Whole-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.
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AfterFast, Reliable Duct Sealing Across Newport Beach
Duct sealing in Newport Beach typically costs $800 – $2,400 for a whole-home system, depending on accessibility and the extent of leakage found during testing. Most jobs take a full day and include pre-seal airflow measurement so you know exactly what changed. Call (361) 326-5060 for a free written estimate.
We’re the Duct Sealing crew that serves Newport Beach from our Los Angeles office, with technicians who know the difference between a standard inland job and what coastal ductwork actually needs. We’ve sealed ducts in Corona del Mar estates, Balboa Peninsula cottages, and Lido Isle remodels. Each neighborhood has its own duct configuration, its own access challenges, and its own salt-air damage pattern. That local familiarity matters because duct sealing done wrong in Newport Beach fails faster than almost anywhere else in Orange County.
Why Hollis Air Duct Cleaning Is Newport Beach’s Preferred Duct Sealing Company
We’ve been part of the Garrison Partners family since 2004, and our Newport Beach customers know what The Garrison Standard means: arrive inside the window, price in writing before touching anything, finish by the book, leave the site clean. Roy Castellanos built this operation on those four rules, and they haven’t changed.
Our technicians are background-checked and uniformed. You get their name before they arrive. The price we write down is the price you pay. No per-vent add-ons, no “discovered problems” once the van is in your driveway. And every duct sealing job carries our 365-Day Done Right Promise: if the seal fails or the airflow doesn’t hold, we come back and make it right at no charge, including a free second visit.
Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues. No waiting until Monday to schedule.
Duct Repair in Newport Beach
Duct Repair in Newport Beach means fixing the physical damage that salt-laden marine air causes to metal ductwork, especially in homes within a mile of the Pacific. We see corroded seams, separated flex duct at plenum connections, and crushed returns in tight Balboa Peninsula crawl spaces. Typical duct repair in Newport Beach runs $400 – $1,200 for localized fixes, or $1,500 – $3,500 if multiple trunk lines need section replacement.
Corroded Seam Rebuilds
Original galvanized duct in 1960s and 1970s Newport Beach homes rusts from the inside out where salt crystals hold moisture against the metal. We cut out the compromised section, fabricate a replacement from proper gauge galvanized or switch to aluminum where corrosion risk is highest, then seal with mastic and mesh, not tape alone.
Flex Duct Replacement
Flex duct deteriorates faster in humid coastal attics. We replace it with insulated flex rated for the temperature swings, or switch to hard duct where space allows, then pressure-test the run to confirm no leaks.
Air Duct Sealing in Newport Beach
Air Duct Sealing in Newport Beach is not the same job it is inland. Here, sealing has to account for salt crystal buildup inside return ducts, marine humidity that re-wets sealed surfaces, and the pressure imbalance that pulls unfiltered outdoor air through every gap. Typical whole-home air duct sealing in Newport Beach runs $800 – $2,400, with larger custom homes in Newport Coast sometimes reaching $3,000 – $4,500.
Source Removal Before Sealing
We don’t seal over salt and microbial film. Our process starts with NADCA-standards source removal using rotary brush agitation and HEPA filtration under negative air pressure from Nikro equipment. The duct has to be clean and dry before mastic goes on, or the seal fails within a season.
Pressure Testing and Rebalance
After sealing, we measure static pressure and airflow at each register. Many Newport Beach homes have supply and return imbalances that pull humid coastal air through leaks we haven’t found yet. Rebalancing the system prevents that short-cycling and protects the seal long-term.
Trusted Brands We Service in Newport Beach
We stock parts and sealing materials from Abatement Technologies, Guardsman, and Aprilaire for Newport Beach customers, which means faster turnaround when your system needs specific fittings or filtration upgrades. Our equipment roster includes Rotobrush rotary brush systems for thorough pre-seal cleaning, Nikro negative-air machines for containment during the job, and Guardsman and Aprilaire filtration products to protect the sealed system after we’re done. We don’t show up with hardware-store tape and a prayer. The tools matter because your ducts are only as good as the preparation and materials that go into them.
Common Duct Sealing Problems We See in Newport Beach Homes
- Fogging “sanitiser” without salt removal. Some outfits blow a scented mist into ducts and call it clean. The odor masks for a few days. The salt crystals stay, corrosion continues, and you’re back to musty air by next month. Real duct sealing in Newport Beach requires physical removal first.
- Foil tape on salt-exposed seams. Standard foil tape adhesive degrades in marine air within one season. We see it lifting and peeling in Corona del Mar and Lido Isle homes where less experienced crews worked. Mastic and mesh, properly applied to clean metal, holds.
- Sealing only supply ducts. Return-side leaks near the coast pull humid, salt-laden outdoor air straight into the air handler. That re-wets the coil cabinet and blower compartment, feeding microbial growth the supply-side seal never touched.
- Ignoring original 1960s ductwork condition. Balboa Peninsula and early Corona del Mar homes often have galvanized duct that’s too far gone to seal. Patching corroded metal is a waste; section replacement is the honest call, and we make it upfront.
Pricing for Duct Sealing in Newport Beach, CA
Whole-home duct sealing in Newport Beach typically runs $800 – $2,400. Smaller condos or single-zone systems on the Balboa Peninsula start around $800 – $1,200. Larger homes in Newport Coast or Corona del Mar with multi-zone HVAC and extensive duct runs range $2,000 – $4,500. What moves the price: accessibility (crawl space vs. full attic), extent of leakage found during pre-test, whether section replacement is needed before sealing, and if rebalancing is required after.
We give one flat price per system, agreed in writing before work starts. No per-vent pricing. No add-ons at the door. You’ll see the number, sign off on it, and that’s what you pay. Estimates are free. Call (361) 326-5060.
We Also Serve Cities Near Newport Beach
Our crews work throughout Orange County, including Duct Sealing in Newport Beach and neighboring Costa Mesa, Fountain Valley, Tustin, and Santa Ana. Each city’s housing stock and climate conditions are different, and we adjust our approach accordingly.
Serving Newport Beach, CA - Our Local Coverage Area
We’re based in the Newport Beach area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Duct Sealing in Newport Beach
Salt-laden marine air within a mile of the Newport Beach coast corrodes standard sealing materials and re-wets duct interiors faster than inland climates allow. We use corrosion-resistant mastic and mesh, start with salt removal, and test seals under local humidity conditions. For homes that also need vent maintenance, see our Dryer Vent Cleaning in Newport Beach. Call (361) 326-5060 for an exact quote on your home.
Yes, when the sealing follows proper source removal of salt crystals and microbial film, and includes return-side leak repair. Sealing supply ducts alone, or fogging without cleaning, usually fails. The musty smell comes from damp, stagnant air in the duct system; sealing the entry points and rebalancing airflow fixes it at the source.
Santa Ana winds introduce dry, dusty air that infiltrates through existing leaks and can mask humidity problems temporarily. We seal year-round, but post-wind-season checks often reveal new leaks or accumulated debris. If your home feels dustier after Santa Ana events, that’s a sign your duct envelope has gaps worth testing.
Sometimes. We inspect the metal condition first. Original galvanized duct with active corrosion through the wall needs section replacement, not sealing. Where the metal is intact but seam-leaking, we clean, seal with mastic and mesh, and pressure-test. We tell you honestly which category your system falls into before quoting.
MERV 11 to 13, with a properly sized filter rack that doesn’t restrict airflow. Higher MERV without adequate return capacity strains the blower and creates negative pressure that pulls unfiltered coastal air through any remaining leaks. We verify filter fit and pressure drop as part of the sealing job. Call (361) 326-5060 to discuss your system’s capacity.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Newport Beach since 2004.