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
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Before
AfterHow Much Does Air Quality & Sanitizing Cost in North Charleston?
Air quality and sanitizing work in North Charleston typically runs $350 to $1,400 for most homes, with duct cleaning and sanitizing for an average three-bedroom house landing near $550 to $850. Whole-home filtration add-ons and duct repair push the number higher. The written estimate sets the final price, and estimates are free.
If you’re calling because of allergy flare-ups, dust after a renovation, or a musty smell that won’t leave the back rooms, the range above is what you should plan for. Our technicians have up to 8 years of experience with the equipment that does this work properly – Rotobrush rotary-brush systems, Nikro HEPA extraction, and Abatement Technologies filtration units. The air inside your home is only as clean as the system moving it.
Sunstone Air Duct Cleaning is a full-system specialist. Where most services stop at vacuuming, we clean, repair and restore. One call covers cleaning, repair, and dryer vent safety. Call (855) 683-7582 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Key Takeaways
- Typical air quality and sanitizing cost in North Charleston: $350-$1,400, depending on home size and system condition.
- Duct cleaning and sanitizing for an average home: $550-$850.
- Duct repair, when needed, is priced separately and can be done on the same visit.
- Estimates are free and the written estimate is what you pay – not a phone quote adjusted later.
- Professional-grade equipment (Rotobrush, Nikro, Abatement Technologies) is what separates a real clean from a vacuum pass.
Air Quality & Sanitizing Cost Breakdown (2026)
Here’s how the work breaks down by line item for North Charleston homes. These are typical ranges for the local market in 2026. They’re estimates, not quotes – the written estimate you receive is the price you pay.
| Service | Typical Range | What It Covers |
|---|---|---|
| Whole-home air duct cleaning (up to 10 vents) | $350-$600 | Rotary-brush agitation and HEPA extraction of supply and return lines |
| Whole-home air duct cleaning (11-20 vents) | $550-$900 | Same process, more runs, longer time on site |
| Sanitizing / antimicrobial treatment | $150-$350 | Fogging or misting of duct interiors after cleaning |
| Duct cleaning + sanitizing bundle | $550-$1,100 | Clean first, then treat – the order matters |
| Duct repair (sealing, reconnecting, patching) | $200-$800 | Priced by the run; simple reconnects at the low end |
| Dryer vent cleaning | $125-$250 | Lint removal from the full run to the exterior |
| Filtration upgrade coordination (Honeywell / Aprilaire) | $200-$600 | Whole-home filter or media cabinet work priced per system |
What pushes cost up: a larger home, the number of vents and returns, a system that hasn’t been cleaned in many years, visible debris or pest activity in the lines, and duct repair on top of cleaning. What keeps it down: a straightforward single-system home, cleaning and sanitizing done together, and no repair needed. A house with a big second-story run and a separate system for a finished basement will sit at the top of the range. A compact bungalow with one air handler will sit near the bottom.
Sanitizing is always priced after cleaning, never instead of it. Fogging a dirty duct just seals dust in place. That’s why we clean first with rotary brushes and HEPA extraction, then treat the surface that’s left.
What Affects Air Quality & Sanitizing Pricing in North Charleston
- Home size and vent count. A ranch in Wando Woods with eight vents is a different job than a two-story house near Park Circle with twenty. Every extra run adds time and equipment passes. Vent count is the single biggest driver of price.
- How long the system has gone without service. Ducts that haven’t been cleaned in a decade hold more compacted debris, and compacted debris takes longer to agitate out. Homes near the old Navy base and older neighborhoods around Rivers Avenue often carry heavy buildup from years of renovation dust and filter neglect.
- Duct repair needs. Loose joints, disconnected runs in a crawlspace, and crushed flex duct all show up when we open the system up. Repair is priced by the run. We tell you what we find before doing the work, and we can handle it in the same visit rather than sending you to a separate contractor.
- Local construction and renovation activity. North Charleston has seen steady building and remodeling. Drywall dust and sawdust make their way into return ducts during a renovation and settle across the whole system. Post-renovation cleanouts run higher because there’s more to extract.
- Filtration and air quality systems already in the home. If you have a Honeywell or Aprilaire whole-home filter or media cabinet, we work with those systems rather than around them. Coordination adds time and sometimes parts, but it means the cleaning fits your existing setup.
- Whether sanitizing is requested or recommended. Not every job needs it. If there’s a musty odor, visible microbial growth, or a known moisture issue, sanitizing is worth the added $150-$350. If the system is simply dusty, a thorough clean may be all you need.
How to Save on Air Quality & Sanitizing
The biggest savings come from doing the right things in the right order and not paying twice for the same problem. A few practical steps:
- Get the cleaning and the sanitizing quoted together. Bundled, they cost less than booking them as two separate visits. Ask for a single written estimate covering both.
- Deal with duct repair at the same time as cleaning. If a run is disconnected, sealing it before or during cleaning prevents debris from re-entering the living space. We can do both in one visit – no referral chains, no waiting for a second contractor.
- Change your filter on schedule. A clogged filter forces the blower to work harder and lets dust bypass into the system. Doing this yourself between visits is the cheapest thing you can do for air quality.
- Add dryer vent cleaning to the same call. It’s a separate job, but bundling it into one appointment saves you the second visit and addresses a leading cause of residential fires.
- Ask for a free estimate and compare line items, not just totals. A low total that skips sanitizing, misses the returns, or leaves a broken run behind isn’t a saving. Call (855) 683-7582 for a free estimate and we’ll walk you through what your system actually needs.
Our technicians have up to 8 years of experience and use equipment built for this work – Rotobrush rotary-brush systems, Nikro HEPA-filtered vacuums, and Abatement Technologies filtration units. That’s the same category of equipment used in professional mold and contaminant remediation, not a shop-vac setup. It’s why the clean is thorough and why the price reflects real work rather than a quick pass. Learn more about our Sunstone Air Duct Cleaning approach, and if you’re comparing local providers, our North Charleston page covers what we do across the area.
Does Sanitizing Really Make a Difference?
Yes, when it follows a real cleaning. Sanitizing reduces microbial growth and odor on duct surfaces, but it doesn’t remove debris. The order is what makes it worthwhile: agitate and extract first, then treat the surface. If a company offers to fog your ducts without cleaning them, that’s not sanitizing – that’s a scent.
For homes with allergy sufferers, recent water intrusion, or post-renovation dust, sanitizing is usually worth the $150-$350. For a system that’s simply overdue for a clean, the cleaning itself does most of the work. We’ll tell you honestly which one your home needs.
What About Dryer Vent Cleaning – Is It Part of This?
It’s a separate service, but it belongs in the same conversation. A clogged dryer vent traps lint and heat, and it’s a leading cause of residential fires. Dryer vent cleaning in North Charleston typically runs $125-$250 and takes less than an hour for most homes. We recommend it whenever the dryer takes longer than it used to, or if you can’t remember the last time the vent was cleared. It’s not air quality work, but it’s home safety work, and one call covers both.
FAQs – Air Quality & Sanitizing Cost
How much does air duct cleaning cost in North Charleston?
Air duct cleaning in North Charleston typically costs $350 to $900 depending on the number of vents and the condition of the system. An average three-bedroom home with ten to fourteen vents usually lands between $450 and $700. Sanitizing adds $150 to $350. Call (855) 683-7582 for an exact quote – estimates are free.
Is sanitizing worth the extra cost?
Sanitizing is worth the $150-$350 when there’s a musty odor, visible growth, or a known moisture problem in the system. It’s less necessary for a system that’s only dusty. The written estimate sets the final price, and we’ll tell you if your home needs it. Call (855) 683-7582 to talk it through.
Can you clean and repair ducts in one visit?
Yes. Duct repair is priced by the run, typically $200-$800, and can be done on the same visit as cleaning. We find disconnected joints, crushed flex runs, and poor seals during cleaning and fix them then, rather than leaving you to call someone else. Call (855) 683-7582 to schedule an estimate.
How often should ducts be cleaned in North Charleston?
Most homes should be cleaned every three to five years. Homes with pets, recent renovations, allergy sufferers, or a long-neglected system may need it sooner. That’s a general guideline, not a rule – if you’re unsure, the free estimate tells you whether you’re due. Call (855) 683-7582.
Do you work with Honeywell and Aprilaire systems?
Yes. We work with Honeywell and Aprilaire whole-home air quality systems, along with Guardsman products, so the cleaning fits your existing filtration setup rather than working around it. Coordination can add $200-$600 depending on the system. Call (855) 683-7582 for a free estimate.
What Happens When You Call
You’ll get a short set of questions about your home – square footage, number of vents, what’s prompting the call – and then a written estimate for the work. We don’t quote blind over the phone and adjust it up later. The written estimate is the price. If duct repair turns up during cleaning, we tell you before doing it and price it separately.
We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. We’re closed on Saturday. A call outside dispatch hours is booked into the next opening, Sunday through Friday, 7am to 7pm.
If your home takes air quality seriously – if someone in the house has allergies, if you’re finishing a renovation, if the system is older and you suspect it’s leaking or contaminated – this is the work worth doing properly. Professional-grade equipment, not improvised tools. Clean ducts, repaired ducts. One call covers cleaning, repair, and dryer vent safety.
Call (855) 683-7582 for a free estimate today. We’ll tell you what your system needs, what it costs, and what you can skip.
Pricing reflects the North Charleston market as of 2026. Sunstone Air Duct Cleaning offers free estimates – call (855) 683-7582.
What Our Customers Say
"My wife's allergies had been bad in this house since we moved in. It's been two months since they did the ducts and it's noticeably better. Not a miracle, but real."
- Devon Jackson"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Paul Lawson"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Neil Thompson