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.
Fast, Reliable Duct Sealing Across Battle Ground
Duct sealing in Battle Ground typically costs $350 – $850 for a whole-home seal depending on system size and accessibility, and most jobs are scheduled within a few business days with a written price locked in before any work starts. If your registers blow dust every time the heat kicks on, or your energy bills keep climbing despite a newer HVAC system, the problem is usually leaking joints in your ductwork, not the unit itself. Call Hollis Air Duct Cleaning at (361) 326-5060 for a free estimate – we’ll inspect the system, show you the leaks on camera, and give you a flat price that won’t change at the door.
We’ve been sending crews to Battle Ground since we opened our Seattle dispatch office, and we know the local housing stock inside out: the older, tighter homes near downtown Battle Ground with rigid metal ducts that have shaken loose over decades, and the wave of new construction spreading north and east along the WA-503 corridor where builder-grade flex duct and unsealed joints are the norm, not the exception. Our technicians arrive uniformed, background-checked, and on time, with the same Rotobrush and Nikro equipment we use on commercial jobs. We price every seal in writing before we touch a tool, and every job carries our 365-Day Done Right Promise – if the seal fails or dust returns, we come back and make it right at no charge.
Why Hollis Air Duct Cleaning Is Battle Ground’s Preferred Duct Sealing Company
Battle Ground homeowners call us because we’ve built a reputation on showing up when we said we would and leaving the price where we left it. We’re part of the Garrison Partners family, independently owned and operated here in the Pacific Northwest, and we’ve been in business since 2004 – long enough to have worked on homes from the original Battle Ground downtown grid to the newest subdivisions off NE 219th Street and NE 72nd Avenue.
Our dispatch team answers the phone live, 24 hours a day, seven days a week. No voicemail loops, no “we’ll call you back Monday.” When you schedule Duct Sealing in Battle Ground, we give you a window and we arrive inside it. That’s The Garrison Standard, and it’s how every Hollis location operates.
Our technicians are background-checked, uniformed, and trained to explain what they find in plain English. We use mastic and mesh tape on flex duct joints, not duct tape that peels in our damp winters. We carry Honeywell and Aprilaire filtration products on the van, so if your system needs an upgrade while we’re sealing, we can handle it in the same visit. And we document everything – before photos, after photos, and a written summary of what was sealed and why.
The 365-Day Done Right Promise covers every seal we make. If a joint opens up, if dust starts blowing again, if you notice a new whistle from the registers, we return and fix it free. That includes a free second visit, not a negotiation. Most competitors in the trade won’t put a year-long guarantee in writing. We do, on every job.
Duct Insulation in Battle Ground
Duct Insulation in Battle Ground addresses a specific problem created by our valley climate: cold, damp winters and warm, dry summers that punish uninsulated or poorly insulated duct runs. When your ducts pass through an unconditioned attic, crawl space, or garage, the temperature difference between the air inside the duct and the air outside forces your HVAC system to work harder, costs you money, and can create condensation that breeds mold. In Battle Ground’s older homes near Main Street and the newer builds alike, we find insulation that has compressed, torn, or been left off entirely at the original installation.
We typically see duct insulation jobs in Battle Ground run $400 – $950 depending on linear footage, accessibility, and whether we’re reinsulating existing wrapped ducts or adding insulation to bare metal runs. Every price is written and agreed before we start.
Condensation Control in Our Damp Winters
Battle Ground sits low enough in the Lewis River valley that winter humidity stays high for weeks at a stretch. When warm supply air hits a cold duct surface in your crawl space, condensation forms. That moisture drips onto insulation, compresses it, and eventually reaches the framing. We use closed-cell insulation wraps and vapor barriers rated for Pacific Northwest moisture loads, sealed at every seam with proper tape, not the cheap stuff that turns to goo after one season.
Energy Loss in Long Flex Runs
Newer Battle Ground subdivisions often have HVAC systems mounted at one end of the house with long flex runs stretching to the far bedrooms. Without insulation, those runs bleed heat in winter and gain it in summer. We measure temperature drop across the system and show you the numbers. Then we insulate the runs that matter most, starting with the longest and least accessible.
HVAC Duct Sealing in Battle Ground
HVAC Duct Sealing in Battle Ground is the core fix for the dust, noise, and efficiency problems that plague homes here – especially the new construction along WA-503 where builder crews often leave joints loose and registers poorly fitted. Sealing means finding every leak in your supply and return ductwork, then closing it with mastic (a thick, permanent sealant) and mesh reinforcement on flex duct, or proper metal-to-metal sealing on older rigid systems. We don’t use duct tape. It fails. Every time.
A typical HVAC duct sealing job in Battle Ground runs $350 – $850 for a whole-home system, with larger homes or complex attic layouts toward the higher end. We price by the system, not by the vent, so you know the total before we start.
Construction Debris in New Subdivisions
We were called to a one-year-old home in the Cedars Village subdivision after the owner noticed drywall dust puffing from the registers every time the heat kicked on. Our tech ran a camera inspection and found the supply and return ducts packed with a fine grey mix of drywall dust and wood shavings left by the builder, so we used negative pressure with agitation tools and HEPA filtration to pull it all out, then sealed the leaking joints on the flex runs with mastic and mesh tape. The owner said the dust cloud was gone and the system finally ran quiet. This is not unusual in Battle Ground. It’s what happens when construction cleanup stops at the visible surfaces.
Seasonal Humidity and Seal Durability
Battle Ground’s humidity swings – wet winters, dry summers – stress duct seals differently than a climate with steady conditions. Mastic stays flexible and holds its bond through expansion and contraction. Duct tape dries, cracks, and peels. We see the failed tape jobs on every third or fourth call. We don’t install them.
Trusted Brands We Service in Battle Ground
Our vans carry professional-grade equipment from Nikro for negative-air containment, Honeywell and Aprilaire filtration products, and Abatement Technologies HEPA systems – the same tools commercial contractors use on hospitals and schools. For Battle Ground homeowners, this means we can source replacement parts and upgraded components without waiting on a warehouse in Portland or Seattle. If your system needs a new filter housing, a media upgrade, or a UV add-on while we’re sealing, we likely have it on the van or can get it within a day. We don’t sell you what you don’t need. We explain what we found, what it costs, and what happens if you wait. Then you decide.
Common Duct Sealing Problems We See in Battle Ground Homes
- Builder-grade flex duct with unsealed connections. In new Battle Ground subdivisions off NE 219th and NE 72nd, we regularly find flex duct clamped to collars but never mastic-sealed. The clamps hold. The air leaks around them. Drywall dust and sawdust escape into your living space for years.
- Humidity-baked construction debris. Battle Ground’s valley humidity makes drywall dust sticky. It adheres to flex duct walls and won’t vacuum out without agitation tools. Standard shop-vac cleaning skips it. Our Nikro rotary brushes and negative-air systems dislodge it.
- Homeowners skipping first-year maintenance. New Battle Ground homeowners assume a new house has clean ducts. It doesn’t. Builders rarely clean ductwork after construction. That first-year cleaning removes debris before it bakes onto the air handler and blower motor.
- Rigid duct separation in pre-1990 homes. Older homes near downtown Battle Ground have metal ductwork that has expanded, contracted, and shaken at joints for decades. Seams open. We seal them with proper methods, not tape.
Pricing for Duct Sealing in Battle Ground, WA
Duct sealing in Battle Ground runs $350 – $850 for most whole-home systems. Smaller homes with accessible crawl spaces or basements fall toward the lower end. Larger homes with long attic runs, multiple HVAC zones, or significant construction-debris removal before sealing land higher. We price by the system, not per vent, so the number on your estimate is the number on your invoice.
What moves the price: accessibility (crawl space vs. full basement), amount of debris removal needed before sealing, number of duct runs, and whether we’re also insulating bare or damaged sections. We inspect with a camera, show you the leaks, and write the price down. No estimates that balloon once we’re inside. If we find something unexpected, we stop and explain before proceeding.
Call (361) 326-5060 for a free estimate. We’ll schedule a time that works, arrive in the window, and give you a flat price you can count on.
We Also Serve Cities Near Battle Ground
Our Duct Sealing crews work throughout Clark County and into Cowlitz County, including Ridgefield, Vancouver, Woodland, and Camas. Scheduling and dispatch are coordinated from our Seattle office, but the technicians who arrive at your door know the local roads, the local builders, and the local problems. Same written pricing, same 365-Day Done Right Promise, same live-answer phones.
Serving Battle Ground, WA - Our Local Coverage Area
We’re based in the Battle Ground 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 Battle Ground
Because builders rarely clean ductwork after construction, and the flex duct joints in new Battle Ground homes are often left unsealed. Drywall dust, wood shavings, and silica-rich glacial outwash dust from the WA-503 corridor settle in the ducts during build-out, then blow into your living space when the system cycles. We recommend a camera inspection and cleaning within the first year, with sealing of any loose joints. Call (361) 326-5060 to schedule – estimates are free.
Battle Ground’s valley position and rapid growth along WA-503 create a unique combination: new subdivisions built in the path of volcanic ash and glacial outwash dust, with builder-grade HVAC systems that trap that debris. Ridgefield and Camas have some new construction, but Battle Ground’s boom has been concentrated and recent, so we see more first-year sealing and cleaning calls here than in older, more established markets. The humidity swings also test seal durability more than in drier inland areas.
Sealed all duct openings during construction with proper caps, not cardboard and tape. Cleaned the duct runs with negative-air equipment before final inspection. Mastic-sealed every flex duct joint, not just clamped them. And run the system with filtration before occupancy to capture residual dust. Most don’t. We fix what they skipped.
No. If the ducts are full of construction debris, sealing the leaks without cleaning first traps that debris inside and can actually make the dust problem worse by pressurizing the system. We clean first – negative-air with agitation and HEPA filtration – then seal the joints. The sequence matters. Sealing alone is only the right answer if the ducts are already clean and only the joints are leaking.
Signs we see most often in Battle Ground: dust puffing from registers when the system starts, rooms that never reach the thermostat setting, uneven heating or cooling between upstairs and down, and energy bills that climb without explanation. We can also run a pressure test to quantify leakage against industry standards. Call (361) 326-5060 and we’ll show you what we find – no charge for the inspection.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Battle Ground and the greater Clark County area.




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