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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
See the difference
Before
After
Before
After
Before
AfterHow Much Does Duct Repair & Sealing Cost in Charlotte?
Duct repair and sealing in Charlotte typically costs between $350 and $1,200 for a residential job, with most single-system repairs landing in the $450 to $850 range. Small patch jobs and single-joint sealing runs start around $250 to $400, while larger restoration work on crushed or disconnected trunk lines can climb past $1,800 depending on how much duct has to be replaced and how hard it is to reach. The written estimate you get after we inspect the system sets the final price, and that estimate is free.
What separates one quote from another in Charlotte isn’t usually labor rate. It’s what the tech finds once the duct is opened up. A 1950s bungalow off The Plaza with original sheet metal and a couple of loose joints is a very different job from a newer build in Ballantyne with flex duct that’s been crushed behind a finished ceiling. Both need repair. The scope, hours, and material are not the same. We work on both, and we’d rather tell you the honest range before we climb into the attic than surprise you after.
Key takeaways
- Most Charlotte duct repairs and sealing jobs land between $450 and $850.
- Single joint reseals and small patches start around $250 to $400.
- Full trunk line replacement or major restoration can run $1,200 to $1,800 and up.
- Estimates are free, and the written quote sets the final price.
- We use Rotobrush contact cleaning and Nikro HEPA-rated vacuums, and we repair what we find in-house rather than referring you to a second contractor.
If you want the short version: it depends on access, duct type, and how far the damage has spread. The long version is below, and it’s worth the read if you’ve already gotten one of those vague quotes that says “starting at” and never gives you a real number.
Duct Repair & Sealing Cost Breakdown (2026)
These ranges reflect the Charlotte market heading into 2026. They’re typical estimates for residential work, not quotes, and every one of them assumes we’ve looked at the actual system. A job that sounds like one line item on the phone often lands somewhere else once the duct is exposed.
| Repair type | Typical range | What it covers |
|---|---|---|
| Single joint reseal | $95 – $175 | Sealing one disconnected or leaking joint with mastic or foil tape |
| Partial system sealing | $350 – $600 | Sealing multiple accessible joints, boots, and seams in one zone |
| Full system sealing | $600 – $1,200 | Sealing all accessible joints across the whole duct run |
| Duct patch / hole repair | $250 – $500 | Patching holes, tears, or pest damage in flexible or sheet metal duct |
| Section replacement | $400 – $900 | Cutting out and replacing a damaged run of duct |
| Trunk line replacement | $1,200 – $2,500 | Replacing a main trunk run, including fittings and reconnect |
| Crushed flex duct repair | $300 – $700 | Replacing flex duct that’s been kinked, crushed, or disconnected in the attic |
| Boot and register reseal | $75 – $200 each | Resealing the connection between the duct and the floor, wall, or ceiling register |
What pushes a job toward the high end? Hard-to-reach duct in a tight attic, finished ceilings that have to be opened for access, and multiple failed runs across different zones. What pulls it down? Easy access, a single system failure, and duct that’s largely intact. It’s that simple, and honestly it’s why the phone quote never matches the invoice at the discount shops. They quote the easy version.
The reason we lead with equipment on a repair page is that the repair is only as good as what we find. Before we patch or seal anything, we run the system with proper extraction so we’re not taping over debris or sealing a joint that’s packed with dust and construction grit. Rotobrush contact cleaning gets the duct surfaces clean, and Nikro HEPA-rated vacuums capture the fine particulate that cheaper systems blow back into the room. Repair on top of a dirty duct is a callback waiting to happen. We don’t do callbacks on our own work, so we clean first.
What Affects Duct Repair & Sealing Pricing in Charlotte
Charlotte’s housing stock is the biggest driver of what a job costs. The city has grown fast, and that means a wide mix of construction: post-war bungalows in Plaza Midwood and NoDa, 1990s subdivisions in University City and Matthews, and new builds out in Steele Creek and Ballantyne. Each era of construction used different duct materials, different routing, and different levels of attic access. The duct in a 1962 brick ranch is not the duct in a 2019 two-story, and pricing reflects that.
- Attic access and crawlspace conditions. Charlotte’s hot, humid summers mean ducts run through attics that get brutally warm, and crawlspaces under older homes stay damp much of the year. Duct that’s been baking in a 140-degree attic or sitting in crawlspace moisture fails faster, and reaching it takes longer. Both add to labor.
- Duct material. Flexible duct is quicker to replace but crushes easily and often fails at the connections. Rigid sheet metal is more durable but harder to modify and more expensive to work with. Old galvanized duct in Charlotte’s mid-century neighborhoods sometimes needs more patching just to get back to sound condition.
- Number of problem zones. A single failed joint is a quick job. Multiple failed joints across several rooms means more time, more material, and more of the system sealed. Pricing tracks the count.
- Pest and moisture damage. Rodents and insects get into duct in older Charlotte homes, and the damage they leave behind (chewed flex, contaminated duct, compromised insulation) can turn a repair into a partial rebuild. If we find contamination, Abatement Technologies equipment is on hand to handle it properly rather than just sweeping it out.
- Whether cleaning is needed first. If a system hasn’t been cleaned in years, the repair quote usually includes a cleaning visit, because we won’t seal a dirty duct. Cleaning and repair done together is more efficient than doing them separately.
- System size and layout. A single-zone system in a small ranch costs less to seal than a two-story with multiple zones and long trunk runs. The larger the system, the more joints, boots, and seams there are to address.
One thing that doesn’t change the price: how urgently you need it. Same-day work is priced the same as work scheduled for later in the week. The estimate is the estimate.
How to Save on Duct Repair & Sealing
The single biggest way to save on duct repair in Charlotte is to catch the leak early. A small disconnected joint that gets resealed for under $200 becomes a $700 job once the duct has been running disconnected for a year, pulling attic air and condensation into the system. If your energy bill has crept up or one room never gets comfortable, that’s the signal to look. Not next spring. Now.
Beyond catching it early, a few practical moves:
- Bundle cleaning with repair. If the system needs cleaning anyway, doing it on the same visit that handles the repair saves a second trip and a second setup. One visit, one full duct-health job.
- Get the whole system sealed, not just the one leak. Sealing one joint and leaving the other twelve alone is money spent twice. A full seal at $600 to $1,200 often costs less over two years than three separate single-leak visits.
- Ask about filtration upgrades while we’re there. We work with Honeywell and Aprilaire filtration products, and a properly sized filter reduces the particulate that settles into duct and accelerates wear. It’s not a repair line item, but it’s worth a conversation during the visit.
- Don’t skip the dryer vent. Blocked dryer vents are a leading cause of residential fires, and we handle that alongside duct work. Clearing it during the same visit costs less than a separate call and addresses a real safety issue.
- Get the free estimate in writing. The written estimate is what sets the price, so ask for one before any work begins. If a company won’t put a number on paper, that tells you what you need to know.
If you’ve had a vague quote from a discount cleaner and want to know what you’d actually be paying for, call us at (833) 962-6967. The estimate is free, and we’ll walk you through what we found and what it costs to fix it. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Charlotte?
Most duct repair jobs in Charlotte cost between $350 and $1,200, with the typical single-system repair landing around $450 to $850. Small joint reseals start near $95 to $175, and larger trunk line replacement runs $1,200 to $2,500. Call (833) 962-6967 for an exact quote, and the estimate is free.
Is it cheaper to repair or replace my ductwork?
Repair is cheaper in most cases. A $350 to $700 repair on a system with isolated failures is almost always less expensive than a full duct replacement, which can run well past the $2,500 mark once the entire system is involved. Replacement only makes sense when the duct is failing throughout, badly contaminated, or the wrong size for the system. We’ll tell you which side of that line you’re on after we look. Call (833) 962-6967. We answer 24/7.
Can you repair and seal my duct the same day?
Yes, single-joint and small-scope repairs can typically be done the same day. Larger jobs where we need to source specific fittings or replace a long trunk run are usually scheduled for a follow-up visit, and the estimate you get on the first visit includes the schedule. Call (833) 962-6967 and we’ll get you on the calendar. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why do duct repair quotes in Charlotte vary so much?
Quotes vary by hundreds of dollars because companies scope the job differently. A quote of $200 often covers one joint and nothing else. A quote of $800 covers sealing the whole accessible system, checking the boots, and verifying the connections hold. The cheap quote isn’t wrong, it’s just smaller. What matters is knowing which one you’re buying. The free estimate at (833) 962-6967 will spell out exactly what’s included, line by line.
Does duct sealing really save money on energy bills?
Sealing leaking duct keeps conditioned air inside the system instead of losing it into the attic or crawlspace, so yes, in most homes it reduces the load on the HVAC system. The size of the savings depends on how much leakage the system had to start with, and we won’t put a number on it without testing. What we can say is that in Charlotte’s climate, where attics get hot and humid for months, every sealed joint is doing real work. Call (833) 962-6967 to schedule the free estimate.
A note on what we find in most Charlotte attics: about half the callbacks we prevent come down to the same three problems. Loose joints from thermal cycling, crushed flex behind finished spaces, and moisture intrusion that compromises the insulation around the duct. All three are repairable. None of them get better on their own. If your HVAC tech has told you the system is losing air or a room never cools down, the duct is where the answer usually lives.
We’ve been serving Charlotte since 2017, and in that time the housing has changed more than the duct problems have. The sealed-joint failures, the crushed runs, the disconnected boots, they were here nine years ago and they’re here now. What’s changed is that we have the equipment to handle the full picture: Rotobrush contact cleaning, Nikro HEPA extraction, Abatement Technologies handling for compromised duct, and Guardsman finishing on top of the repair so the surfaces are treated, not just patched. You can read more about our approach on the main Stratford Air Duct Cleaning page, or check out our full Charlotte service page for what a full duct-health visit involves. We repair what we find, in-house, without sending you to a second contractor.
Call (833) 962-6967 to book the free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. If you know the duct is failing and just want to know the cost, call now. The written estimate sets the final price, and there’s no pressure to book the work the same day.
Pricing reflects the Charlotte market as of 2026. Stratford Air Duct Cleaning offers free estimates – call (833) 962-6967.
What Our Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Riya Gupta"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Jasmine Grant"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Craig Bennett