleaning because cleaning only removes surface debris; repair fixes the structural problems that cleaning cannot address.
Most single-point repairs take between two and four hours from arrival to final airflow verification. The work itself is often done in under an hour, but the inspection, setup, repair, testing, and cleanup add to the total time. A larger replacement job can take a full day or more depending on the number of runs and access conditions.
A typical single-point repair runs $180 to $425, while a full duct run replacement ranges from $400 to $1,400 depending on length and material. The cost depends on what we find during the inspection, and we give you a flat price before any work begins. Call (855) 382-4682 for an exact quote – estimates are free.
Yes, we service both Honeywell air cleaners and Aprilaire humidifier and dehumidifier systems, and we account for these units when doing duct repair work. These brands are common in Koreatown homes, and we are familiar with their installation configurations and how they connect to duct runs. The repair work we do is compatible with these systems and we verify they are working correctly after the repair.
Air duct repair is rarely a life-safety emergency, but a fully disconnected duct run in a Koreatown summer means your AC is working against the attic. We prioritize scheduling for Koreatown homeowners based on the severity of the failure, and most calls are scheduled within a few business days, including requests for Air Duct Repair – Chinatown. If you are unsure how serious the problem is, call us and we will help you assess it over the phone.
We stand behind our repair workmanship and will return to correct any issue with the repair itself. The specific terms are discussed when we quote the job, and they are based on the work being performed and the condition of the surrounding duct material. Ask us about warranty coverage when you call for an estimate.
Clear a path to your HVAC unit and, if possible, to the attic access point, so our team can get to the system quickly. There is no need to remove furniture or move out of the home; we work in the attic, crawlspace, and at the registers only. We will walk you through the findings before any work begins so you understand exactly what is happening in your home’s duct system.
Schedule Your Air Duct Repair Service in Koreatown Today
If you suspect your Koreatown duct system is leaking, disconnected, or damaged, call Eastgate Air Duct Cleaning at (855) 382-4682. We will inspect the system, show you exactly what is wrong, and give you one flat price for the repair. The estimate is free, the assessment is thorough, and the work is backed by a real repair team – not a cleaning crew doing patchwork.
Written by Barry Rangel, Owner at Eastgate Air Duct Cleaning, serving Koreatown and the surrounding Los Angeles area.