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 Air Quality & Sanitizing Cost in Columbia?
Air quality and sanitizing work in Columbia typically runs $250 to $650 for the average home, with whole-home duct cleaning plus sanitizing landing near $400 to $550. Treat that as a starting range, not a quote. Every home’s duct layout, square footage, and equipment needs shift the number, and the written estimate is what sets the final price.
We’re Hartwell Air Duct Cleaning, and we handle three things: air duct cleaning, dryer vent cleaning, and air duct repair. We run professional Rotobrush contact-cleaning systems and Nikro negative-pressure equipment, so the work starts with source removal rather than a surface wipe. Call (866) 942-9804 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Key Takeaways
- Most Columbia homes fall between $250 and $650 for air quality and sanitizing work.
- Duct cleaning on its own is usually the smaller line item; sanitizing and repair add cost.
- Home size, duct condition, and number of vents are the three biggest price drivers.
- Hidden duct damage turns a cleaning visit into a repair job, and we handle both in-house.
- Estimates are free, and the written estimate – not a phone guess – sets your price.
Air Quality & Sanitizing Cost Breakdown (2026)
The table below shows typical price ranges for the individual pieces of an air quality and sanitizing job in Columbia. Most homeowners don’t need all of these at once. A written estimate tells you which ones apply to your system.
| Service | Typical range in Columbia |
|---|---|
| Air duct cleaning (standard single-system home) | $250 – $450 |
| Duct sanitizing treatment (added to cleaning) | $100 – $200 |
| Dryer vent cleaning | $110 – $200 |
| Duct repair (small leaks or joint seals) | $150 – $375 |
| Duct repair (disconnected or crushed sections) | $400 – $900 |
| Larger homes (roughly 2,500 sq ft and up) | $500 – $900 |
| Light commercial space | Quoted per site |
What pushes a quote toward the top of these ranges? A lot. Ductwork that hasn’t been touched in years holds more debris, and more debris means longer cleaning time. Systems with many vents, multiple returns, or a second AC unit take more labor. And if the technician finds a gap, a crushed run, or a disconnected boot, the repair line item comes in on top of cleaning.
What pulls it down? A smaller home with a single system, cleaned regularly, rarely needs much beyond the base service. You get the written estimate before any work begins, so you can weigh cleaning alone against cleaning plus repair and make the call yourself. There’s no charge for the estimate.
One point worth being clear about: what we do is duct cleaning, dryer vent cleaning, and duct repair. We’re not installing HVAC systems or replacing your unit. We clean and we fix the pathways your air moves through, and when the ducts under the Honeywell or Aprilaire systems in your home are dirty or leaking, we handle both sides of that in one visit.
What Affects Air Quality & Sanitizing Pricing in Columbia
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Home size and number of systems. Two-story homes and houses with a second AC unit mean more duct runs and more cleaning time. A 1,600-square-foot ranch and a 3,200-square-foot two-story in the same neighborhood rarely land at the same price.
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Duct condition, not just dirt level. This is the factor most homeowners don’t anticipate. Ductwork that’s dirty gets cleaned. Ductwork that’s leaking, crushed, or disconnected gets cleaned and repaired, and that’s a different number. Screening for damage before we quote is why our estimates hold up.
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Number of vents and returns. Each register you have is a piece of work. A home with 14 vents and 3 returns takes more time than one with 8 vents and 1 return, and the price reflects it.
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Whether sanitizing is needed on top of cleaning. Cleaning removes the debris. Sanitizing treats the interior surfaces after debris is gone. Those are two steps, and sanitizing is quoted as an add-on so you can decide if it’s worth it for your home.
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Dryer vent as a separate line. Dryer vents don’t show up on most AC cleaning quotes, and they should. A clogged dryer vent is one of the leading causes of residential fires, and cleaning it is a standalone service we run, not an afterthought.
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Access and layout. Crawlspaces, attic runs, and tight mechanical closets slow the work down. Columbia homes sit on a mix of slab and crawlspace foundations, and a vent run through a cramped crawlspace takes a different setup than a straight overhead run.
If you’re pricing this out for a specific part of the city, our Columbia service page covers how we approach local homes. The ductwork in a 1950s bungalow and the ductwork in a newer build across town tell you a lot about what the job will involve, and the estimate follows from there.
How to Save on Air Quality & Sanitizing
Air quality work isn’t the place to chase the lowest number, but there are real ways to keep the bill sensible without skipping what matters.
- Bundle cleaning and dryer vent in one visit. If you’re already having the ducts serviced, adding dryer vent cleaning in the same appointment is more efficient than calling twice. It’s a safety line item, and getting it done alongside duct work keeps you from paying for a second setup.
- Handle small repairs before they grow. A loose joint or a minor leak costs less to seal than a collapsed run costs to rebuild. If you suspect damage, ask for it to be checked during the cleaning estimate rather than waiting until airflow drops.
- Skip the sanitizing if cleaning alone fits your situation. Sanitizing is worth it in some homes and optional in others. Ask what the treatment does and make your own call instead of being upsold.
- Get it in writing before work starts. The estimate is free, and the written price is what you pay. That alone keeps you from surprises.
- Know what you’re buying. A crew with professional-grade equipment and a clear process is different from a coupon crew with a shop vac. Source removal with a negative-pressure setup is the standard to ask about.
To get a number for your home, call (866) 942-9804. Estimates are free, and we walk you through what the work involves so you’re not guessing. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
How Does the Sanitizing Step Fit Into Air Duct Cleaning?
Sanitizing comes after cleaning, never instead of it. Here’s how a typical job runs.
First, we set up negative pressure with Nikro equipment so debris travels out of your system, not into your rooms. Then we run Rotobrush contact-cleaning tools through the ductwork to knock loose the buildup that’s clinging to the walls. Once the ducts are clear, sanitizing treats the interior surfaces. Doing it in reverse – treating dirty ducts – wastes the treatment and the money.
That sequence is why we describe our work as source removal, not surface cleaning. Abatement Technologies and Guardsman filtration products in our toolkit reflect the same approach: get the source out, then address what remains. It also means we don’t scrub and leave. If the ducts are damaged, we repair them so they stay sealed rather than leaking air back into a crawlspace.
Our technicians have up to 11 years of experience, and that matters most when a job turns out to be more than a cleaning. Finding a disconnected run mid-job and fixing it on the spot is the difference between one call and two contractors.
FAQs – Air Quality & Sanitizing Cost
How much does air duct sanitizing cost in Columbia?
Sanitizing is usually $100 to $200 when added to a duct cleaning in Columbia. It’s an add-on, not a standalone service, because it only works on ducts that have already been cleaned. Call (866) 942-9804 for an exact quote – estimates are free.
Is air duct cleaning worth the money in Columbia?
For most homes with visible dust buildup, allergy symptoms indoors, or ductwork that hasn’t been cleaned in years, yes. Standard cleaning runs $250 to $450 in Columbia, and the result is measurable airflow improvement plus debris removal. Whether it’s worth it for your home comes down to when the ducts were last serviced. Call (866) 942-9804 and we’ll give you a clear estimate.
Can you clean my ducts and fix a leak in the same visit?
Yes. Duct repair is an in-house service, so cleaning and repair happen together. Repair alone is typically $150 to $375 for small leaks and $400 to $900 for disconnected or crushed sections. One call covers it – no coordinating a second contractor. Call (866) 942-9804 for a free estimate.
How much does dryer vent cleaning cost in Columbia?
Dryer vent cleaning typically runs $110 to $200 in Columbia. It’s a standalone service we offer, and it’s one worth doing – clogged dryer vents are a leading cause of residential fires. If you’re having the ducts serviced, adding the dryer vent keeps you from a second appointment. Call (866) 942-9804 for exact pricing.
Is it cheaper to clean the ducts or replace them?
Cleaning is almost always cheaper. Standard cleaning is $250 to $450, while replacing ductwork as a whole is a much larger project that involves a different trade. Where ducts are damaged, repair rather than replacement is usually the answer, and that’s a service we handle directly. Call (866) 942-9804 so we can look at your system and give you a written estimate.
What Happens When You Call
When you call Hartwell, you get a conversation about your home, not a script. We ask about the age and size of your system, how many vents and returns you have, and whether you’ve noticed anything unusual – dust, weak airflow, musty smells from the registers. That gives us enough to set up a free estimate.
We answer 24/7. A call outside dispatch hours is booked into the next opening, Sunday through Friday, 7am to 7pm. Same-day service is often possible when there’s room in the schedule. Once the technician sees the system in person, you get a written estimate before any work begins. The price is set per job by that estimate – not by a phone approximation and not by a surprise line item later.
If you’re a property manager dealing with several units, the same process applies: clean, sanitized, and repaired, with one estimate covering what’s actually needed at the site.
Your ducts, your dryer vent, your air – fully serviced. That’s the whole point of keeping it to three focused services. We clean it and we fix it, and when a system’s ductwork needs repair, you’re talking to the people who can do it that day.
Call (866) 942-9804 for a free estimate on air quality and sanitizing work in Columbia. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Pricing reflects the Columbia market as of 2026. Hartwell Air Duct Cleaning offers free estimates – call (866) 942-9804.
Written by the team at Hartwell Air Duct Cleaning.
What Our Customers Say
"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Shanice Boyd"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Ebony Hampton"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."
- Rashad Bryant