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 Westminster Homeowners
When a duct system leaks, disconnects, or collapses, your HVAC equipment works harder to push conditioned air into rooms that never quite reach the right temperature. In Westminster’s warm, dry climate, that means higher energy bills in summer and dust that settles back onto furniture within days of cleaning. Air duct repair addresses the structural problems inside your ductwork, not just the surface dust, and it matters because a 20% leak in your supply ducts can translate to a 20% increase in cooling costs. Benny Wagner and the Duct Cleaning Westminster team handle Air Duct Repair in Westminster, from disconnected boots under mobile homes to crushed returns in 1970s tract housing. We carry Rotobrush and Nikro equipment on every job, which means we can clean, inspect, and repair duct systems without scheduling a second contractor. Call (877) 752-8412 for an assessment.
HVAC Duct Installation
HVAC Duct Installation is the process of designing and installing a complete duct system for a new HVAC unit, an addition, or a home that never had proper distribution in the first place. In Westminster, we see this most often in two situations: a homeowner replacing a 30-year-old furnace and air conditioner who discovers the existing ducts were undersized from day one, or a garage conversion or room addition that needs conditioned air delivered properly. Duct Cleaning Westminster also offers Air Duct Repair in Stanton and installs supply and return plenums, flex duct runs, rigid trunk lines, and registers sized to the actual CFM requirements of your equipment, not a guess. Whole-system installation in Westminster typically runs $3,500 to $9,000 depending on home size, number of runs, and accessibility. A poorly installed duct system costs more over its life than a correctly sized one. We use the same Nikro HEPA-filtration equipment during installation to keep construction dust from contaminating your living space.
New Construction and Additions
A room addition changes the load calculation for your entire HVAC system. We calculate the additional CFM required and install duct runs sized to deliver it without starving existing rooms. The result is balanced airflow throughout the home, not a freezing cold addition and a warm master bedroom.
Undersized Existing Systems
Many Westminster homes built before 1990 have ductwork sized for heating only. When central air was added later, the original ducts simply couldn’t move enough air for cooling. We’ll measure static pressure and airflow at each register, then install the larger trunks and additional returns the system actually needs.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Replacement
Air Duct Replacement means removing compromised duct sections or entire runs and installing new material in their place. You need this when ducts are crushed, rusted through, chewed by rodents, or so contaminated with construction debris or mold that cleaning won’t restore them. In Westminster’s older neighborhoods, we regularly find original ductwork from the 1960s and 70s that has separated at the seams and is pulling attic insulation directly into the airstream. Duct Cleaning Westminster provides Air Duct Repair – Seal Beach and replaces damaged sections with appropriately sealed, insulated ducting and reconnects everything to the plenum and registers. Partial replacement of a few damaged runs in Westminster usually costs $400 to $1,800. Full-home replacement with all new supply and return runs runs $4,000 to $9,500. Every replacement includes a leak test before we call the job done.
Crushed and Disconnected Runs
Attic storage, pest activity, and original installation shortcuts crush or disconnect flex duct. We’ve pulled apart runs in Westminster attics where the inner liner had completely separated from the outer jacket, so the system was blowing conditioned air into the attic insulation. Replacement is the only fix that restores air delivery.
Contaminated or Deteriorated Material
When duct board or flex duct has been saturated by a roof leak, or when rodents have nested inside, replacement is cheaper and safer than aggressive cleaning. We remove the contaminated material, install new ducting, and use Abatement Technologies containment so the debris never enters your living space.
Ductwork Repair
Ductwork Repair covers the targeted fixes that restore a leaky or damaged system without replacing everything: resealing joints with mastic, reconnecting boots, patching holes, replacing damaged elbows and wyes, and adding support straps where ducting has sagged. Most Westminster homes don’t need full replacement. They need repair work based on what an actual inspection finds. In homes where the previous owner never had the ducts serviced, we commonly find register boots that were never screwed in place, so air leaks into the wall cavity behind the drywall. Duct Cleaning Westminster performs Air Duct Repair in La Palma and ductwork repair as a standalone service or as part of a full cleaning appointment. Typical repairs in Westminster run $250 to $1,500 depending on the number of leaks and accessibility of the attic or crawlspace. The work is done with the same standards a restoration contractor would use.
Sealing Leaky Joints and Seams
Duct tape is not a duct sealant. It dries out and falls off within a few years. We use UL-listed aluminum tape and water-based mastic, applied at every joint and seam, the same materials required by California Title 24 energy code. Sealed ducts mean the air you paid to heat or cool reaches the rooms it was meant for.
Reconnecting Disconnected Boots
Floor registers in Westminster homes frequently become disconnected when flooring is replaced or when someone works under the house. When a boot separates from the duct run, you’re paying to condition the crawlspace. We reattach boots, secure them with screws, seal the connection, and verify airflow at the register before finishing.
Duct Replacement
Duct Replacement, as distinct from Air Duct Replacement, refers to swapping out sections of metal trunk line or rigid duct that have failed structurally. This is the heavy repair: rusted-through galvanized steel, collapsed rectangular trunks in a tight attic, or return air plenums that were installed with the wrong dimensions. In Westminster homes near the coast, salt air accelerates rust on metal ducting, and we regularly find returns that are simply a cavity between wall studs rather than actual sealed ductwork. Duct Cleaning Westminster replaces failed sections with properly sized sheet metal, and when the existing design can’t support the system’s airflow requirements, we resize and reconfigure rather than patching. Replacing a section of metal trunk line typically runs $600 to $3,000 in Westminster, depending on length, accessibility, and whether the attic requires additional cutting for access. The work is structural, which is why most cleaning-only companies won’t touch it. We do.
Rusted and Collapsed Metal Trunks
Galvanized steel eventually corrodes, especially in coastal air. A rusted trunk line leaks air at every seam and can collapse entirely, blocking airflow to an entire wing of the house. We cut out the failed section, install replacement metal matched to the existing dimensions, and seal all connections.
Improperly Sized Returns
Your return side matters as much as the supply side. If the return is too small, the system can’t pull enough air back to the unit, which shortens blower motor life and makes the whole house feel stuffy. We’ll enlarge or reconfigure return ducting so your HVAC system breathes properly.
Ductwork Installation
Ductwork Installation is the end-to-end installation of a complete distribution system: trunk lines, branch runs, plenums, boots, registers, and all the sealing and insulation that goes with them. We do this for new HVAC installations in Westminster where the old ducts are beyond repair, for homes that have never had central air, and for additions that require their own properly designed distribution. The job starts with a load calculation, not a guess about what size ducts the house needs. Duct Cleaning Westminster installed systems sized to your equipment’s actual airflow, and we verify the result with static pressure readings. Complete ductwork installation in Westminster typically runs $5,000 to $12,000 depending on home square footage, the number of supply runs, attic or crawlspace access, and whether we’re working around existing framing. The final product is sealed, insulated, and tested.
Manual J Load Calculations
Every duct system we install starts with a Manual J load calculation based on your home’s insulation, window area, orientation, and local climate data. That determines how many CFM each room needs. Then we size the ducts to deliver it. Ducts sized by rule of thumb are the reason so many Westminster homes have hot and cold rooms.
Sealed and Insulated to Code
California Title 24 requires specific R-value insulation on ductwork in unconditioned spaces, and we install to that standard. Attic ducts in Westminster face summer temperatures that exceed 140 degrees. Uninsulated ductwork loses a significant portion of its cooling energy to the attic before the air ever reaches a register.
Brands We Service
We work with and around leading indoor air quality equipment, which means your duct repair won’t interfere with the systems you already have. Aprilaire whole-home air cleaners and humidifiers depend on proper airflow to do their job. When your ductwork leaks, the air bypasses the filtration media entirely, and the Aprilaire unit can’t clean air that never reaches it. We repair and seal ducts with attention to how the repair affects downstream IAQ equipment.
Honeywell thermostats, zoning systems, and media air cleaners are common in Westminster homes, and we service duct systems connected to all of them. Guardsman air purifiers require a certain static pressure to operate efficiently, and leaks in the supply or return side throw that pressure off. Our repairs restore the balanced airflow these systems were designed for. Whether you have Aprilaire, Honeywell, Guardsman, or any other make, we can help.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Rooms that never reach the thermostat setting. If one bedroom is always ten degrees warmer than the rest of the house, the problem is usually airflow, not the HVAC unit. Disconnected or crushed ducts starve those rooms of conditioned air, and no amount of thermostat adjustment will fix it.
- Dust accumulating within days of cleaning. Leaks in the return side of your ductwork pull attic insulation, crawlspace dust, and other particulates into the air you breathe. You’re literally vacuuming your attic through your registers. The fix is sealing the return, not more frequent dusting.
- Whistling or hissing sounds from vents. Air escaping through holes and gaps makes noise. A properly sealed duct system is quiet. If you hear air moving inside walls or above the ceiling, that air isn’t reaching the rooms you’re paying to condition.
- Pest activity in the attic or crawlspace. Rodents chew through flex duct. They nest in insulation around ductwork. If you’ve had rats or mice, there’s a strong chance your ducts are damaged, and that damage is now part of your indoor air quality problem.
- Higher energy bills without a hotter summer. Westminster cooling costs climb when ducts leak. A system leaking 20% of its air is working 20% harder to hit the same temperature. If your July bill jumped while your usage patterns stayed the same, the ductwork deserves a look.
Our Process, Step by Step
- 1
Inspection and airflow measurement. We start by examining the accessible ductwork, taking static pressure readings at the plenum, and measuring airflow at each register. This identifies which runs are underperforming and gives us a baseline to compare against after repairs are complete.
- 2
Diagnostic findings and flat-price quote. Benny Wagner explains what we found, what the repair involves, and what it costs. You get one flat price per system before any work starts. No per-vent pricing, no bait-and-switch. If the system doesn’t need repair, we’ll tell you that too.
- 3
Containment and protection. Before we open any ductwork, we set up Abatement Technologies containment to prevent dust, debris, and insulation from entering your living space during the repair. The goal is to leave your home cleaner than we found it.
- 4
Repair and sealing. We perform the repairs using mastic, aluminum tape, new duct sections, and proper mechanical fasteners. Every joint is sealed, every connection is secured, and every run is checked for proper support.
- 5
Post-repair verification. We re-measure airflow at the affected registers and compare against our initial readings. You’ll see the improvement in numbers, not just promises. If we cleaned as part of the service, you’ll also get before-and-after photos of the duct interior.
How Much Does Air Duct Repair Cost in Westminster?
A typical air duct repair in Westminster runs $250 to $1,500, with most jobs landing in the $400 to $800 range. The cost depends on what’s actually wrong: resealing a few disconnected boots costs less than replacing a crushed 20-foot flex run, and work in a tight crawlspace takes longer than work in an open attic. We charge one flat price per system, agreed before work starts, so you know the total no matter how long the job takes.
What affects the price: accessibility of the ductwork, the number of damaged sections, whether we need to remove and reinstall insulation, and whether the repair requires metal trunk line or flex duct. Equipment matters too. We use Rotobrush and Nikro systems on every job, and those tools let us work more efficiently than a technician with a shop vac and a roll of tape.
To avoid overpaying, get an inspection that measures airflow before and after. A company that quotes a repair without looking at the ducts is guessing. Ask whether the quote includes sealing every joint, not just the obvious break. Ask whether you’ll get photos of the completed work. Our estimates are free, include a written scope of work, and never involve a surprise second invoice. Call (877) 752-8412 for an exact quote on your Westminster home.
Our Service Area Near Westminster
Duct Cleaning Westminster serves Westminster and the surrounding communities, including Air Duct Repair in Westminster, North Tustin, and Bellflower. We also work in Signal Hill, Stanton, Villa Park, La Habra Heights, Placentia, South Whittier, Paramount, La Mirada, and Seal Beach. Scheduling typically happens within a few days, and the team at our home office coordinates all appointments directly.
Serving Westminster, CA – Our Local Coverage Area
We’re based in the Westminster 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 Westminster
Air duct repair is the process of fixing structural problems in your ductwork: resealing leaking joints, reconnecting separated sections, patching holes, replacing crushed or rusted runs, and correcting improper support. It’s different from duct cleaning, which removes accumulated dust and debris. We do both, and the repair work is what separates us from cleaning-only companies in Westminster.
Most repair jobs in Westminster take 2 to 5 hours on site. Simple boot reconnections and joint sealing can be done in an afternoon, while replacing multiple runs or resizing a trunk line may take a full day. We’ll give you a time estimate with your flat-price quote so you can plan around the work.
Most repairs in Westminster run $250 to $1,500, with typical jobs falling between $400 and $800. The variables are accessibility, the number of damaged sections, and materials required. Call (877) 752-8412 for a free estimate with a written scope of work.
Yes. We work with and around Honeywell zoning systems, media cabinets, and thermostats, as well as Aprilaire air cleaners and humidifiers. Proper duct repair actually helps these systems perform better, because balanced airflow lets their filtration media do the job it was designed for.
We prioritize scheduling for urgent problems like a collapsed trunk line or a system that can’t deliver heat in winter or cooling during a Westminster heat wave. Call (877) 752-8412 and describe what’s happening. We’ll get you on the schedule as quickly as possible and give you an honest assessment of how urgent the repair actually is.
Our repair work is done to code with proper materials, and we stand behind the workmanship. Specific warranty terms depend on the scope of the repair and will be stated in writing on your estimate. Ask Benny for details when you call.
Clear access to the attic hatch or crawlspace entrance, and move anything valuable away from the registers we’ll be working near. We handle floor protection and containment. If you have pets, keep them in a separate room while we’re working. There’s nothing else you need to do.
Schedule Your Air Duct Repair Service in Westminster Today
If your Westminster home has rooms that won’t heat or cool, dust that won’t stop, or energy bills that climb every summer, the ductwork is the first place to look. Call Duct Cleaning Westminster at (877) 752-8412 for a free, no-obligation estimate. We’ll inspect the system, show you what’s wrong, and quote one flat price before any work begins.
Written by Benny Wagner, Owner at Duct Cleaning Westminster, serving Westminster since the company’s founding.