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.
Before
After
Before
After
Before
AfterFast, Reliable Duct Sealing Across Emeryville
Duct sealing in Emeryville typically runs $450 – $1,200 for a residential system, with most jobs completed in a single visit after a written estimate. If you’re noticing uneven temperatures, musty air from your registers, or the smell of your building’s ground-floor restaurant drifting into your unit, the problem is often leaky ductwork pulling air from places it shouldn’t.
We’ve worked in Emeryville’s mixed-use buildings from Bay Street to the Emeryville Crescent, and we know the local housing stock: mid-rise condos built during the redevelopment boom, rooftop packaged units pulling salt air off the bay, and shared duct chases that connect commercial kitchens to residential floors. We also offer Emeryville Dryer Vent Cleaning for residents in these same buildings. Our crews dispatch from the San Francisco Bay Area office and carry the tools to handle both the corrosion and the contamination that come with this specific coastline. Call us at (361) 326-5060 for a free estimate.
Why Hollis Air Duct Cleaning Is Emeryville’s Preferred Duct Sealing Company
We’ve been part of the Garrison Partners family since 2004, and our Duct Sealing in Emeryville crews operate under The Garrison Standard: written price before any work starts, arrival inside the quoted window, and the site left clean. That standard matters more in Emeryville than in most Bay Area cities because of the coordination required with mixed-use buildings. You’re not just letting us into your home; you’re trusting us to work around commercial tenants, property managers, and shared systems.
Our technicians are background-checked and uniformed, and we use professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies. Every duct sealing job in Emeryville carries our 365-Day Done Right Promise in writing. If the seal fails or the odor migration returns within a year, we come back at no charge. No negotiation, no runaround.
Phones are answered by a live person 24 hours a day, 7 days a week. You’ll talk to a human who can schedule your estimate, explain what we’ll need access to in your building, and coordinate with your property manager if necessary.
Duct Sealing Services in Emeryville
Duct Sealing Services in Emeryville address the specific failure modes of coastal mixed-use construction: salt-corroded joints on rooftop units, grease-contaminated shared chases, and flex-duct collars that separate under thermal cycling. We don’t seal over problems. We clean, dry, and then seal, so the fix lasts.
A typical residential duct sealing in Emeryville runs $450 – $850 for a standard condo or apartment system. Larger units in buildings with extensive shared ductwork, or jobs requiring coordination with commercial tenants, can reach $1,000 – $1,200. We write the price down before we touch anything.
Source Removal Before Sealing
We run rotary brush and negative-air source removal through the duct chase before any mastic or tape goes on. Sealing a duct that still holds grease-laden particulate or salt corrosion traps the contamination inside. That’s not a fix; it’s a cover-up that fails in weeks.
Negative-Air Drying Protocol
After cleaning, we pull HEPA-filtered negative air through the system until moisture readings drop below the threshold for microbial growth. Emeryville’s marine layer humidity means wet ducts sealed shut become a problem, not a solution. Drying takes time. We take it.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Duct Insulation in Emeryville
Duct Insulation in Emeryville protects against the temperature loss and condensation that come with cool, damp bay air moving through unconditioned spaces. In buildings with rooftop packaged units, supply ducts often run through attics or chase walls that stay cooler than the conditioned interior. When warm, humid interior air hits cool duct surfaces, condensation forms. That moisture feeds microbial growth and degrades the duct seal from the inside.
Duct insulation in Emeryville typically costs $3 – $6 per linear foot for standard fiberglass wrap, or $6 – $10 per linear foot for closed-cell foam in high-moisture applications. A typical Emeryville condo with 40 – 60 linear feet of exposed ductwork runs $200 – $600 for insulation, often done in combination with sealing for a flat system price.
Condensation Control in Coastal Climate
We specify insulation R-value based on the duct location and the building’s exposure to bay breezes. Ducts in exterior walls or unconditioned attics in Emeryville need higher R-values than identical systems inland. The marine layer doesn’t quit, and neither should the insulation.
Insulation Integrity After Sealing
When we seal and insulate together, we sequence the work: seal first, verify with a duct blaster or smoke test, then insulate over the sealed joints. Reversing that order means cutting insulation to access leaks later, which wastes material and labor. We price it as one system, not two add-ons.
Trusted Brands We Service in Emeryville
Our Duct Sealing crews carry equipment from Rotobrush, Nikro, and Abatement Technologies, and we stock filtration and sealing products from Honeywell, Aprilaire, and Guardsman. For Emeryville’s salt-air environment, we keep specialized cleaning solutions and corrosion-resistant mastic on the van. That means no waiting for parts when we’re on your rooftop or in your chase. Most jobs are completed same-visit once the estimate is approved.
Common Duct Sealing Problems We See in Emeryville Homes
- Salt-corroded joints on Bay Street rooftop units. The bay air drawn through packaged units on Emeryville Crescent and Bay Street buildings leaves salt deposits on coils and duct connections. Sealing over that corrosion without cleaning and treating the metal first guarantees the seal fails within months.
- Grease migration through shared chases in mixed-use buildings. Ground-floor restaurant exhaust and residential supply runs share chase walls in newer Emeryville construction. A failed flex-duct collar lets cooking odors and particulate migrate upward even when the residential unit is off.
- Moisture trapped in sealed flex-duct systems. Emeryville’s cool, humid marine layer means ducts that are sealed while still damp create closed environments where microbial growth accelerates. We see this most in buildings with poor ventilation during the rainy season from November through April.
- Failed seals on redevelopment-boom flexible ductwork. The flexible duct installed in Emeryville’s 1990s – 2010s construction uses collars and clamps that loosen under thermal cycling. The fix isn’t more tape; it’s proper mechanical fastening with mastic, then verification.
Pricing for Duct Sealing in Emeryville, CA
Honest pricing for duct sealing in Emeryville starts with understanding that this market isn’t like inland Bay Area cities. The salt air, shared commercial-residential systems, and coordination with property managers add complexity that a flat-rate coupon can’t account for.
| Service | Typical Range in Emeryville |
|---|---|
| Standard residential duct sealing (condo/apartment) | $450 – $850 |
| Large system or shared commercial-residential chase | $1,000 – $1,200 |
| Duct insulation (per linear foot) | $3 – $10 |
| Combined sealing + insulation (flat system price) | $650 – $1,400 |
What moves the price: accessibility of the ductwork, extent of corrosion or contamination requiring pre-cleaning, need for coordination with commercial tenants or property management, and whether insulation is included. We inspect, we write the price down, and that number doesn’t move at the door. Call (361) 326-5060 for a free estimate.
We Also Serve Cities Near Emeryville
Our crews work throughout the East Bay, including Emeryville, Berkeley, Piedmont, Albany, and Alameda. Each building stock has its own characteristics: Berkeley’s older Craftsman duct retrofits, Alameda’s Victorian-to-modern conversions, Piedmont’s larger single-family systems. We adjust our approach to the house, not force a template.
Serving Emeryville, CA - Our Local Coverage Area
We’re based in the Emeryville 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 Emeryville
Yes, if the leak path is sealed after the shared chase is properly cleaned. We were called to a Bay Street mixed-use building where a third-floor resident kept smelling the ground-floor kitchen through the registers even with the unit’s system off at the air handler. Camera inspection of the shared duct chase showed grease-laden particulate and salt corrosion on the rooftop packaged unit’s coil, plus a failed seal at a flex-duct collar that was short-cycling bay air into the residential run. We ran source removal under negative pressure with HEPA filtration, fogged nothing, dried the chase, then sealed the collar and the trim runs – the odor migration stopped and the unit stopped running constantly. Call (361) 326-5060 if you’re experiencing similar odor migration.
Emeryville sits on the eastern shore of San Francisco Bay, with mild, damp winters and cool summers moderated by bay breezes. This marine layer humidity can promote mold growth inside ductwork, especially in buildings with poor ventilation or during the rainy season, making duct cleaning and moisture control a year-round concern. Inland cities see hotter, drier summers that naturally suppress microbial growth. Emeryville doesn’t get that break. Call (361) 326-5060 for an inspection if you smell mustiness from your registers.
It accelerates corrosion on metal ducts, coils, and fasteners, and leaves salt deposits that standard cleaning won’t remove. In the Bay Street and Emeryville Crescent areas, many mixed-use buildings have rooftop HVAC units that draw in salt-laden air from the bay, accelerating corrosion and buildup on coils and ducts; technicians often find salt deposits that require specialized cleaning solutions. Sealing over corroded metal is temporary at best. We clean and treat the surface first, then seal. Call (361) 326-5060 for an assessment of your rooftop unit’s condition.
Sometimes, if the shared chase or rooftop unit serves both commercial and residential zones. We work with property managers to schedule access and, when necessary, coordinate with ground-floor tenants to minimize disruption. Our written estimate includes any coordination time required, so you’re not surprised by additional charges. Call (361) 326-5060 and we’ll explain what your specific building will need.
Yes, if the flex-duct is structurally sound. The flexible ductwork common in Emeryville’s redevelopment-boom buildings fails at collars and connections, not in the flex material itself. We replace damaged flex sections, secure collars with mechanical fasteners and mastic, then verify with smoke or pressure testing. If the flex is kinked, crushed, or deteriorated, we’ll tell you and price replacement separately. Call (361) 326-5060 for an honest evaluation.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Emeryville and the Bay Area since 2004.