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.
Air Duct Cleaning Company in Thornton, CO
Thornton homeowners usually call us about air duct repair, and that makes sense once you’ve seen what’s inside these houses. The city grew fast in the 1990s and 2000s, so whole subdivisions are tract homes now old enough that original ductwork is filled with drywall dust and sawdust from the build-out, and builder-grade flexible duct has had two decades of hot summers and cold winters pushing air through it. Whether you need a run reconnected, a crushed section replaced, or a full system tidied up, call (877) 550-7147 for a free estimate. We clean and we repair.
Why Thornton Homes Are Different
Most of Thornton’s housing is 1990s and 2000s tract construction, single-family and townhomes, built with flexible ductwork and builder-grade materials. Many of those systems were never sealed well to begin with. Combine that with unfinished basements that leave duct runs exposed and easy to inspect, and you get a city where we can see the problem instead of guessing at it.
The climate does the rest of the work. Thornton sits in a semi-arid belt with cold winters and hot summers, so forced-air heating and cooling run hard for most of the year, circulating dust, pollen and dry particles through the same runs again and again. Spring winds and the agricultural ground around the metro add outdoor dust that finds its way in. In ZIP 80241 especially, a lot of homeowners are the original owners who have never had their ducts cleaned, and technicians working in Thornton regularly find original construction dust still coating duct interiors after all this time.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Thornton Services
Two services come up more than any other when Thornton homeowners call: the clean-out itself, and the repair work that makes a clean-out hold.
Air Duct Cleaning in Thornton
In a typical Thornton home, that first cleaning is really a construction-dust removal job. We run an air duct cleaning with a Rotobrush contact-cleaning system that scrubs the duct walls rather than just pulling air past them, and a Nikro negative-air machine holding the space under pressure so loosened debris travels out instead of settling back into the rooms. Flexible runs behind finished basement ceilings get special attention, since that builder-grade material traps fine drywall powder. For more on the process, see Boulder Duct Cleaning.

Dryer Vent Cleaning in Thornton
Dryer vent cleaning is a fire-safety service, not a convenience add-on. Lint packs into the length of the vent, and in a house running laundry for a family it builds faster than most people expect. We treat dryer vent cleaning as its own job with its own equipment, clearing the full run and verifying airflow at the outside hood. If your dryer takes two cycles to finish a load or the exterior flap doesn’t move much, that’s the signal to book it.

Air Duct Repair in Thornton
Air duct repair in Thornton usually starts with the same discovery: original flexible duct from the 1990s building boom, still in place, often poorly sealed and now crushed, torn, or separated at joints. The semi-arid climate makes it worse. Year after year of hard heating and cooling cycling works those connections loose, and once a joint opens in an unfinished basement, conditioned air is going into the crawlspace instead of your rooms. Repair is how we fix what cleaning alone can’t. Our Air Duct Repair work covers reconnecting, resealing and replacing runs so the system actually delivers the air it’s moving.
Ductwork Repair
Signs you need it
You notice rooms that never get warm or cool the way the rest of the house does, a whistling or rattling at the registers, or visible separation and crushed sections on the exposed runs in an unfinished basement.
What it costs in Thornton
Targeted ductwork repair typically runs $150 to $450 per section in Thornton, with the written estimate setting the final price.
How we do it
We inspect the accessible runs, identify gaps, torn flex and disconnected joints, then reseal or rejoin them with proper mastic and tape rated for ductwork so the repair holds through full heating and cooling cycles.
Air Duct Replacement
Signs you need it
When the flexible duct is torn through, sagging between supports, or coated inside with debris that won’t come clean, replacement makes more sense than patching.
What it costs in Thornton
Replacing a duct run typically runs $400 to $1,200 in Thornton depending on length and access, confirmed by written estimate before anything starts.
How we do it
We pull the failed run, install new duct sized to the register it serves, seal every joint, and check airflow at the register before we call it done.
What Air Duct Repair Costs in Thornton
| Item | Typical range in Thornton |
|---|---|
| Targeted ductwork repair (per section) | $150 – $450 |
| Air duct replacement (per run) | $400 – $1,200 |
| Full system reseal and reconnection | $600 – $1,500 |
Can you repair ductwork without replacing the whole system?
Yes. Most Thornton repair work is targeted: we fix the specific joints, tears or crushed sections we find and leave sound duct alone. Whole-system replacement only comes up when the flexible duct has failed throughout.
Will repairing my ducts actually lower my energy bill?
Sealing disconnected or torn runs keeps conditioned air in the house instead of losing it to the basement or crawlspace, so your furnace and AC stop working against leaks. The improvement is real but varies by how much was leaking.
Brands We Service in Thornton
We work on Honeywell and Aprilaire whole-home air filtration systems and have the Abatement Technologies equipment for contamination-level jobs, with Guardsman protective treatments available as part of the full scope. Parts are sourced per job, so turnaround depends on the specific component. See our brands for the full list.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Thornton, CO
| Service | Typical range in Thornton |
|---|---|
| Air duct cleaning (whole system) | $350 – $700 |
| Dryer vent cleaning | $120 – $250 |
| Targeted ductwork repair (per section) | $150 – $450 |
| Air duct replacement (per run) | $400 – $1,200 |
| Full system reseal and reconnection | $600 – $1,500 |
Two things push price up in Thornton: how many runs need attention, and whether an unfinished basement or finished ceiling makes them easy or difficult to reach. We agree one flat price per system before work starts, so the number on the estimate is the number you pay.
Neighborhoods We Serve in Thornton
We work throughout Thornton, from the older tract subdivisions off 120th Avenue to the townhome clusters near the Eastlake area and the newer builds on the north side of the city. Homes with exposed duct runs in unfinished basements are quick to assess; finished-ceiling work takes longer. Response across Thornton is generally fast, and we’ll give you a realistic window when you call. Neighborhoods we serve include:
- Eastlake
- Original Thornton
- Northglenn border neighborhoods
- Thornton Town Center area
- Woodglen
Service Area – Cities Near Thornton
Thornton sits in the middle of the north metro, so we regularly work the surrounding cities too. We cover Westminster, CO to the southwest, Arvada, CO and Lakewood, CO to the west and southwest, and Boulder, CO to the northwest. If you’re just outside Thornton’s city limits, call and we’ll confirm coverage for your address.
Serving Thornton, CO – Our Local Coverage Area
We serve Thornton and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning Company in Thornton
Usually within a few days for standard work, and faster for repair calls where a run has come loose. Call (877) 550-7147. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Most repair work doesn’t require a permit, but replacing duct runs or making changes to the system can. Check with Thornton’s building department, and check your HOA rules if you live in a townhome community before work starts.
We cover all of Thornton, including ZIP 80241 and the rest of the city. If you’re on the edge near Northglenn or Westminster, we can confirm coverage when you call.
If your ducts are leaking, crushed or filled with dust from decades of hard heating and cooling, call (877) 550-7147 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. One flat price per system, agreed before work starts, with the written estimate setting the final number.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Thornton 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."
- Megan Parker"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Marisol Castillo"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."
- Eric Pruitt