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.
Why Longmont Homeowners Choose Carrier Air Duct Cleaning
We provide independent Carrier air duct cleaning, repair, and airflow service in Longmont, CO. What makes our Carrier work different is that we size, clean, and seal duct systems against the airflow and static-pressure specs Carrier publishes for each air handler and condenser pairing, not against a generic rule of thumb. We are not affiliated with, authorized by, or endorsed by Carrier, so every recommendation stays tied to what your installed system and its ductwork actually show on inspection. Call (866) 361-9658 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Carrier systems are engineered around a specific external static pressure. Performance series air handlers, Comfort series 58-series furnaces, and Infinity variable-speed equipment with Greenspeed intelligence all expect a certain volume of air moving through a certain duct path. Change either side and the equipment pays for it. That’s why Carrier owners who’ve watched their system run hot, short-cycle, or ice a coil often find the answer isn’t in the equipment at all. It’s in the ducts feeding it.
Longmont adds its own pressures. Front Range high-plains dust and cottonwood pollen seasons load return-air systems harder than in wetter or higher-elevation Colorado cities. Much of the housing stock went up during the 1990s – 2000s tech-boom subdivisions where flex-duct runs and builder-grade filters are now 20+ years old. Those return plenums pull in fine reddish-brown grit and cottonwood fluff each spring. On the west side, foothills wind corridors and open farmland push intake grit into plenums that never shows up in newer, tighter Denver suburbs farther from ag land.
Why Trust Duct Cleaning Longmont for Your Carrier Air Duct Cleaning?
Our technicians have up to 10 years of experience with Carrier air-side equipment. That tenure matters in a specific way: it means they’ve seen how Performance series blowers load with dust, how Infinity variable-speed systems behave during long low-stage cycles, and how 58-series furnaces respond when return air is restricted. Diagnosis starts from Carrier’s own airflow and static-pressure behavior for your equipment pairing, not from a checklist.
We work warranty-safe. Nothing about cleaning ducts, sealing plenums, or clearing a dust-caked blower wheel should void a Carrier warranty, and we treat it that way. We use Carrier OEM filters and approved coil and blower components where fit or controls matter. For duct hardware, mastic, flex, and insulation we use quality aftermarket materials, since none of that is brand-bound. Your Carrier equipment stays within its designed operating envelope.
Contact-and-capture cleaning is how we actually remove debris. Rotobrush brush-agitation systems physically dislodge material from duct walls, and Nikro HEPA-vacuum extraction captures it at the source. Displacing dust into the airstream and calling it cleaning isn’t part of the process. When contamination goes beyond routine dust, Abatement Technologies air-filtration equipment handles the job. That’s the same category of gear used in professional remediation work, and it matters when a Longmont attic turns up mold, renovation fallout, or post-remediation clearance cleaning.
We’re also authorized to supply and install Honeywell and Aprilaire IAQ products. Carrier owners who want to move from clean ducts to better air can do that in a single service call. Call (866) 361-9658 for a free estimate.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Carrier Air Duct Cleaning Problems We Fix in Longmont
Carrier equipment is reliable. What goes wrong usually isn’t the equipment failing on its own – it’s the air path around it. Here are the patterns we diagnose most often in Longmont homes.
- Dust-loaded blower wheels on Performance and Comfort series air handlers. Factory PSC or constant-torque blowers pull return air through undersized or crushed flex runs, so the blower wheel progressively loads with dust. The symptom shows up as reduced airflow, a coil that ices, or a high-limit switch tripping under load. Cleaning the wheel and correcting the return path restores the airflow the equipment was designed for.
- Matted evaporator coil faces on Infinity variable-speed systems. Infinity equipment with Greenspeed intelligence runs long, low-stage cycles. That’s efficient and quiet, but fine dust and lint settle and mat on the evaporator coil face during those extended run times. Airflow drops quietly, often before any fault code appears. Coil cleaning with careful inspection is the fix, and it’s why Infinity owners benefit from more attentive duct service than single-stage systems typically need.
- Dust buildup on primary heat exchanger cells in 58-series furnaces. Carrier 58-series furnaces with a condensate-prone secondary heat exchanger collect dust on the primary cells. Combined with a restrictive return, that raises temperature rise and shortens heat exchanger life. Getting the temperature rise back into Carrier’s specified range usually requires cleaning the primary section and resealing the return.
- Loose slip-and-drive joints and failing plenum tape. Factory slip-and-drive joints and taped plenum connections on Carrier air handlers loosen in dry Colorado air. The tape cracks, the joints open, and conditioned air leaks into the attic while supply static pressure climbs. Mastic-sealing the plenum and slip joints is the correct repair, and it’s usually the difference between a system that meets its designed static and one that doesn’t.
- Crushed or disconnected flex runs during installation. When return ducts were tapped too small or a flex run got crushed during original installation, no amount of cleaning will resolve the airflow problem. Video inspection and static-pressure readings confirm it. Then we reseal and resize the return path so the Carrier system delivers what it was built to deliver.
Carrier Parts & Our Repair-vs-Replace Approach
We use Carrier OEM filters and approved coil and blower components where fit or controls matter, because wrong-fit parts on a Carrier system create more problems than they solve. Duct hardware isn’t brand-bound, so we use quality aftermarket duct, mastic, flex, and insulation there. We don’t stock Carrier parts, and we’re not a Carrier dealer. We repair, install, and service Carrier equipment with quality parts that fit it.
The repair-vs-replace call isn’t a sales decision. When a coil or heat exchanger is compromised, we weigh the repair cost against the age and efficiency of the Carrier unit and say plainly when replacement makes more sense than patching. No pressure, one flat price per system agreed before work starts. Call (866) 361-9658 for a free estimate.
Our Carrier Service Process – Step by Step
- 1
Diagnosis. We start with static-pressure readings on your Carrier air handler and video inspection of the return and supply runs. That tells us what the duct system is actually doing versus what Carrier spec’d for your equipment pairing. We photograph before-and-after so you see what we found and what we fixed.
- 2
Cleaning and repair. Rotobrush brush-agitation paired with Nikro HEPA extraction removes the debris. We repair what we find – crushed flex, loose slip joints, failed plenum tape, undersized return taps. If contamination goes beyond dust, Abatement Technologies air-filtration equipment is deployed.
- 3
Coil and blower service. Evaporator coil cleaning, blower wheel cleaning, and plenum resealing happen together. On Infinity variable-speed systems and 58-series furnaces, we verify temperature rise and airflow are back in Carrier’s specified range after cleaning.
- 4
Test and document. Post-cleaning static pressure and airflow readings confirm the system is meeting Carrier’s design parameters. If a Honeywell or Aprilaire IAQ upgrade makes sense for your Longmont home, we install it and document the whole visit.
See the difference
Before
After
Before
After
Before
AfterCarrier Products We Service & Install in Longmont
We service the Carrier air-side equipment Longmont homes actually have. Performance series air handlers, Comfort series 80% and 90%+ gas furnaces in the 58-series, Infinity series variable-speed systems with Greenspeed intelligence, and 24ANB and 24ACC-style outdoor condensers paired with matching indoor coils all fall within our scope. We install Honeywell and Aprilaire filtration and IAQ products alongside, so clean ducts can become better air in a single visit. We clean, repair, and seal the duct systems that feed those installations. If your Carrier equipment is in Longmont, we can diagnose and correct the air path it depends on.
A Carrier Performance air handler in a Longmont attic often shows up with weak supply airflow and a dust-caked blower wheel because return ducts were tapped too small or a flex run got crushed during installation. A qualified tech typically confirms the restriction with static-pressure readings and a video inspection, cleans the blower and evaporator coil, then reseals and resizes the return path so the system runs at its designed airflow. The same visit usually turns up leaky plenum tape and loose slip joints that get mastic-sealed before the attic air is pulled back into the airstream.
We Also Service These Brands
Carrier is one equipment line among several we handle. We also service Lennox and Trane duct systems and equipment. Same process, same contractor-grade tools, same flat price per system. Multi-brand capability means a Longmont home with mixed equipment, or a property manager maintaining several different installations, can work with a single contractor instead of coordinating separate crews. From cleaning to filtration, one company diagnoses, cleans, repairs, and upgrades the full duct and ventilation system.
FAQs – Carrier Air Duct Cleaning Service in Longmont
No. We are an independent Carrier service provider, not affiliated with, authorized by, or endorsed by Carrier. That independence is why recommendations stay tied to what your installed system and its ductwork show on inspection. We read Carrier’s airflow and static-pressure specs and size work to those specs. We don’t claim manufacturer authorization, and we don’t stock, carry, or order OEM Carrier parts as a dealer.
Yes. We use Carrier OEM filters and approved coil and blower components where fit or controls matter, and quality aftermarket duct, mastic, flex, and insulation where brand doesn’t apply. Duct hardware isn’t brand-bound, so quality aftermarket materials on the air path are just as correct as OEM. Call (866) 361-9658 for a free estimate – estimates are free.
Most Carrier air duct cleaning jobs take a few hours, depending on system size and whether repair work is involved. Coil cleaning, blower service, and plenum resealing add time. We give you a written estimate up front with one flat price per system agreed before work starts, so timing and cost are both clear before anyone starts. Same-day service is often possible.
We cover the air-side equipment Carrier puts in Longmont homes: Performance series air handlers, Comfort series 58-series gas furnaces, Infinity variable-speed systems with Greenspeed intelligence, and 24ANB/24ACC-style outdoor condensers paired with matching indoor coils. We also install Honeywell and Aprilaire filtration and IAQ products on the same call.
No. Cleaning ducts, sealing plenums, and clearing a dust-caked blower wheel should not void a Carrier warranty. We work warranty-safe using Carrier OEM filters and approved components where they matter. If you have specific warranty terms in writing, we’re glad to work within them.
Carrier air duct cleaning in Longmont is quoted per system by written estimate, not per vent, so we won’t quote a teaser figure. The final price is set by the estimate after we inspect your system. Cheap quotes often skip the plenum work or the coil cleaning that keeps a Carrier system running properly. Call (866) 361-9658 for an exact quote – estimates are free.
Often, yes. Infinity variable-speed systems with Greenspeed intelligence run long, low-stage cycles, and that extended run time lets fine dust and lint settle and mat on the evaporator coil face. Airflow cuts back quietly before any fault code shows. A single-stage unit that runs shorter, higher-stage cycles doesn’t accumulate dust as evenly, but it can still mask a restricted return because it doesn’t meter airflow as precisely. For Infinity owners in Longmont, more attentive duct and coil service pays off. Call (866) 361-9658 for a free estimate.
A whistle almost always means static pressure is too high, not that the cleaning went wrong. If the return path is still restricted after a cleaning – undersized taps, a crushed flex run, a clogged filter grille – the blower pulls harder and the ductwork whistles. The correct response is static-pressure readings and a video inspection to find the restriction. A qualified tech reseals and resizes the return path so the Carrier system runs at its designed airflow, and the whistle usually stops.
Yes. On Carrier 58-series furnaces with a condensate-prone secondary heat exchanger, dust collects on the primary heat exchanger cells. Combined with a restrictive return, that raises temperature rise and pushes the high-limit switch to trip. Cleaning the primary section, correcting the airflow, and resealing the return path usually brings temperature rise back into Carrier’s specified range.
Yes. Longmont’s semi-arid high-plains climate dries out factory slip-and-drive joints and plenum tape until they crack. Once they open, conditioned air leaks into the attic and supply static pressure climbs. Mastic sealing is a low-cost repair that protects the airflow your Carrier equipment needs. The dry climate also limits mold problems common in humid markets, so duct sealing here is mostly about airflow and efficiency rather than moisture.
A filter change handles what’s still in the airstream. It won’t clean the coil face if dust and lint have already matted there. If you’re seeing reduced airflow, ice on the coil, or higher-than-normal energy use on an Infinity variable-speed system, the coil likely needs cleaning. Static-pressure readings and a visual inspection confirm it. Call (866) 361-9658 for a free estimate.
Book Your Carrier Service in Longmont, CO
One company handles your full Carrier duct system: cleaning, repair, evaporator coil cleaning, duct sealing, and IAQ upgrades. Contractor-grade equipment, one flat price per system agreed before work starts, and before-and-after photos of your own ducts. Licensed and insured. Call (866) 361-9658 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Duct Cleaning Longmont.