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.
Fast, Reliable Duct Sealing Across Canton
Duct sealing in Canton runs $450 to $1,200 for a typical single-family home, and the job usually takes one day when we schedule it. That covers finding the leaks, sealing accessible joints with mastic or Guardsman sealant, and verifying the repair with a pressure test or camera inspection. If you’re in Canton and you can feel dust settling right after cleaning, or rooms upstairs never quite cool down, the problem is likely air escaping your ducts before it reaches the registers. Call (762) 769-7145 and we’ll give you a written price before any work starts.
Canton’s mix of historic homes near downtown and newer subdivisions along Sixes Road and Hickory Flat means no two duct systems fail the same way. We know what to look for in both. Our Duct Sealing team works on everything from original metal ducts in 1920s Craftsman houses to flexible attic runs in late-90s subdivisions, and we price the job the same way every time: one written number, agreed to before we touch anything.
Why Hollis Air Duct Alpharetta Is Canton’s Preferred Duct Sealing Company
Canton homeowners call us because we show up when we say we will, and the price on the written quote is the price on the invoice. That matters in a trade where a $99 teaser becomes $900 once the van is in the driveway. Roy Castellanos runs our crews the way The Garrison Standard demands: arrive inside the quoted window, price in writing, do the job by the book, and leave the site clean. Every technician is background-checked and uniformed, so you know who is walking through your door before they arrive.
We answer calls with a live person, 24 hours a day, seven days a week. No voicemail loops, no “we’ll get back to you Monday.” If you call at 9:00 on a Saturday night because you just found fiberglass dust blowing from a bedroom vent in your Canton home, a person picks up. That’s rare in this trade, and it’s how we’ve built a strong local reputation throughout Cherokee County.
Our crews know Canton’s housing stock. We know a ranch off Lower Burris Road built in 1972 will have different duct failure modes than a two-story off Sixes Road built in 2006. That local knowledge means we diagnose faster and seal the right spots the first time. Dispatch is coordinated from the brand’s Atlanta office, and crews serve Canton locally.
Styles & brands we work with
Air Duct Sealing in Canton
Air Duct Sealing in Canton means finding and closing every gap, crack, and failed joint in your ductwork so the air you paid to condition actually reaches the rooms it’s meant for. In an older Canton home, that often means crawlspace work, sealing return ducts under a pier-and-beam foundation where red clay dust has been sneaking in for decades. In a newer subdivision home, it usually means attic work, sealing flexible duct seams that have split behind the air handler.
What the Sealing Job Actually Involves
We find leaks with a camera inspection or pressure test, then seal accessible joints with mastic or Guardsman sealant. The material matters less than the technician’s patience: a rushed seal job fails within one cooling season. Ours does not. The 365-Day Done Right Promise covers every repair in writing for a full year. If a sealed joint fails, we come back at no charge. Free second visit, included, not negotiated.
When Canton Homeowners Need It
You need sealing when you can still smell or see dust weeks after a cleaning, when the upstairs of a Sixes Road home runs five degrees warmer, or when your blower motor is coated in red clay powder every time we open the cabinet. If your energy bill has crept up without a change in usage, that’s another sign. Sealing typically runs $450 to $1,200 depending on system size and access.
Duct Sealing Services in Canton
Duct Sealing Services in Canton are not a one-size job. A downtown Victorian with original metal ducts needs a different approach than a 2008 subdivision house with flexible attic runs. We provide the full range: return duct sealing, supply duct sealing, register boot sealing, and static pressure testing after the job to prove the numbers moved. What we do not do is sell you sealing you don’t need. If your ducts are tight and the problem is something else, we’ll tell you that plainly.
Return and Supply Duct Sealing
Returns pull air toward your air handler; supplies push it out. Leaks on the return side pull in whatever surrounds the duct. In Canton, that is usually attic insulation fibers in newer homes and crawlspace dust in older ones. Supply leaks push conditioned air into wasted space. We seal both sides, because sealing one without the other leaves your system half-fixed.
Static Pressure Correction
High static pressure is the hidden cause of many Canton duct failures. When a return duct is too small, the system works harder, joints pop, and sealant cracks. We measure static pressure before and after sealing. If the return needs enlarging, we tell you exactly what that costs before any work begins. No surprises at the door.
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.
Trusted Brands We Service in Canton
The equipment on our trucks is the same gear commercial crews use. We run Rotobrush rotary brush systems for agitation, Nikro negative-air machines to keep what we dislodge from entering your living space, and we stock Guardsman sealant, Honeywell filtration products, and Aprilaire components for Canton jobs. That means when we find a failed seal on a Honeywell-connected duct run, the replacement material is already on the truck. Fast turnaround is not a slogan; it’s having the right parts and a crew who knows how to use them. If your system uses one of these brands, we service it directly. No sending parts across the state.
See the difference
Before
After
Before
After
Before
AfterCommon Duct Sealing Problems We See in Canton Homes
- Split flexible ducts in late-90s subdivisions. Homes built around 1998 to 2005 in Canton often have flex runs in the attic that kink behind the air handler. The seam splits, pulls in loose-fill insulation, and re-clogs a system within months of cleaning. Sealing the seam and replacing the kinked section fixes the root cause, not just the symptom.
- Red clay dust in crawlspace returns near historic downtown. Canton’s older Craftsman and Victorian homes sit over pier-and-beam crawlspaces. Unsealed return ducts under the house pull red clay powder straight into the blower motor and then into every room. Sealing under the house stops this at the source.
- Popped metal joints on zoned Sixes Road systems. When the upstairs return is undersized, static pressure builds. That pressure pops metal duct joints apart, and any sealant applied without fixing the pressure issue cracks within one cooling season. We correct the pressure problem first, then seal.
- Rural dust loading from unpaved drives and open land. Homes off Butterworth Road or along rural stretches of Canton sit near unpaved lanes and open pasture. The dust load is heavier than in-town homes, which means sealing matters more, and maintenance intervals get shorter. Sealed ducts keep that constant fine dust out of the air you breathe.
We sealed a Craftsman near downtown Canton where the original metal supply and return ducts had failing seals at every register boot. Red clay dust from the crawlspace was bypassing the air handler entirely. Our crew used Rotobrush agitation tools under negative pressure, then applied Guardsman duct sealant to all accessible joints. Follow-up camera inspection confirmed no leaks, and static pressure dropped into manufacturer spec. That is what a Canton sealing job should look like.
In Canton’s subdivisions along Sixes Road, zoned HVAC systems with undersized upstairs returns pull attic insulation fibers into the ductwork, raising static pressure and making duct sealing essential to keep fiberglass out of living areas. This is a local pattern we see repeatedly, and it is one of the reasons sealing lasts longer when the pressure problem is fixed at the same time. We do not just patch the hole; we fix the reason the hole appeared.
Pricing for Duct Sealing in Canton, GA
A straightforward duct sealing job on a single-family Canton home runs $450 to $1,200. At the low end, that’s a system with good access and a handful of failed joints. At the high end, it’s a larger home with split flex ducts, undersized returns, or crawlspace work under an older house. Homes over 3,000 square feet with zoned systems near Sixes Road can push toward $1,500. What affects the number: square footage, number of stories, attic versus crawlspace access, and whether we’re correcting static pressure, not just sealing joints. A ranch-style house with a pier-and-beam crawlspace off Lower Scott Mill Road will typically be less expensive than a two-story with a sealed attic.
The price is written down before we touch anything. It does not move at the door. Call (762) 769-7145 for a free estimate and we’ll tell you exactly what your Canton home’s system will cost.
We Also Serve Cities Near Canton
From our base serving Duct Sealing in Canton, we regularly work in Alpharetta, Roswell, Cumming, and Duluth. If you’re just outside Canton in any of these communities, call (762) 769-7145 and we’ll schedule you for the same written-price, guaranteed work we provide throughout Cherokee County.
Serving Canton, GA - Our Local Coverage Area
We’re based in the Canton 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 Canton
Newer homes along Sixes Road frequently have zoned HVAC systems with undersized upstairs return ducts. That undersizing raises static pressure, which pops metal joints and splits flexible duct seams within one to two cooling seasons. Sealing alone will not hold unless the pressure problem is corrected at the same time. Call (762) 769-7145 and we’ll measure your static pressure before quoting a sealing job.
Yes. Red clay dust enters through unsealed return ducts under pier-and-beam foundations and through gaps at register boots. Sealing these openings with mastic or Guardsman sealant blocks the dust at the source. If your ranch home sits near unpaved roads or open pasture, sealing is the single most effective step for keeping that fine powder out of your living areas.
Wood heat adds fine ash and creosote particles to the indoor air, which then circulate through the duct system and accumulate on damp or oily surfaces. Sealed ducts handle this better than leaky ones because the ash stays in the air stream and gets caught by the filter, instead of settling into wall cavities through gaps. We recommend a filter check every 60 days in wood-heated Canton homes, even after sealing.
For most Canton homes, a thorough sealing job holds for 8 to 12 years before joints begin to fail again, provided the original pressure problem was corrected. In homes with ongoing static pressure issues or heavy pollen load from surrounding tree cover, inspect every 5 years. The 365-Day Done Right Promise covers our work for the first year; what matters after that is whether the root cause was fixed.
Both should be done. Supply leaks waste conditioned air; return leaks pull in insulation, crawlspace dust, and whatever else surrounds the duct. Sealing one side without the other leaves your system half-protected, and the unfixed side will keep contaminating the air. We seal both as one job, priced in writing before we start. Call (762) 769-7145 for an exact quote for your Canton home.
Written by Roy Castellanos, Owner at Hollis Air Duct Alpharetta, serving Canton since 2004.