Whole-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.
Lennox Air Duct Cleaning in Leesburg, VA | CleanRun Air Duct Cleaning Leesburg
Leesburg Air Duct Cleaning for Lennox systems typically runs $450-$850 for a full system on a 3,000-4,000 square foot home, with most jobs completed in a single day. What sets our Lennox work apart in this market is the agricultural particulate profile - horse dander, hay dust, and hunt-country debris from Loudoun’s western edge - that packs into Lennox blower wheels and coils differently than standard suburban dust. We service all Lennox model lines across Leesburg, from builder-grade Merit installations in Potomac Station to Signature Collection systems in newer developments, and every job starts with a written price before we touch a panel. Call (571) 487-7204 to schedule your inspection.
Why Leesburg Residents Choose Us for Lennox Service
We’ve been pulling Lennox air handlers out of Leesburg homes since 2013. Tomas Reyes, our owner, grew up in Queens and learned the trade at Triangle Tech in New York before spending two decades working HVAC and duct systems up and down the East Coast. He and our crew have become the ones homeowners near Ida Lee Park call when the return grilles haven’t been pulled since the house was built.
Our Lennox sales & service work is independent - we’re not manufacturer-authorized, and we don’t pretend to be. That independence matters because it means we stock OEM-equivalent parts from quality aftermarket suppliers alongside genuine Lennox components, and we recommend based on what your system actually needs, not what a dealer agreement requires. We carry blower wheels, coil chemicals, and flex duct repair components sized for the Merit, Elite, and Signature Collection lines we see daily in Loudoun County.
Every technician is background-checked and uniformed under Haven Standard Clause 3: Verified Crews. The inspection camera goes in first. Every recommendation gets backed by a still frame or written measurement. The camera goes in before the quote comes out.
Common Lennox Air Duct Cleaning Problems We Solve in Leesburg

- Blower wheel imbalance on Lennox Merit and Elite series air handlers. The rubber-mounted blower wheels in these units collect fine agricultural debris from Leesburg’s hunt-country air - horse dander and hay dust from fields along Route 15 and the Potomac lowlands. This material packs unevenly, throwing the wheel out of balance. Vibration follows. Then premature motor failure. We see this most often in River Creek and Woodlea Manor, where the 2000s build boom left systems running for 15-20 years without cleaning.
- Cased coil freeze-ups in humid Leesburg summers. Lennox cased coils - the older C33 or newer CX34 - develop thick biofilm and mold on the fin surfaces when attic temperatures spike and humidity climbs. In the large two-story colonials common here, where duct runs pass through unconditioned attic spaces, this restriction causes the system to ice over. A proper coil cleaning removes the biological load and restores design airflow.
- Collapsed flex duct in 2000s-era Lennox installations. Builder-grade flexible ductwork from the rapid-construction period in planned communities has an inner core that tears or collapses at sharp bends and attic connections. The system pulls in attic insulation and agricultural dust instead of conditioned air. We repair or replace these runs with properly supported flex duct or rigid conversions where access allows.
- Heat exchanger coating in older Lennox furnaces. The G60 and G50 series furnaces still serving pre-WWII and mid-century homes in Old Town collect pollen and field dust on the heat exchanger surfaces. This insulation creates hot spots that stress the metal. A thorough duct cleaning reduces the particulate load reaching the exchanger, extending safe operation when combined with proper combustion analysis.
- Drywall dust and construction debris in original Lennox systems. Homes built during Loudoun County’s explosive 2000s growth often still hold drywall powder from rapid construction in the return drops and trunk lines. This fine, abrasive material circulates through the system, accelerating wear on blower bearings and coil fins. We remove it with negative-pressure extraction and rotary brushing.
Before
AfterLennox Service in Leesburg: What Local Conditions Mean for Your Equipment
Leesburg’s position at the edge of Loudoun County’s hunt country means Lennox systems in neighborhoods like River Creek and Woodlea Manor pull in measurable horse dander and hay dust that simply does not exist in Sterling or Ashburn. We routinely find this fine, fibrous agricultural debris packed against the upstream face of Lennox cased coils and inside return drops - a contaminant that standard suburban duct cleaning protocols are not designed to remove.
The Piedmont elevation here, slightly higher than the DC flatlands, intensifies spring pollen loads blowing off the Blue Ridge to the west. That pollen combines with agricultural particulates from fields north and south along Route 15. Inside a Lennox air handler, this mixture forms a distinctive gray, fibrous mat that looks different from the fine, dark household dust we see closer to Washington. Our crews know the difference because we’ve photographed both. The equipment we use - Rotobrush rotary systems, Nikro negative-pressure extractors, and Abatement Technologies HEPA filtration - is selected specifically to break up and remove this heavier agricultural loading without damaging aging flex duct.
A homeowner in Woodlea Manor called us because their Lennox Elite EL296V furnace was short-cycling and the upstairs bedrooms never felt cool. We pulled the air handler and found the blower wheel caked with 15 years of horse-pasture dust and drywall powder from the original 2004 build, and the Lennox cased coil was matted with the same gray fibrous debris. After a full system cleaning, coil wash, and flex duct repair on two crushed runs in the attic, static pressure dropped and the system ran quietly at the correct temperature split.
Lennox Models & Products We Service in Leesburg

We work on the full Lennox residential line. The Merit Series - 14ACX and ML14XC1 air conditioners, EL180 and ML180 furnaces - appears constantly in Leesburg’s 2000s housing stock. The Elite Series, including the EL16XC1, EL18XCV, and the EL296V variable-speed furnace, shows up in mid-tier builds and upgrades. The Dave Lennox Signature Collection - SL280V and SLP98V furnaces, XC21 and XC25 air conditioners - serves the higher-end market near the Potomac and in newer infill.
Our parts approach is straightforward. We stock OEM-equivalent Lennox blower wheels, coil cleaning chemicals compatible with aluminum and copper fin stock, and flex duct components from quality aftermarket suppliers. When a control board or motor fails, we recommend genuine Lennox parts. For older systems, if we find a cracked heat exchanger or seized compressor, we give a straight repair-versus-replace assessment based on unit age and part cost. We don’t push replacement if cleaning or minor repair will restore safe operation.
Lennox Service Pricing in Leesburg
Full system air duct cleaning for a Lennox-equipped home in Leesburg typically falls between $450 and $850, depending on system size, duct material, and accessibility. A single-zone Merit system in a 2,500 square foot home with straightforward basement access sits at the lower end. A zoned Signature Collection system with multiple attic runs, coil cleaning, and flex duct repair in a 4,500 square foot Woodlea Manor colonial runs higher.
Every estimate includes the documented photo record - before and after images of every duct run, delivered as part of the standard job record. We use professional-grade equipment from Rotobrush, Nikro, Abatement Technologies, Honeywell, Aprilaire, and Guardsman, and we name those brands so you can verify specifications before agreeing to any work. Haven Standard Clause 1 requires a written price before any work starts. No exceptions. No per-vent pricing. One flat price per system, agreed in writing.
Call (571) 487-7204 for your exact number. Estimates are free, and we provide a Free Second Opinion on any written competitor quote.
Serving Leesburg, VA - Our Local Coverage Area

We’re based in the Leesburg area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Lennox Air Duct Cleaning in Leesburg
Yes, almost certainly. The 2000s build boom in Leesburg left thousands of homes with original builder-grade flex duct that has never been cleaned. Drywall dust from rapid construction, plus 15-20 years of agricultural particulates from nearby hunt-country fields, packs into Lennox blower wheels and coils in these systems - a problem our Dryer Vent Cleaning - Leesburg crews also encounter with similar debris buildup. We document the condition with camera inspection before quoting any work. Call (571) 487-7204 to schedule a look.
Leesburg’s western position at the agricultural edge of Loudoun County means horse dander, hay dust, and field particulates enter return systems at concentrations we don’t measure in Ashburn’s more fully suburban environment. This debris is fibrous and tends to mat against Lennox cased coils and pack into blower wheel vanes rather than circulating as fine dust. Our cleaning protocols account for this heavier loading. Call (571) 487-7204 and we’ll show you what your system is actually pulling in.
Yes. The pre-WWII and mid-century homes in Old Town present more complex access challenges than suburban basements, but rigid galvanized ductwork often cleans more thoroughly than flex when properly accessed. We use sealed access ports and negative-pressure extraction to avoid releasing debris into living spaces. The documented photo record shows every run completed. Call (571) 487-7204 to discuss access specifics for your home.
No. Routine duct cleaning does not void manufacturer warranties on Lennox equipment. We are an independent service provider, not a Lennox dealer, and we document our methods and equipment specifications as part of every job record. If you have specific warranty concerns, we review your documentation before starting work. Call (571) 487-7204 with your model and serial number and we’ll confirm compatibility.
The combination of humid Leesburg summers and biofilm accumulation on Lennox cased coils - especially in two-story colonials with attic-mounted air handlers - restricts airflow until the coil ices over. The mold and biological loading we remove during coil cleaning restores the heat transfer the system was designed for. This is a maintenance issue, not typically a refrigerant problem. Call (571) 487-7204 for a coil inspection and written quote.
Service Areas Near Leesburg

Our Leesburg service area covers the full city and extends to surrounding Loudoun County communities. We regularly service Lennox service in Ashburn to the east along Route 7, Lennox service in Sterling southeast toward Dulles, plus Herndon, South Riding, and Great Falls. The agricultural particulate profile shifts as you move east - our crews adjust cleaning intensity and equipment selection based on what we find in each area’s housing stock and local air quality.
Book Your Lennox Service in Leesburg Today
Call (571) 487-7204 to schedule your Lennox system inspection. A live person answers every call. We’ll deliver a written price before any work begins, complete the job with a documented photo record of every duct run, and back it with our 365-Day Done Right Promise. Haven Standard Clause 1. No exceptions.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Leesburg, serving Leesburg since 2013.




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