Lennox Air Duct Cleaning Service Nationwide

Why Littleton Homeowners Choose Lennox Air Duct Cleaning

CleanRun provides independent Lennox in Littleton air duct cleaning service for homeowners across Littleton and the Highlands Ranch area. We are not affiliated with or authorized by Lennox - we are an independent service provider with hands-on experience across thousands of Lennox ducted installations, from legacy G-series furnaces to current Dave Lennox Signature Collection equipment. Our crews clean evaporator coils, blower assemblies, and full duct systems using Rotobrush and Nikro negative-pressure extraction equipment, with every job starting from a written price and ending with a documented photo record of every duct run. Call (720) 315-7291 for a free estimate.

Call (720) 315-7291

Littleton presents an unusual concentration of aging Lennox systems. The 1950s-1970s ranch homes in historic Littleton proper often have original fiberglass-lined sheet-metal ductwork paired with older Lennox G-series or early Merit equipment, while the massive Highlands Ranch subdivisions - 80126, 80129, 80130 - contain thousands of 1990s-early 2000s tract homes where builder-grade flex duct and Lennox Air Duct Cleaning in Highlands Ranch, CO is needed as Elite Series furnaces hit the 25-35-year mark simultaneously. No neighboring suburb replicates this scale of aging residential ductwork. At 5,360 feet on the semi-arid Front Range, Chinook winds push fine particulate dust through home envelopes continuously, and increasingly severe wildfire smoke seasons pull odor into HVAC systems that recirculates until properly cleaned. We have cleaned Lennox systems in both contexts for years, including plenty of jobs in Columbine Knolls where the duct liners tell a longer story than the listing price suggests.

Why Trust CleanRun Air Duct Cleaning Littleton for Your Lennox Air Duct Cleaning?

Tomas Reyes, our owner, grew up in the Bronx and learned his trade fundamentals at BOCES Suffolk before heading west. He and our crew have been providing Air Duct Cleaning services in Littleton for years. Tomas pulls the inspection camera before quoting anything, then walks homeowners through exactly what the footage shows - debris load, flex duct condition, register seal gaps - in plain terms, not sales language. He keeps a printed price sheet in his truck because he got tired of customers wondering whether the number changes based on who answers the phone. The camera doesn’t negotiate - it just shows what’s there.

Our Lennox expertise comes from teardowns, not classroom certificates. We have cleaned evaporator coils on Lennox CX34 and CH33 cased coils, serviced blower wheels on EL296V and SLP98V variable-speed furnaces, and traced mineral dust contamination back to Healthy Climate bypass humidifiers in dozens of Littleton homes. We know the difference between a Lennox coil that needs cleaning and one corroded through from condensate pan leaks. We stock OEM Lennox gaskets, coil clips, and cabinet seals for jobs where fit matters, and we use high-quality aftermarket flex duct and mastic for generic runs where it does not. Every technician is background-checked and uniformed under Haven Standard Clause 3: Verified Crews. Every job carries the 365-Day Done Right Promise in writing.

Common Lennox Air Duct Cleaning Problems We Fix in Littleton

• Evaporator coil fin packing on CX34 and CH33 cased coils. The aluminum fins on these Lennox coils trap dust, lint, and pet hair until airflow is restricted by 30-40%. In Littleton’s dry, dusty climate, this happens faster than at sea level. Once packed, the coil drops below freezing temperature and ices over, which homeowners notice as weak airflow or water pooling below the air handler. We remove the coil cabinet, clean the fins with low-pressure foaming agents, and document the before and after with photos.
• Healthy Climate bypass humidifier mineral dust recirculation. Lennox WB2 and WB3 bypass humidifiers evaporate water through a pad; when Littleton’s hard water leaves mineral scale, that scale dries, flakes, and gets pulled into supply ducts. We find white dust buildup at the first supply register downstream of the humidifier - a telltale pattern. Cleaning the ducts without addressing the humidifier pad and distribution tray just resets the clock. We clean both.
• Flex duct sag and kink at the plenum connection. Lennox installations in Highlands Ranch tract homes often used builder-grade flex duct strapped too tightly or routed with sharp bends. Over 25 years, the sag deepens, creating dead zones where debris settles and airflow stalls. Our crews locate these kinks with inspection cameras, then either re-support the existing run or replace it with properly sized flex duct if the inner liner has torn.
• Blower wheel caking on PSC and Constant Torque motors. Lennox air handlers with these motor types draw higher amperage when the blower wheel is coated with debris. The motor works harder, runs hotter, and fails prematurely. We remove the blower assembly, clean the wheel blades individually, and measure amp draw before and after. Static pressure readings confirm the improvement.
• Legacy CompleteHeat HM30 high-velocity system contamination. These older Lennox systems use 2-inch diameter supply tubing that clogs completely if neglected. We have found HM30 systems in historic Littleton ranches where the tubing was packed solid with decades of debris. Cleaning requires specialized high-velocity duct cleaning equipment from Abatement Technologies - standard brushes will not fit.

Before

After

Lennox Parts & Our Repair-vs-Replace Approach

We use OEM Lennox gaskets, coil clips, and cabinet seals when they affect fit or performance. For generic flex duct, mastic, or register boots, we use quality aftermarket materials that meet or exceed the original specifications. We stock common Lennox consumables locally for fast turnaround.

We tell you honestly when cleaning will not fix the problem. If your Lennox coil is corroded through at the tube sheet, or the heat exchanger on an older G-series furnace is cracked, we document the damage with photos and explain why Lennox repair in Englewood or replacement is the only safe option. Haven Standard Clause 1 requires a written price before any work starts, so you will have that number in hand before deciding. No bait-and-switch. Call (720) 315-7291 for a free second opinion on any written estimate.

Our Lennox Service Process - Step by Step

1. 1
   Diagnosis with camera inspection. We access the plenum, evaporator coil, and blower compartment. The inspection camera shows debris load, coil condition, and flex duct integrity. We show you the footage before quoting.
2. 2
   Written scope and price. Haven Standard Clause 1: you receive a written price before any work begins. The scope specifies evaporator coil cleaning, blower cleaning, full system cleaning, or duct repair as needed.
3. 3
   Cleaning and repair. We use Rotobrush or Nikro negative-pressure extraction (suction that pulls loosened debris out of the ductwork rather than pushing it deeper) for duct runs, plus foaming cleaners for coils and hand-cleaning for blower wheels. Lennox-specific care: we protect the coil fins from brush damage and verify cabinet seal reassembly to prevent air bypass.
4. 4
   Testing and documentation. We measure static pressure and airflow before and after. Every duct run is photographed before and after. You receive the photo record as a standard deliverable.
5. 5
   Warranty and follow-up. The 365-Day Done Right Promise covers our workmanship in writing. If airflow drops or odors return, we make it right.

Lennox Products We Service & Install in Littleton

We service and clean Lennox Dave Lennox Signature Collection furnaces including the SL280, EL296V, and SLP98V; Elite Series models EL180, EL195, and EL296; Merit Series furnaces ML180, ML193, and ML195; and legacy equipment including the CompleteHeat HM30 high-velocity system and G-series furnaces. We clean Lennox cased coils CX34 and CH33, Healthy Climate bypass humidifiers WB2 and WB3, and all associated air handlers and blower assemblies. We stock OEM cabinet seals, coil clips, and gaskets for Signature and Elite series units locally.

We Also Service These Brands

Our crews are equally familiar with Trane and Carrier duct systems, including Trane’s variable-speed Communicating systems and Carrier’s Infinity series with ECM blower motors. Multi-brand capability means we can service mixed systems - a Lennox furnace with a Carrier coil, for example - without guessing. The inspection camera and written price process apply regardless of brand.

FAQs - Lennox Air Duct Cleaning Service in Littleton

Is CleanRun Air Duct Cleaning Littleton authorized by Lennox?

No. We are an independent Lennox service provider, not affiliated with or authorized by Lennox Industries. Our expertise comes from hands-on field experience with Lennox equipment across thousands of Littleton homes, not manufacturer certification. This independence means we can recommend cleaning, repair, or replacement based on what we find, not on brand loyalty.

Do you use genuine Lennox/OEM parts?

We use OEM Lennox gaskets, coil clips, and cabinet seals when fit and performance depend on exact specifications. For generic materials like flex duct, mastic, or register boots, we use high-quality aftermarket products. We do not install counterfeit or unverified components.

How long does Lennox service take?

A typical evaporator coil cleaning and blower cleaning on a Lennox EL296V or similar unit takes 3-4 hours. Full system cleaning with ductwork adds 2-3 hours depending on home size and accessibility. We do not rush the documentation - every duct run gets photographed. Call (720) 315-7291 to schedule.

What Lennox models/series do you cover?

We service Dave Lennox Signature Collection (SL280, EL296V, SLP98V), Elite Series (EL180, EL195, EL296), Merit Series (ML180, ML193, ML195), legacy G-series furnaces, CompleteHeat HM30 high-velocity systems, CX34 and CH33 cased coils, and Healthy Climate WB2/WB3 humidifiers. If your model is not listed, call us - we have likely seen it.

Will service void my Lennox warranty?

Proper cleaning by a qualified technician does not void a Lennox warranty. We document our work with photos and written scope, which protects you if a warranty claim arises. We do not disassemble sealed refrigerant systems or heat exchangers - activities that would require manufacturer authorization. If we find a defect that should be covered under Lennox warranty, we tell you before proceeding.

How much does Lennox air duct cleaning cost in Littleton?

Lennox evaporator coil cleaning in Littleton typically runs $280-$420. Full system cleaning including blower, coil, and ductwork ranges $480-$780 depending on home size and debris load. We deliver a written price before any work starts - no per-vent add-ons, no post-arrival upsells. Call (720) 315-7291 for an exact quote; estimates are free.

Book Your Lennox Service in Littleton, CO

Call (720) 315-7291 to speak with a live person and schedule your free estimate. We answer calls 24/7. Every Lennox job starts with a camera inspection, a written price under Haven Standard Clause 1, and ends with a documented photo record of every duct run. The 365-Day Done Right Promise backs our work in writing. Bring us any competitor’s written estimate - we will put our number next to it at no cost.

Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Littleton, serving Littleton since 2013.