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 Colorado Springs Homeowners Choose Lennox Air Duct Cleaning
We provide independent Lennox air duct cleaning, coil cleaning, and duct sealing service in Colorado Springs. What makes our Lennox work different is diagnostic: we match cleaning and sealing to how Merit, Elite, and Dave Lennox Signature equipment actually moves and returns air, instead of treating ductwork as brand-agnostic housekeeping. We’re an independent provider. We are not affiliated with, authorized by, or endorsed by Lennox, and we don’t sell their equipment or act as a dealer.
That independence is the point. A Lennox variable-speed furnace, an A-shaped cased coil, and a Signature cabinet plenum don’t behave like a builder-grade system, and cleaning them correctly starts with reading how they were installed. We bring Rotobrush and Nikro professional equipment to that work. Our technicians have up to 9 years of experience. If you’ve noticed airflow problems in your Colorado Springs home, call (866) 293-3740 for a free estimate.
Why Trust Flagship Air Duct Cleaning for Your Lennox Air Duct Cleaning?
We know these systems from the duct side, which is where most airflow complaints actually live. A Lennox Merit furnace with a standard PSC blower and a Signature variable-speed unit with an ECM assembly create completely different static pressure profiles, and the cleaning approach has to respect that difference. We work with your existing Honeywell or Aprilaire filtration and controls rather than pulling components out of the loop, and we’re familiar with Abatement Technologies and Guardsman indoor air quality equipment when it’s part of the setup.
Warranty-safe practice matters too. We clean coils and blower assemblies without disturbing sealed refrigerant circuits, and we use mastic rather than tape on cabinet and plenum connections where the manufacturer’s install instructions call for a permanent seal. We’re honest about what we can and can’t do: if a Lennox system needs refrigerant work, a control board, or a compressor, that’s an HVAC technician’s job, not a duct cleaner’s. We tell you when we’ve hit that line. Everything we quote is a flat price per system agreed before work starts, and you get before-and-after photos of your own ducts when we’re done.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Fix in Colorado Springs
Colorado Springs sits in the path of the Waldo Canyon and Black Forest burn scars. That geography shapes what we find inside Lennox systems here, and it’s why duct cleaning in this city is as much about smoke and ash infiltration as it is about household dust. Here’s what we run into most.
- Loaded variable-speed blower wheels. ECM blower assemblies in Signature and Elite furnaces collect dust on the wheel and hub, and the buildup throws the wheel out of balance. Homeowners notice a blower that seems to run harder than it used to, then a limit trip when airflow falls far enough. Pulling and cleaning the assembly restores both airflow and quiet.
- Fouled A-shaped and slab coils. Cased Lennox coils foul after years of unfiltered bypass around a poorly fitting filter. Capacity drops and the refrigerant circuit starts icing. Coil cleaning in place, or on a pull when the cabinet allows, gets the coil back to its rated face velocity.
- Sagging flex duct off the supply plenum. Flexible runs connected to a Lennox supply plenum sag between hangers, and collars tear where the inner liner meets the boot. The result is pressure imbalance: some rooms get blasted, others barely move air. We repair and reseal the run rather than just cleaning around the failure.
- Dust pulled into the blower section. High-efficiency Lennox furnaces running with a poorly sealed return draw attic or crawlspace dust straight into the cabinet interior and across the secondary heat exchanger. Sealing the return is half the fix; cleaning the cabinet is the other half.
- Ash and ponderosa pollen caked in return grilles. After a fire season and the spring wind, return grilles on the westside and in the foothills above the city load up with fine ash and pollen. The semi-arid high-desert climate at roughly 6,000 feet dries out duct seals faster, so the cracks that let that material in keep widening unless they’re sealed.
The housing stock adds its own wrinkle. In Briargate and along the Powers corridor, 1990s-2000s builder tract homes often still have contractor-grade flex duct that was never cleaned after the original build, packed with drywall dust and construction debris.
Lennox Parts & Our Repair-vs-Replace Approach
We recommend OEM or exact-match quality aftermarket parts for the duct-side components we touch: filters, flex duct, mastic, and vent caps. Nothing gets a generic substitute that changes how a Lennox cabinet seals or how a return pulls. We don’t stock or sell genuine Lennox parts, and we won’t tell you we can order them for you.
The repair-or-replace call is made on measured airflow and visible condition, not on equipment age alone. A 20-year-old Lennox cabinet is often worth cleaning and sealing, especially if the heat exchanger is sound and the cabinet hasn’t corroded. A corroded secondary heat exchanger is a replacement conversation, and we’ll say so plainly rather than clean around a problem that won’t stay fixed.
Here’s how it usually goes on a Signature variable-speed system: a homeowner notices uneven airflow and a blower that seems to work harder than it used to. A technician typically finds a loaded blower wheel, a fouled cased evaporator coil, and leaking return joints near the cabinet. The qualified path is to pull and clean the blower, clean the coil in place or on a pull, then mastic-seal the return and supply connections to restore static pressure and airflow. If that’s the picture at your place, call (866) 293-3740 and we’ll walk through what a cleaning and sealing scope looks like for your system.
Our Lennox Service Process – Step by Step
- 1
Diagnosis. We measure static pressure at the return and supply, check filter fit and bypass, and inspect the blower wheel, cased coil, and every flex connection off the plenum. On a Lennox variable-speed system we note whether the ECM assembly is running at commanded speed or hunting.
- 2
Cleaning and repair. Full system cleaning with Rotobrush and Nikro equipment, coil cleaning matched to the coil type (A-shaped or slab), and repair of any torn flex, failed collar, or open return joint we find. We clean it. If we find damage, we fix it, in the same visit.
- 3
Sealing. Mastic on the cabinet and plenum connections and on return joints, applied where the install calls for a permanent seal. Duct sealing is what holds the gains from cleaning in place through Colorado Springs’ dry spells and monsoon swings.
- 4
Test. We re-measure static pressure and verify airflow at the registers, then photograph the before and after so you can see what changed inside your own ductwork.
- 5
Warranty documentation. You get a written record of the work performed and the condition we found, useful if a Lennox equipment warranty question comes up later. The written estimate you approved before work started sets the final price.
See the difference
Before
After
Before
After
Before
AfterLennox Products We Service & Install in Colorado Springs
We service Lennox Merit Series gas furnaces and 13ACX and 14ACX air conditioners, Elite Series EL and XC furnaces, XC14 and XC16 air conditioners and XP heat pumps, and Dave Lennox Signature Collection SL280V and SLP98V variable-speed furnaces, XC21 and XC25 air conditioners, and XP25 heat pumps. In practice that means cleaning and sealing the duct systems, plenums, and returns connected to them, cleaning their cased evaporator coils, and repairing the flex runs and connections feeding them.
We work on the air side of these systems. We don’t install or repair the refrigerant circuit, the heat exchanger itself, or the controls. What we can do is make sure the ductwork isn’t the reason your Lennox equipment can’t do its job in a Colorado Springs home. Split housing stock here matters: postwar ranches on the central and east side have short, simple runs, while newer north-side builds carry flex systems that sag and trap dust. We approach each one on its own terms.
We Also Service These Brands
We’re multi-brand by design, not dependent on any single manufacturer. If a Colorado Springs home has Trane or Carrier equipment, the duct-side work is the same discipline: measure, clean, repair, seal, verify. We also work alongside Honeywell, Aprilaire, Abatement Technologies, and Guardsman air quality systems so an existing setup keeps working the way it should.
FAQs – Lennox Air Duct Cleaning Service in Colorado Springs
No. We are an independent Lennox service provider and we are not affiliated with, authorized by, or endorsed by Lennox. We don’t sell their equipment or act as a dealer. That independence lets us tell you honestly when a problem belongs with an HVAC technician rather than a duct cleaner. Call (866) 293-3740 with questions about your system.
Yes. We use OEM or exact-match quality aftermarket filters, flex duct, mastic, and vent caps that fit Lennox equipment properly. We don’t carry or order genuine Lennox parts, and we won’t claim otherwise. What we will do is make sure nothing we install changes how your cabinet, plenum, or return seals.
Most Lennox air duct cleaning and coil cleaning jobs in Colorado Springs are scheduled as a single visit, with timing set by the size of the system and how much repair the ductwork needs. We quote per system, not per vent, so the scope is clear before we start. Call (866) 293-3740 for a free estimate and a realistic time frame for your home.
We cover the duct-side work on Merit Series furnaces and air conditioners, Elite Series furnaces, air conditioners and heat pumps, and Dave Lennox Signature Collection variable-speed furnaces, air conditioners and heat pumps. That means cleaning, coil cleaning, duct sealing, and repair of the ductwork connected to those systems. Refrigerant and control work is outside our scope, and we say so up front.
Proper cleaning done without disturbing sealed refrigerant circuits or manufacturer connections doesn’t void a Lennox warranty, and the written record of the work we leave behind helps if a warranty question ever comes up. The risk comes from improper work, which is why we use mastic on permanent-seal connections and stay out of components that aren’t ours to open. Call (866) 293-3740 if you want to talk through your specific setup first.
A blower that’s noisy after a duct cleaning usually has a disturbed or unbalanced blower wheel, or a wheel that was never pulled and cleaned and is now the loudest thing in a system with better airflow everywhere else. On a variable-speed ECM assembly, dust on the wheel and hub causes exactly that. If this happened on your Colorado Springs system, call (866) 293-3740 and we’ll diagnose it. Estimates are free, and we’ll tell you plainly what we find.
Yes. Cased Lennox coils, whether A-shaped or slab, need the cleaning method matched to the coil type and the cabinet configuration, or the fins get bent and the drain pan gets fouled. We clean in place when the cabinet allows and pull when it doesn’t, and we never disturb the sealed refrigerant circuit. If you’re unsure what coil is in your system, call (866) 293-3740 and we’ll take a look.
In Colorado Springs, the local conditions push toward more frequent attention than a generic national recommendation. The city sits in the path of the Waldo Canyon and Black Forest fire burn scars, so post-wildfire smoke and ash infiltration plus the fine red grime of the Front Range wind and dust season load up return systems fast. A westside or foothills home getting repeated smoke events and hail-and-wind storms that drive debris into outdoor intakes often needs a seasonal look, and the blower wheel on a variable-speed system should be checked at the same time. Call (866) 293-3740 and we’ll give you an honest interval for your home and its surroundings. Estimates are free.
Often, yes. Hot and cold rooms on a two-stage or variable-speed Lennox system usually trace back to pressure imbalance from leaking or sagging returns, not to the equipment itself. Duct sealing restores the static pressure the blower needs to deliver air evenly. A homeowner with a Dave Lennox Signature variable-speed furnace noticing uneven airflow might also have a loaded blower wheel or a fouled cased coil contributing. Call (866) 293-3740 for a free estimate and we’ll measure before we recommend anything.
We price per system, not per vent, with a flat price agreed before work starts and a written estimate that sets the final price. We don’t quote a per-vent figure or a teaser coupon price, because the honest number depends on your system size, the number of returns, and how much repair or sealing the ductwork needs. Call (866) 293-3740 for a free estimate.
Book Your Lennox Service in Colorado Springs, CO
Whether you have a Merit furnace with a standard blower or a Signature variable-speed system with a loaded wheel, we can tell you what’s happening inside the ductwork and fix what we find. Call (866) 293-3740. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Estimates are free, and the price is flat per system.
Written by the team at Flagship Air Duct Cleaning.