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 Duct Cleaning Cost in Thornton?
Air duct cleaning in Thornton typically costs $300 to $700 for a standard single-family home, with most jobs landing around $450. Larger homes with multiple HVAC systems, heavy contamination, or ductwork that needs repair run $700 to $1,200. The exact price is set per job by a written estimate, and we provide that estimate for free.
We run professional-grade equipment, not a shop-vac and a coupon. That’s the difference between a cleaning that pulls debris out of your system and one that just stirs it around. Our technicians have up to 12 years of experience, we’re licensed and insured, and we answer 24/7 at (888) 495-2236.
Key Takeaways
- Most Thornton homes fall in the $300 to $700 range for a full air duct cleaning.
- Vent count, system size, and contamination level are the biggest price drivers.
- Dryer vent cleaning is a separate line item, usually $120 to $250.
- Duct repair discovered during a cleaning can often be handled the same visit, so you’re not booking a second contractor.
- Estimates are free and the written estimate always sets the final price.
Air Duct Cleaning Cost Breakdown (2026)
Here’s how a Thornton duct cleaning job breaks down by line item. These are typical estimated ranges for the local market, not a quote for your specific home.
| Line Item | Typical Range | What It Covers |
|---|---|---|
| Base air duct cleaning (up to 10 vents) | $300 – $475 | Supply and return lines, main trunk, registers and grilles |
| Additional vents (beyond 10) | $20 – $35 per vent | Each extra register or return |
| Second HVAC system | $150 – $300 | Full cleaning on a second furnace or air handler |
| Heavy contamination / post-renovation | $100 – $250 added | Drywall dust, construction debris, or long-neglected systems |
| Dryer vent cleaning | $120 – $250 | Full lint removal from dryer to exterior vent |
| Air duct repair | $150 – $600+ | Sealing, reconnecting, or replacing damaged duct sections |
A standard Thornton ranch or two-story with a single furnace and around 10 vents sits right at the $300 to $475 mark. Add a second system, a finished basement with extra runs, or a recent remodel that sent drywall dust through the returns, and you’re in the $500 to $800 range. Homes that haven’t had ducts cleaned in many years often need more time, and time is what you’re paying for.
The number that gets quoted over the phone is rarely the number on the invoice from cut-rate operators. We’d rather give you a range up front and then put the real figure in writing after we’ve looked at your system. Free estimates mean you can compare before you commit.
What Affects Air Duct Cleaning Pricing in Thornton
No two homes in Thornton have the same duct system, and pricing reflects that. Here’s what moves the number up or down.
- Number of vents and returns. A 1,400-square-foot ranch with 8 vents costs less to clean than a 3,000-square-foot two-story with 18. Each additional register adds time and equipment work.
- Number of HVAC systems. Homes with a second furnace or a mini-split setup with separate ducting need each system cleaned individually. That’s the single biggest jump in price for larger Thornton properties.
- Contamination level. New-home buyers inheriting an unknown HVAC history, or anyone who just finished a basement build, often find drywall dust and construction debris packed into the returns. That takes longer to extract and may call for negative-air containment to keep it from spreading through the house.
- Access and layout. Ductwork buried behind finished ceilings, tight mechanical closets, or long runs through a crawlspace all add labor. Older Thornton homes with retrofitted ductwork sometimes need more careful handling than newer construction.
- Duct condition. If we find disconnected joints, crushed flex duct, or torn insulation, that’s a repair, not just a cleaning. We offer air duct repair as a named service specifically so we can fix what we find on the same visit.
- Existing air-quality equipment. Homes with a Honeywell or Aprilaire whole-home system need a crew that knows how those components integrate. We service and are familiar with both, so the cleaning works with your existing setup instead of conflicting with it.
How Much Does Dryer Vent Cleaning Cost in Thornton?
Dryer vent cleaning in Thornton typically costs $120 to $250, depending on vent length, routing, and how much lint has built up. A short, straight run to an exterior wall is at the low end. A long run through a finished ceiling, or a roof-terminated vent, lands higher.
Dryer vents are a fire risk, not a footnote. Lint accumulation is a leading cause of residential house fires, and it’s the kind of thing that gets ignored until it becomes a problem. We treat dryer vent cleaning with the same seriousness as the duct work itself, and it’s part of our standard service lineup rather than an upsell tacked onto the invoice.
If your dryer is taking longer to dry a load, or you notice lint collecting behind the unit, that’s a sign the vent needs attention. It’s one of the cheaper maintenance items on a home, and it’s worth doing on a schedule.
How Much Does Air Duct Repair Cost in Thornton?
Air duct repair in Thornton usually runs $150 to $600, and it depends entirely on what’s wrong. A disconnected joint that needs resealing is at the low end. A collapsed flex run that has to be replaced, or a section of ductwork that needs rebuilding, lands higher.
We also repair what we find. That matters because most duct cleaners stop at cleaning. When they discover a disconnected return dumping air into a crawlspace, they hand you a phone number for someone else. We can address the repair as part of the same visit, which means one appointment and one written estimate rather than two contractors and two schedules.
Repair is also where the value of a real cleaning shows up. A cleaning without repair just re-cleans a system that’s still leaking. If your energy bills have crept up and rooms don’t heat or cool evenly, damaged ductwork is often the reason. If you want to understand what a full cleaning involves before you book, our air duct cleaning page walks through the process step by step.
What Affects Air Duct Cleaning Pricing in Thornton
Beyond the basics above, a few more things shape the number on a Thornton estimate.
- Home age and construction type. Thornton has a wide mix of housing stock. Older homes with original ductwork sometimes have smaller or oddly routed runs, and newer builds can have tight mechanical rooms. Both affect how long a cleaning takes.
- Pets and occupants. Homes with multiple pets or occupants with allergies often need more thorough work on the returns. It’s not a different service, just more time and attention to the areas where debris collects.
- Whether you bundle services. Cleaning the ducts and the dryer vent in one visit is more efficient than two separate appointments. It doesn’t change the per-service rate, but it saves you a return visit.
- Air-quality accessories. If you have a Honeywell or Aprilaire system, we check how it ties into the ductwork before we start. Your Honeywell system deserves a compatible crew, and getting that right the first time avoids callbacks.
What Drives the Price Up, and What Keeps It Down
Two homes of the same square footage can get different estimates, and it’s usually for one of a few reasons.
What pushes the price up: a second HVAC system, more than 10 vents, heavy contamination from a remodel, damaged ductwork that needs repair, or a system that hasn’t been cleaned in many years. None of these are surprises to us. They’re the things we look for during the estimate.
What keeps it down: a single system with a straightforward layout, regular maintenance, and no repair work needed. If your ducts are in good shape and the cleaning is routine, you’ll land closer to the $300 end of the range.
The honest answer is that the cheapest cleaning isn’t always the least expensive. A low bid that skips the containment setup, runs a shop-vac through the registers, and doesn’t address a disconnected joint leaves you with the same dirty system and a second bill. Professional-grade equipment, not a shop-vac and a coupon, is what separates a real cleaning from a surface pass.
How to Save on Air Duct Cleaning
There’s no coupon code needed here. A few practical moves can keep the price where it belongs.
- Get the estimate in writing before work starts. The written estimate sets the final price. If a number changes after the work begins, that should have been in the estimate.
- Bundle the dryer vent with the duct cleaning. Two services in one visit means no second appointment and no second scheduling headache.
- Address repairs now, not later. A leaking duct that gets sealed during a cleaning costs less than a collapsed run that has to be rebuilt after it fails. Fixing what we find on the same visit avoids a second call-out.
- Know your vent count. Count your registers and returns before you call. It helps you compare estimates apples to apples, and it gives us a better starting range over the phone.
- Ask about your air-quality system. If you have a Honeywell or Aprilaire system, mention it when you book. Knowing the setup up front means the crew arrives prepared rather than working it out on site.
Call (888) 495-2236 for a free estimate. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
How Long Does Air Duct Cleaning Take in Thornton?
A typical Thornton duct cleaning takes 2 to 4 hours for a single-system home. Larger homes, homes with a second HVAC system, or jobs with heavy contamination run 4 to 6 hours.
The time is spent on setup, containment, cleaning each run, and checking the system before we leave. We use Abatement Technologies negative-air and HEPA-filtration equipment to keep debris contained during the work. That’s the kind of contaminant control usually saved for remediation jobs, and it’s standard on our residential cleanings. It also means the job takes a little longer than a quick pass with a shop-vac, which is exactly the point.
Our duct cleaning Thornton page covers the full process and what to expect on the day of service.
Is It Cheaper to Repair or Replace Ductwork?
Repair is almost always cheaper than replacement. A targeted repair runs $150 to $600, while replacing a substantial portion of a duct system can run into the thousands. Replacement only makes sense when the ductwork is beyond repair, which is rare.
Most of what we find is fixable. Disconnected joints, crushed flex sections, and torn insulation are common in Thornton homes, and all of them can be repaired rather than replaced. The catch is knowing what you’re dealing with, which is why we scope the ductwork during the cleaning rather than guessing over the phone. If you want the full picture on what a cleaning includes, start with our main duct cleaning page linked above.
Can You Clean Ducts the Same Day?
Same-day service is often available in Thornton, depending on the schedule and the size of the job. Call early in the day and we’ll tell you what’s open.
We answer 24/7 and dispatch from 7am to 7pm, Sunday through Friday. We’re closed Saturday, so a call on Saturday gets booked into the next opening. When you call, have your square footage, vent count, and any air-quality system details ready. It helps us give you a more accurate range and get you on the schedule faster. We’re licensed and insured, and the estimate is free.
FAQs – Air Duct Cleaning Cost
How much does air duct cleaning cost in Thornton?
Air duct cleaning in Thornton typically costs $300 to $700 for a standard single-family home, with most jobs around $450. Larger homes with two HVAC systems, heavy contamination, or needed repairs run $700 to $1,200. The written estimate sets the final price. Call (888) 495-2236 for a free quote.
Is $99 duct cleaning a real price?
A $99 duct cleaning is almost never the full job. That price typically covers a partial cleaning, a few vents, or a discount that gets adjusted upward once the crew is on site. A full cleaning of a Thornton home with real equipment and containment runs $300 to $700. Ask for a written estimate with the vent count and scope spelled out before anyone starts work.
How often should ducts be cleaned in Thornton?
Most homes in Thornton benefit from duct cleaning every 3 to 5 years. Homes with pets, allergy sufferers, recent renovations, or a new-home purchase with unknown HVAC history often need it sooner. Dryer vents are worth checking annually. If you’re unsure, a free estimate will tell you where you stand.
Does duct cleaning include the dryer vent?
No, dryer vent cleaning is a separate line item, typically $120 to $250 in Thornton. We offer it as a distinct service because it addresses a different problem. Bundling both into one visit is more efficient than booking them separately. Call (888) 495-2236 to schedule both together.
Do you charge extra for duct repair found during cleaning?
Duct repair is priced separately, usually $150 to $600 depending on the scope. We quote the repair in writing before any work begins, so there are no surprises. Because we offer repair as a named service, we can often handle it on the same visit as the cleaning, saving you a second appointment. Call for a free estimate.
Written by the team at Duct Cleaning Thornton.
Pricing reflects the Thornton market as of 2026. Duct Cleaning Thornton offers free estimates – call (888) 495-2236. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. We’re closed Saturday.
What Our Customers Say
"Fair price and thorough work. They ran about an hour and a half past the estimated finish time, so don't schedule anything tight after."
- Tracy Rhodes"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."
- Ryan Reed"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Carlos Torres