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 Yeadon
Duct sealing in Yeadon typically runs $800 – $2,400 for a whole-house job, depending on how much of the original 1940s – 1960s ductwork needs attention. Most Yeadon homes we work on need more than a quick patch. They need a crew that understands post-war galvanized trunk lines, narrow crawlspaces, and the kind of accumulated corrosion you only see in houses that have gone decades without professional service. We’re that crew. Our Duct Sealing in Yeadon work is scheduled from our Philadelphia office, with technicians who know the tight blocks around Baily Road, the similar layouts repeating house to house, and the specific failures these systems develop. Call (361) 326-5060 for a free written estimate.
Why Hollis Air Duct Cleaning Is Yeadon’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our reputation in Delaware County is built on showing up inside the window, pricing in writing, and leaving the site clean. That’s The Garrison Standard. It means no estimate that balloons once our technician is in your basement. No crew you can’t identify. Every Hollis technician is background-checked and uniformed, and our phones are answered by a live person 24 hours a day, 7 days a week.
Yeadon Dryer Vent Cleaning homeowners call us back because we explain what we find. On a narrow lot off Baily Road, our tech camera-inspected a 1952 home’s original galvanized supply and return ducts, finding a crushed branch run behind the air handler and disconnected joints. We used agitation tools and negative pressure with HEPA filtration to remove rust and debris to NADCA standards, then sealed the compromised runs. The owner had lived there 23 years and never understood why the second floor stayed cold. Now she does.
Our 365-Day Done Right Promise covers every sealing job in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. That’s not a slogan. It’s printed on every invoice.
Duct Sealing Services in Yeadon
Duct Sealing Services in Yeadon address a problem most homeowners don’t know they have: conditioned air leaking into crawlspaces, walls, and attics before it ever reaches the rooms you actually live in. In Yeadon’s post-war housing stock, original galvanized steel ducts corrode at seams and joints, while early flexible runs crack where they bend around framing. The result is uneven temperatures, HVAC systems that run longer than necessary, and utility bills that climb without explanation. A typical whole-house duct sealing job in Yeadon runs $800 – $2,400, with partial repairs on isolated problem zones starting around $400 – $700. We always provide a written price before any work starts.
Leak Detection and Assessment
We start with a pressure test and visual inspection, using a camera where accessible. In Yeadon’s older homes, we often find the worst leaks hidden behind the air handler or buried in narrow crawlspaces that newer construction simply doesn’t have. We mark every compromised joint, seam, and disconnected run on a diagram you keep. No guesswork.
Mastic Sealing and Reinforcement
We apply duct sealing mastic, a thick, fiber-reinforced compound that bonds to clean metal and cures into a permanent seal. For corroded galvanized ducts, we first remove rust and debris with rotary brush agitation, then seal. Slapping mastic over rust is a temporary fix we won’t do. The mesh reinforcement we add at stress points prevents the seal from cracking as the duct expands and contracts through Yeadon’s hot summers and cold winters.
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 Yeadon
Duct Insulation in Yeadon solves a related but separate problem: thermal loss through unconditioned spaces. Even perfectly sealed ducts will waste energy if they run through a hot attic in July or a freezing crawlspace in January. Yeadon’s humid continental climate means your HVAC works hard year-round, and uninsulated metal ducts in basements or crawlspaces bleed temperature at every foot. A typical duct insulation job in Yeadon runs $600 – $1,800 depending on linear footage and access difficulty. We use professional-grade materials from Abatement Technologies and Guardsman, specified to R-6 or R-8 values as appropriate for your system’s location.
Attic and Crawlspace Wrap
We wrap accessible trunk lines and branch runs with foil-faced fiberglass or closed-cell insulation, sealed at seams with metal tape. In Yeadon’s tight post-war blocks, crawlspaces are often just 18 – 24 inches high, making proper installation a matter of patience and the right tools, not speed. Our technicians are trained to work in these conditions without cutting corners.
Insulation Replacement After Cleaning
When we remove degraded, moisture-damaged insulation during a cleaning job, we replace it with new material rated for your application. Old insulation that’s compressed, mold-stained, or chewed by rodents isn’t doing its job. We document the condition with photos before and after, so you see exactly what changed.
Trusted Brands We Service in Yeadon
Our equipment roster includes Rotobrush rotary brush systems for agitation cleaning, Nikro negative-air machines for controlled debris removal, and filtration and insulation products from Honeywell, Aprilaire, Abatement Technologies, and Guardsman. We stock common sealing and insulation materials locally, so most Yeadon jobs don’t wait on parts. When your system uses a specific component, we match it rather than substituting whatever’s on the van. That matters in older homes where modern retrofit parts don’t always fit original duct dimensions.
Common Duct Sealing Problems We See in Yeadon Homes
- Corroded galvanized seams. Original ducts from the 1940s – 1960s rust from the inside out, especially at joints where condensation collects. Sealing mastic won’t bond to flaking metal, so we clean to bare metal first or recommend section replacement when corrosion is too advanced.
- Disconnected flexible branch runs. Early flexible duct, common in Yeadon retrofits, pulls away from collars over decades of vibration. We find these hidden behind air handlers or buried in insulation where homeowners never look.
- Crushed supply lines in tight crawlspaces. Yeadon’s narrow lots mean crawlspaces built for minimum clearance. Ducts get compressed against joists or pinched by later plumbing and electrical additions, restricting airflow and creating pressure leaks upstream.
- Failed DIY tape jobs. We’ve peeled off yards of dried, brittle duct tape applied by previous owners. It looks sealed. It isn’t. We remove it entirely and start with proper mastic and mesh for a permanent repair.
Pricing for Duct Sealing in Yeadon, PA
Whole-house duct sealing in Yeadon typically costs $800 – $2,400. Partial repairs on isolated zones run $400 – $700. Duct insulation runs $600 – $1,800 depending on how much linear footage needs covering and how accessible the runs are. What moves a job toward the higher end: extensive corrosion requiring section replacement, multiple disconnected runs in hard-to-reach crawlspaces, or insulation removal and replacement combined with sealing work.
We don’t quote per-vent or per-foot teaser prices that balloon at the door. We inspect, we diagnose, we write the full price down, and that number doesn’t move once you approve it. Every estimate is free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Yeadon
Our Duct Sealing crews work throughout Delaware County and the surrounding metro, including Yeadon, Philadelphia, Levittown, Norristown, and Chester. Scheduling and dispatch are coordinated from our Philadelphia office, with local technicians assigned to minimize travel time and respect your appointment window.
Serving Yeadon, PA - Our Local Coverage Area
We’re based in the Yeadon 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 Yeadon
Yeadon’s post-war housing stock uses original galvanized or early flexible ducts that have never been professionally cleaned in many homes, so corrosion, disconnection, and debris accumulation are far more severe than in newer construction with modern duct materials. The tightly packed blocks also mean crawlspaces are narrow and systems are harder to access, so problems go unnoticed longer. Call (361) 326-5060 for a free inspection and written estimate.
Yes, but we clean first. Sealing over decades of rust, dust, and debris traps contaminants inside and prevents mastic from bonding properly. We use rotary brush agitation and negative-air HEPA extraction to prepare the surface, then seal. In Yeadon, this two-step process is standard for homes built before 1970.
Uneven temperatures between rooms, unusually high utility bills, and visible dust around registers are common signs. We confirm with camera inspection and pressure testing. In Yeadon’s similar post-war layouts, we often find the same failure patterns: crushed branch runs behind the air handler, disconnected collars at flexible duct transitions, and corroged trunk lines in crawlspaces.
We use fiber-reinforced duct sealing mastic for permanent joint and seam repair, metal mesh reinforcement at stress points, and insulation from Abatement Technologies and Guardsman rated to R-6 or R-8. For severely corroded galvanized sections, we may recommend replacement with modern galvanized or sheet metal rather than attempting to seal failing material.
Yes. Yeadon’s humid continental climate with hot, humid summers and cold winters means year-round HVAC use that accelerates thermal expansion and contraction in metal ducts. That movement stresses seams and joints over time. Humidity also promotes corrosion inside galvanized ducts. Most Yeadon homes benefit from inspection every 5 – 7 years, with sealing as needed based on condition rather than calendar.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Yeadon and the greater Philadelphia area.