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.
Lennox Air Duct Cleaning in Woodstock, GA | Kestrel Air Duct Marietta
Yes, Kestrel Air Duct Marietta provides Air Duct Cleaning - Woodstock for independent Lennox systems, and here’s the thing that sets our work apart here: we know exactly what Georgia attic heat does to flex duct over bonus rooms. Most homes in Woodstock run Lennox forced-air systems through attic spaces that hit 140°F in July, and that specific stress creates failures you won’t find in a manual. Call (762) 533-6494 for a straight answer and a written price before any work starts.
We’re not a manufacturer-authorized service center. We’re better positioned, honestly. That means we fix what’s actually failing in Woodstock Lennox installs rather than what a corporate checklist tells us to look for. Our techs work on Merit, Elite, and Signature Collection systems throughout Cherokee County every week. If your ducts are sagging over the garage or your coil’s grown a fur coat of pollen and mold, we’ll tell you what it costs to fix and stand behind the work in writing. We also offer our Dryer Vent Cleaning in Woodstock if that’s part of the problem.
Why Woodstock Residents Choose Us for Lennox Service
Dale Whitmore, our owner, came up through the trade at Los Angeles Trade-Technical College and spent years on residential and commercial HVAC across the Southwest before running crews in the Marietta area. He built our duct cleaning approach around negative-air extraction paired with rotary brush agitation. Translation: a high-powered vacuum creates suction at the trunk line while a spinning brush physically scrubs the duct walls, so loosened debris gets pulled out of your home instead of redistributed through it.
That combination matters more in Woodstock than most places. Your Lennox air handler in a hot attic above a bonus room isn’t the same job as a basement unit in Marietta. We treat it that way. Our techs run Rotobrush systems to dislodge debris at the duct wall, Nikro negative-pressure units to pull contaminants out, and Abatement Technologies HEPA filtration to keep loosened particles out of your living space. Real equipment, not a box-store shop vac with a brush taped to it.
Every visit follows the Kingswell Way: say the price, show up in the window we gave, leave the place cleaner, put the guarantee in writing, come back if it fails. That’s not a slogan. It’s the code Dale has run crews by since Kestrel started under the Kingswell Guarantee in 2004.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in Woodstock
- Flex duct sagging and inner liner separation. Lennox systems installed during Woodstock’s 1990s and 2000s building boom used a lot of flex duct. In attics above garages and bonus rooms, that duct bakes. The inner liner peels away from the insulation, splits, and lets dust, mold spores, and insulation particles bypass the filter entirely. We see this constantly in subdivisions like Eagle Watch and Towne Lake Hills.
- Mold growth on evaporator coils and supply plenums. Woodstock’s long, humid summers mean your Lennox coil sweats for months straight. Condensation doesn’t just evaporate in a hot attic; it feeds mold. We clean coils and plenums with the same negative-air discipline we use on ducts so spores don’t get pushed deeper into the system.
- Blower wheel and secondary heat exchanger dust buildup. High-efficiency Lennox furnaces run tight tolerances. When dust coats the blower wheel, airflow drops and the limit switch can trip. That’s a common call in Woodstock homes with slab foundations where return air pulls red clay dust into the system.
- Pollen and dust bypassing filter racks. Lennox Healthy Climate filter racks don’t work when they’re not sealed properly. We find improperly seated filters letting Woodstock’s spring pollen load coat the coil. A clean coil with a bypassed filter clogs again within weeks. We fix the rack seal before we clean.
- UV lamp systems with dirty ducts upstream. Plenty of Woodstock Lennox installs include UV lamps on the coil. But UV doesn’t clean the ductwork feeding that coil. If the flex runs are shedding liner material, the UV lamp can’t help. We’ll tell you when a UV system needs the ducts cleaned first to even make sense.
Lennox Service in Woodstock: What Local Conditions Mean for Your Equipment
Here’s the Woodstock-specific fact that shapes how we work on Lennox systems here: subdivisions built during the 2000s boom, places like Eagle Watch and Towne Lake Hills, routinely have bonus rooms above garages where Lennox flex ducts run through attics that hit 140°F in July. That heat load doesn’t just make the attic uncomfortable. It causes the inner liner of flex duct to peel away from the insulation, creating a channel where dust and mold spores bypass the filter entirely. You rarely see this failure in neighboring Marietta or Roswell because bonus rooms are less common there. In Woodstock, it’s practically a feature of the housing stock.
We were called to a home in Eagle Watch where a Lennox Elite system couldn’t hold temperature in the bonus room. Video inspection showed a 12-foot flex duct over the garage with the inner liner collapsed and separated. Dust and mold spores were bypassing the filter completely. We replaced the run with R-8 flex, mastic-sealed both ends, and cleaned the coil and blower. The owner told us the room finally held 72°F. That’s what we mean when we say local conditions change the job.
Add Woodstock’s pollen-heavy springs and the red clay dust that finds its way into slab-foundation return plenums, and you have a situation where a generic duct cleaning from an out-of-town outfit won’t touch the real problem. Cleaning the ducts on a Lennox system here without checking the flex runs in the hot attic is like mopping the floor while the window’s open during a pollen storm.
Lennox Models & Products We Service in Woodstock
We service the full Lennox residential range in Woodstock. That covers the Merit Series, including ML180 and ML196 gas furnaces, the Elite Series like the EL296V furnace and EL18XCV air conditioner, and the Dave Lennox Signature Collection, including SLP99V furnaces and XC25 air conditioners. We also work on Lennox Healthy Climate filtration and UV systems.
For critical components like coils, blower motors, and limit switches, we use OEM Lennox parts to preserve system performance and warranty coverage. For general duct accessories like flex duct, mastic, and registers, we specify quality aftermarket equivalents that meet or exceed Lennox specs. We stock common replacement flex and sealing materials for fast Woodstock turnaround, and we’re clear about when a sagged flex run or failing coil should be replaced rather than cleaned. If you’re looking for broader Lennox sales & service, we can point you the right direction.
See the difference
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Before
AfterLennox Service Pricing in Woodstock
Most complete Lennox duct cleaning jobs in Woodstock run between $450 and $900 depending on home size, number of systems, and the condition of the flex duct. A bonus room with a collapsed liner over the garage will add a flex replacement cost, typically $180 to $400 per run depending on length and access. Poorly sealed filter racks or mold treatment on coils run $150 to $350 depending on severity. We put the written price in your hands before a single vent is touched.
Our estimates are free and come with no obligation. Call (762) 533-6494 and we’ll walk you through what your specific Woodstock home likely needs, what it costs, and whether cleaning will solve the problem or replacement makes more sense.
Serving Woodstock, GA - Our Local Coverage Area
We’re based in the Woodstock 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 Woodstock
That musty smell is almost always mold or mildew growing on the evaporator coil or inside the supply plenum, fed by condensation during Woodstock’s humid summers. In bonus-room-over-garage layouts, the flex duct runs through superheated attic space, and warm moist air lingers in those runs when the system cycles off. The fix is cleaning the coil, plenum, and ducts, then checking the flex runs for liner separation that lets spores keep coming back. Call (762) 533-6494 and we’ll inspect it properly.
Sometimes, and sometimes the duct itself is the problem. If the flex runs over a garage or bonus room have sagged or the inner liner has separated, no amount of cleaning restores airflow until the duct is replaced. We check airflow first. If the ducts are collapsed, we’ll tell you and give you a price for replacement. If they’re intact and packed with dust, cleaning usually restores most of the airflow. Either way, you’ll know before you approve any work.
Woodstock’s spring pollen load is heavy enough that if the filter rack isn’t sealed properly, pollen coats the coil within weeks. That cuts efficiency and feeds mold growth during humid months. We check filter rack seals as part of every Lennox duct cleaning. A sealed rack plus a clean coil means your Healthy Climate filter can actually do its job. Cost for rack sealing runs $150 to $350 depending on the rack type, and you’ll know before we touch anything.
No. Duct cleaning does not void a Lennox warranty. In fact, neglecting ducts and running a system with heavily restricted airflow can cause the overheating and coil failures that warranties sometimes don’t cover. We use negative-pressure extraction that pulls debris out rather than blasting it through the system, so your equipment sees no added stress during cleaning. Kestrel Air Duct Marietta is an independent service provider, not manufacturer-affiliated, and our method is exactly what Lennox equipment needs.
Yes, with the right procedure. We power down the UV lamp during cleaning and cover it to prevent dust from coating the bulb. Then we clean the ducts and coil using negative-pressure extraction so loosened debris exits the system rather than moving past the UV lamp. Once everything is clean, the UV lamp works far more effectively because the air reaching it isn’t carrying a load of dust. Call (762) 533-6494 for an exact quote on your Woodstock home, estimates are free.
Service Areas Near Woodstock
We serve Woodstock and the surrounding Cherokee County communities, including our full Woodstock service area coverage. For Lennox owners further south, we also provide Lennox service in Marietta and Lennox service in Roswell. If you’re in Towne Lake, Eagle Watch, or anywhere else around Woodstock, we’ll be there on schedule.
Book Your Lennox Service in Woodstock Today
Clean ducts, straight answers, price up front, that’s the whole deal. Call (762) 533-6494 and a live person answers, day or night. We’ll schedule a time that works, show up when we say, and put the written price in your hands before any work begins.
Written by Dale Whitmore, Owner at Kestrel Air Duct Marietta, serving Woodstock since 2004 under the Kingswell Guarantee.