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.
Fast, Reliable Air Duct Cleaning Across Longmont
Longmont duct work has a character all its own, and we know it street by street. If you live in one of the 1950s-70s ranches off Main or a pre-1930 bungalow in Old Town, the ducts in your home were built for a different era of heating and cooling. We clean and we repair, so when a cleaning reveals crushed runs or leaking seams, we can put the system right instead of walking away from it. Call (877) 550-7147 for a free estimate. We answer 24/7.
Why Longmont Homeowners Call Boulder Duct Cleaning for Air Duct Cleaning
Homeowners in Longmont tend to research before they book, and we respect that. What they find is a contractor that arrives with Rotobrush contact-cleaning and Nikro negative-air/HEPA equipment on every job, not a shop vacuum dressed up as a duct rig. We also carry Abatement Technologies tools for jobs that go past routine dust into fine particulate and contamination-level territory. That matters here, where calcareous grit is the everyday problem.
Our technicians have up to 9 years of experience, and the ones who work Longmont learn the local housing patterns by block. Old Town and the Historic West Side each have their own quirks. We work with and service Honeywell and Aprilaire whole-home filtration systems, so we understand the full air path rather than just the duct runs. We clean and we repair, which means the structural problems a cleaning uncovers get addressed. Call (877) 550-7147 and we’ll set up a free estimate. Fast dispatch from 7am to 7pm, Sunday through Friday.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
HVAC Duct Cleaning in Longmont
HVAC Duct Cleaning in Longmont starts with understanding what’s actually in the system, and in this city that’s usually fine mineral grit rather than the pet hair or mold that dominate duct complaints in humid markets. Longmont sits at the front edge of the Denver-Julesburg Basin, and its clay-rich Front Range soil means spring dust storms and dry winter winds drive calcareous grit into return ducts in a way coastal cities never see. Add the 1950s-70s ranches still on original galvanized trunk systems, and most jobs here are as much about grit volume and leaky taped seams as biological growth. A full-system HVAC duct cleaning in Longmont typically runs $450 to $900 depending on system size, number of runs and whether sealing work is needed. The written estimate sets the final price.
What a Full-System Clean Actually Involves
We set up negative pressure with HEPA filtration so the dust leaves the house instead of drifting through it. Then we agitate and source-remove along both supply and return ducts, using camera inspection to find what registers can’t show you. The before-and-after photos of your own ducts are yours to keep.
When Longmont Homes Need It Most
After a renovation, a move-in, or when a blower motor starts running hot and far rooms push weak airflow despite a clean filter. Those are the moments a camera inspection tends to pay for itself.
Vent Cleaning in Longmont
Vent Cleaning in Longmont often turns up problems that a surface wipe never touches, especially in the older core where panned-joist returns and undersized rigid ducts are common. Wiping registers and calling it done leaves the mineral grit packed along the original galvanized trunk and those panned returns. We use source removal and agitation tools to lift that caked load, then verify with camera inspection. Expect a typical vent and return cleaning in Longmont to run $350 to $750, with the written estimate locking the price before we start.
Register Wipes Versus Real Vent Cleaning
A rag on a register tells you nothing about the duct behind it. What matters is whether the trunk line is holding pressure and whether the seams are sealed. We check both.
Supply and Return Ducts Treated Separately
Supply and return runs collect different loads, and in Longmont the returns carry the heavier grit. We clean each with the right approach rather than treating the whole system as one pass.
Trusted Brands We Service in Longmont
We work with and service Honeywell and Aprilaire whole-home air filtration systems, which means we understand how the filter, the ductwork and the air handler work as one system. We also use Rotobrush contact-cleaning and Nikro negative-air equipment, with Abatement Technologies tools on hand for jobs that need more than routine dust removal. We don’t stock parts on trucks, so if your system needs a specific component we’ll tell you honestly what’s involved and get you scheduled for fast turnaround. Guardsman protective treatments are part of the full-service scope when they make sense for your system.
Common Air Duct Cleaning Problems We See in Longmont Homes
- Grit packed along original galvanized trunks. Longmont’s Basin-edge dust storms and dry winter winds push fine calcareous mineral grit into return ducts year after year. A register wipe leaves it all in place.
- Crushed or disconnected flex runs in 1950s-70s ranches. Skipping camera inspection means these never get found. When a blower runs hot and far rooms lose airflow, a crushed run is often why.
- Leaky taped seams on old trunk lines. Decades of tape and clay-soil foundation movement leave seams that bleed pressure. Cleaning without resealing won’t hold the result.
- Panned-joist returns in Old Town bungalows. Pre-1930 homes here frequently have panned returns and undersized rigid ducts. They need sealing before any cleaning benefit sticks.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning in Longmont, CO
We give whole-system ranges, not per-vent teaser prices. A typical residential air duct cleaning in Longmont runs $450 to $900, with the low end for a smaller single-story ranch and the high end for larger two-story homes with more runs. Add $150 to $400 if camera inspection reveals crushed or disconnected runs that need repair, and another $100 to $300 for seam and air-handler sealing work. Commercial duct cleaning is priced per job after a walkthrough. One flat price per system is agreed before work starts, and the written estimate sets the final price. Call (877) 550-7147 for a free estimate.
We Also Serve Cities Near Longmont
If you’re just outside Longmont, we can help. We also serve Boulder, Platteville, Thornton and Westminster. The same equipment and process come with us, and the same written estimate applies. Call (877) 550-7147 to book your free estimate. Fast dispatch from 7am to 7pm, Sunday through Friday.
Serving Longmont, CO – Our Local Coverage Area
We serve Longmont 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 in Longmont
Longmont sits at the front edge of the Denver-Julesburg Basin, where spring dust storms and dry winter winds carry fine calcareous mineral grit into return ducts. The dry climate also limits the moisture that mold needs, so grit dominates here rather than biological growth. Call (877) 550-7147 for an exact quote. Estimates are free.
A camera inspection usually reveals a crushed or disconnected flex run and decades of fine mineral dust caked along the original galvanized trunk. A qualified local pro sets up negative pressure with HEPA filtration, agitates and source-removes both supply and return ducts, then reseals leaking seams. Call (877) 550-7147 for an exact quote.
Yes. Pre-1930 homes in these districts often have panned-joist returns and undersized rigid ducts, so sealing comes before cleaning can hold. Clay soil shifting foundations adds seam leaks a technician learns to expect block by block. Call (877) 550-7147 for a free estimate.
The cottonwood seed storm coats intake screens and sends fluff into returns and outdoor condensers, so late spring is a natural time to check the system. Cleaning after the storm clears removes what settled in. Call (877) 550-7147 to schedule a free estimate.
That general finding is worth taking seriously in Longmont, where mineral grit loads return ducts and leaky seams pull unfiltered air into the system. Sealing and a full-system clean address the two paths that matter most. Call (877) 550-7147 for an exact quote.
Get Your Free Air Duct Cleaning Estimate in Longmont
If your Longmont home is showing weak airflow, gritty registers or a blower that runs hot, a camera inspection and full-system clean are the place to start. We clean and we repair, and the written estimate sets the price before any work begins. Call (877) 550-7147 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Boulder Duct Cleaning.