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.
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AfterLennox Air Duct Cleaning in Kennesaw, GA | CleanRun Air Duct Cleaning Marietta
Air Duct Cleaning - Kennesaw for independent Lennox systems typically runs $380-$620 for a complete job, with most visits completed in a single trip. What sets our Kennesaw work apart is this: we’ve cleaned enough Lennox Merit and Elite attic air handlers in Barrett Parkway subdivisions to know the exact flex duct sag points and collar separation patterns before we pull the first grille. Call (470) 516-9337 for a written estimate - no per-vent pricing, no coupon bait.
CleanRun Air Duct Cleaning Marietta is an independent Lennox service provider, not manufacturer-authorized or affiliated. We specialize in duct diagnostics and cleaning for Lennox residential air handlers and evaporator coils, with deep experience across the Merit and Elite series that dominate Kennesaw’s housing stock. Our technicians are duct-system specialists first. We understand how Lennox cabinet airflow, coil placement, and static pressure interact with the flexible duct networks in this market. Lennox sales & service details our full brand coverage.
Why Kennesaw Residents Choose Us for Lennox Service
Tomas Reyes, our owner, grew up in the Bronx and picked up his first trade skills at Bronx Community College before deciding airflow systems were the puzzle worth solving. He has spent well over a decade doing hands-on duct work, and for several years now he and our crew have been the ones homeowners near the Marietta Square call when the HVAC tech says the ducts are the problem. Tomas arrives with a camera scope and leaves customers with before-and-after photos they can actually read - no vague summaries, no upsell theatre.
That same approach drives our Kennesaw work. We serve the Kennesaw service area with the H.A.V.E.N. Standard: background-checked, uniformed technicians identified by name before arrival; written price before any work starts, every time, under Haven Standard Clause 1; and a Documented Photo Record of every duct run included as a standard deliverable. The camera doesn’t lie - and neither does the invoice.
Our equipment roster includes Rotobrush, Nikro, Abatement Technologies, Honeywell, Aprilaire, and Guardsman - professional-grade tools you can look up independently. Since 2013, we’ve served 52,000+ homes, every one with a written price before work started and a documented photo record when the crew left. The 365-Day Done Right Promise backs every job in writing.
Common Lennox Air Duct Cleaning Problems We Solve in Kennesaw
- Merit Series evaporator coils matted with Piedmont pollen. On Merit Series attic air handlers with PSC blowers, we routinely find coils choked with pollen and pine debris pulled through leaky return ducts. Airflow drops, and the coil freezes in humid Georgia summers. Kennesaw sits in the heaviest pollen belt in the southeastern U.S. - this is not a hypothetical failure, it’s what the camera shows every April and May.
- Horizontal attic air handlers with separated return plenum collars. Lennox units from the 1990s-2000s buildout often sit on sagging flex duct collars; the cabinet weight and aging insulation cause the return connection to pull apart. The blower then draws 130°F+ attic air and insulation fibers directly into the compartment. Kennesaw’s unconditioned attics hit 130-140°F in July, accelerating the breakdown.
- Condensate pan cracks and bio-growth in original coils. Original Lennox evaporator coils in these homes develop drain pan problems because summer humidity overwhelms undersized secondary drain lines. Moisture migrates into adjacent flex duct runs, and we find mold establishing in the liner folds. The humidity here is not incidental - it’s the defining environmental stress.
- Variable-speed blowers fighting undersized returns. Lennox Signature Series systems (SL280V, XC21 matches) lose efficiency when the return duct is crushed or undersized. The constant-CFM programming ramps up against high static pressure, masking severe restriction until the motor faults. In Kennesaw’s two-story colonials with long flex runs to second-floor bedrooms, this is a predictable outcome.
- Debris pooling at low points in sagging flex duct. The same 20-30-year-old flex duct that was standard in Kennesaw’s buildout now sags at hanger points, creating debris reservoirs. Our negative-pressure extraction (suction-based debris removal) pulls out material that has accumulated since the Clinton administration - Georgia red-clay dust, pollen, and whatever the previous owners’ renovation left behind.
BeforeAfterLennox Service in Kennesaw: What Local Conditions Mean for Your Equipment
Kennesaw’s explosive suburban buildout of the 1990s and early 2000s - concentrated around Barrett Parkway and the Town Center area - produced thousands of tract homes with builder-grade flexible ductwork that is now 20-30 years old. This is precisely the age when flex duct sags at hanger points, pools debris in low spots, and develops partially separated joints. Unlike older Atlanta neighborhoods with metal trunk-and-branch systems, Kennesaw’s housing stock is dominated by this single aging generation of flex duct, making comprehensive duct cleaning and integrity inspection unusually high-value here.
Because the Barrett Parkway and Wade Green Road subdivisions were built in tight two- to three-year windows from a handful of floor plans, the same Lennox air handler closet and flex duct trunk layout repeats house after house. We can pre-map the exact attic run where debris pooling and sag-related disconnections will occur before we open the first grille. This predictability is unusual; in older Atlanta neighborhoods with mixed renovations and metal trunk systems, every house is a different diagnostic puzzle. For Lennox owners, it means faster diagnosis, more accurate written estimates, and less time spent on discovery and more on actual cleaning and repair.
In a two-story colonial off Wade Green Road, we serviced a 2001 Lennox Merit Series attic air handler whose return flex had separated at the collar, pulling insulation and Piedmont pine pollen into the blower compartment and coating the evaporator coil. After a full system cleaning, coil wash, and re-securing the return with new flex and mastic, the homeowner’s upstairs airflow improved noticeably and the coil no longer iced over during July humidity. The same failure pattern - same collar, same sag point - showed up in the identical floor plan three streets over the following week.
Lennox Models & Products We Service in Kennesaw
We clean and service the full range of Lennox residential equipment found in Kennesaw homes:
- Merit Series (13ACX, ML14XC1): Common builder-grade outdoor units paired with attic air handlers. These are the systems we see most often in Kennesaw’s 1990s-2000s subdivisions.
- Elite Series (EL16XC1, EL18XPV): Mid-to-upper tier systems installed during the later phase of Kennesaw’s buildout. Higher efficiency, but the same flex duct vulnerabilities.
- Signature Series (XC21, SL280V): High-efficiency variable-speed systems in later or upgraded homes. These require careful static-pressure assessment - the constant-CFM blowers reveal duct problems that single-speed units tolerate.
- Dave Lennox Signature Collection air handlers: Variable-speed blower units where precision duct sizing matters even more.
We use OEM-equivalent Lennox-spec filter driers, gaskets, and coil cleaning agents where direct-fit matters. For flex duct, mastic, and insulation repairs, we use high-quality aftermarket materials because the original builder-grade materials are the weak point. When a Lennox coil or heat exchanger is corroded or cracked beyond cleaning, we give an honest repair-versus-replace assessment. We do not push replacement if a thorough cleaning and duct repair will restore the system.
Lennox Service Pricing in Kennesaw
Whole-system Lennox air duct cleaning in Kennesaw runs $380-$620 for a typical single-system home. This includes full negative-pressure extraction of all supply and return duct runs, evaporator coil cleaning, register and grille cleaning, and the Documented Photo Record delivered as a standard job record.
What drives the cost:
- Number of duct runs and registers
- Accessibility of attic air handler and plenum connections
- Extent of flex duct repair or re-securing needed
- Evaporator coil condition and cleaning complexity
Every estimate is free, written, and delivered before any work starts - Haven Standard Clause 1. No per-vent pricing. No $79 coupon that becomes a $900 invoice. Bring a competitor’s written estimate; we’ll put our number next to it under our Free Second Opinion policy. Call (470) 516-9337 to schedule.
Serving Kennesaw, GA - Our Local Coverage Area
We’re based in the Kennesaw 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 Kennesaw
The return flex duct collar has likely separated at the attic air handler, pulling hot attic air and debris into the blower compartment while starving the second-floor supply runs. This exact failure repeats across Kennesaw’s identical floor plans from that buildout era. After cleaning, coil washing, and re-securing the return with new flex and mastic, upstairs airflow typically improves measurably. Call (470) 516-9337 for a free inspection - we’ll show you the photo before suggesting any work.
No. Routine duct cleaning and coil maintenance do not void manufacturer warranties. We are an independent service provider, not Lennox-authorized, and we document our work with photos and written scope records that protect your warranty compliance. We do not modify sealed refrigerant circuits or electrical control boards during standard duct cleaning.
Kennesaw’s Piedmont pine and hardwood pollen is among the heaviest in the Southeast. It infiltrates through leaky return ducts and registers, then mats on the evaporator coil. A coated coil restricts airflow, reduces heat transfer, and ices over in humid conditions. We clean coils with Lennox-compatible foaming agents and document the before-and-after condition. The pollen load here is not a minor factor - it’s the primary seasonal stress on these systems.
We show you. Our camera scope inspects every duct run before cleaning begins. Sagging, separated collars, crushed sections, and insulation degradation are photographed and presented with the written estimate. You see what we see. Dirty duct can be cleaned; damaged duct needs repair or replacement. We do not guess, and we do not clean duct that should be replaced.
Yes. Variable-speed Signature Series blowers (SL280V, XC21 matches) require static-pressure testing before and after cleaning. The constant-CFM programming will mask duct restriction by ramping motor speed, so we measure actual pressure drops across the system to identify hidden blockages that a single-speed unit would simply underperform against. This diagnostic step is standard on our Signature Series jobs.
Service Areas Near Kennesaw
We serve Kennesaw and surrounding communities from our base near Marietta Square. Our regular routes include Lennox service in Marietta, Lennox service in Smyrna, Sandy Springs, Woodstock, and Roswell. The same H.A.V.E.N. Standard, written pricing, and Documented Photo Record apply in every service area.
Book Your Lennox Service in Kennesaw Today
Call (470) 516-9337 to speak with a live person and schedule your free, written estimate. Every job starts with a price you can hold in your hand and ends with photos you can see for yourself. The 365-Day Done Right Promise applies to every Kennesaw home we serve.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Marietta, serving Kennesaw and Cobb County since 2013.