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.
Nikro Air Duct Cleaning in Marietta: What to Know First
Nikro air duct cleaning in Marietta typically runs $450 to $850 for a full residential system, and Kestrel Air Duct Marietta completes most jobs in 4 to 7 hours. We’re an independent Nikro service provider, which means we work on your home’s ductwork using professional Nikro negative-air equipment, but we’re not owned by or authorized by the manufacturer. That independence lets us give you straight answers about what your system actually needs, without a corporate script behind it. If you own a home in Marietta with Nikro-branded equipment or just want your ducts cleaned with Nikro-grade professional tools, call us at (762) 533-6494 and we’ll walk you through what to expect. Dale Whitmore, our owner, would rather explain the job twice than have you surprised once.
How Nikro Products Fail – and How We Fix Them
Nikro Industries has built air duct cleaning equipment for decades, and their negative-air machines and HEPA-filtered vacuums show up in plenty of Marietta homes and commercial buildings. We see their systems age in predictable ways, and knowing those patterns means we fix the right thing the first time.
- Nikro RP Series negative-air units lose suction gradually. The RP-600 and RP-1000 units pull air through progressively loaded filters, and when a pre-filter hasn’t been changed on schedule, the motor works harder and moves less air. We check static pressure and filter loading before we even open a duct, because a weak vacuum means debris stays in the trunk line instead of getting extracted. The fix is usually fresh filters and a thorough inspection of the fan housing, not a new machine.
- HEPA filter bypass leaks on older Nikro cabinets. Some Nikro units we open in Marietta have filter gaskets that have flattened or cracked, letting unfiltered air slip past the HEPA stage. That’s a problem because loosened dust and mold spores get reintroduced into the living space rather than captured. We replace gaskets and verify the seal with a particle counter before running the machine in your home.
- Supply duct buildup hits harder in Marietta’s humidity. Nikro systems handle high volumes of particulate, but our Georgia summers push humidity through ductwork that stays damp longer. What we regularly see in Whitlock Avenue homes and out toward East Cobb is a sticky dust-and-moisture film inside supply ducts that brushes alone won’t remove. That’s where negative-air extraction matters most: the vacuum pulls the loosened film out of the trunk line instead of sending it through your vents.
- Return-side contamination from clogged Nikro pre-filters. When a Nikro unit’s pre-filter loads up, the operator may not notice because the machine still runs. But return ducts on the home side start recirculating the same unfiltered air, and return boots collect a surprising amount of debris. We always clean the return side at the same time as the supply side, whether or not the homeowner asked, because a half-clean system is a half-done job.
- Flex duct tears at Nikro connection collars. This is a Marietta-specific failure we see far too often: the flexible duct that connects a Nikro machine’s extraction hose to the main trunk line gets torn at the collar because someone forced a too-large hose onto a too-small fitting. The tear lets unfiltered air enter after the filter, defeating the entire point of the machine. We carry proper-sized adapters and replace damaged collars rather than taping things together and hoping.
Styles & brands we work with




Our Nikro Air Duct Cleaning Process
Here’s exactly what we do on a Nikro air duct cleaning job in Marietta, from the first call to the final walkthrough. No mystery steps, no surprises.
- 1
You call or schedule. A live person answers, 24/7. We ask about your home’s square footage, number of systems, and whether you have pets, recent renovations, or allergy concerns in the household.
- 2
We inspect before we quote. We send a background-checked, uniformed technician to walk your duct system, check your Nikro equipment if it’s on-site, and identify problem areas like the damp supply-side buildup we see in Marietta basements and crawl spaces.
- 3
You get a written price before work starts. Not an estimate that changes when we arrive with equipment. The number we put in your hands is the number you pay, full stop. That’s the Kingswell Way.
- 4
We clean the full system. Using a Rotobrush rotary brush to physically scrub duct walls, a Nikro negative-pressure unit to pull loosened debris out at the trunk line, and Abatement Technologies HEPA filtration to keep that debris from re-entering your living space during the job.
- 5
We show you the before-and-after. We run a video inspection before and after cleaning so you can see the duct walls, not just take our word for it. If a section is still dirty, we clean it again right then.
- 6
We put the guarantee in writing. Every Kestrel Air Duct Marietta job comes with our 365-Day Done Right Promise: if the work falls short within a year, we come back and make it right at no charge. That’s not a courtesy; it’s in writing on every single job.
See the difference
Before
After
Before
After
Before
AfterWhat Nikro Air Duct Cleaning Costs in Marietta
Here’s the honest price posture. Most single-system homes in Marietta run between $450 and $850 for a complete Nikro air duct cleaning, and that includes the full duct system (supply and return), the trunk line, and the video inspection. Larger homes with two systems or extensive flex duct can run $900 to $1,200. The price depends on the size of the system, how many returns you have, and how much buildup has accumulated. We don’t charge per vent, and we don’t hand out a teaser coupon price that doubles once the van arrives. The written price we give you before work starts is the price you pay, flat and final. Call (762) 533-6494 for a free inspection and exact quote.
Why Marietta Homeowners Call Kestrel Air Duct Marietta for Nikro Work
We’ve been cleaning ducts in Marietta since 2004, and the reason homeowners call us hasn’t changed: we show up when we say we will, we name the price before the first tool comes off the truck, and we put our guarantee in writing. A technician who’s late, vague about pricing, or gone after the invoice is paid isn’t helping anyone. Our people are background-checked and uniformed, and they follow the Kingswell Way on every visit: say the price, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if the work fails. We’re the accountable alternative. And because Dale Whitmore and our crew also work on homes with Lennox, Trane, and Carrier systems, we understand how Nikro cleaning equipment interacts with all the major HVAC brands in Marietta homes.
FAQs
No. Air duct cleaning performed with professional negative-air equipment does not void your HVAC manufacturer’s warranty, including warranties on Lennox, Trane, or Carrier systems. What voids warranties is damage caused by improper cleaning methods, which is why we use rotary brush agitation and negative-air extraction rather than aggressive scraping or chemical application. We’ll note your system’s make and model on the job record and clean to the manufacturer’s service standards.
You’ll see before-and-after video inspection footage of your duct walls on the job site, and you’ll receive the 365-Day Done Right Promise in writing. If anything falls short within a year, we return and make it right at no charge. No vague “satisfaction guarantee” language. It’s a written promise with our name on it, and we’ve been backing it since 2004.
Most low-ball duct cleaning quotes are per-vent teaser prices designed to get a crew into your home, at which point the real invoice appears. Some operators use box-store shop vacs that don’t have the negative-air draw to pull debris from the trunk line at all. If a Marietta quote sounds too good to be true, ask what equipment they run and whether the price includes the full system. Then call us at (762) 533-6494 for a straight number.
We schedule jobs promptly and work within a defined arrival window we give you in writing. Duct cleaning is a thorough job, not a rushed one, so we don’t promise unrealistic same-day slots. But we do show up when we said we would, and a live person answers our phone 24/7 if you need to adjust the schedule. Call (762) 533-6494 and we’ll get you on the calendar.
We’re an independent Nikro service provider, which means we use Nikro negative-air equipment for duct cleaning and we’re familiar with Nikro RP Series machines when they show up on commercial properties in Marietta. If you have a Nikro machine in your home or business that needs filter service or gasket work, we can assess it during a duct cleaning visit. We’re not factory-authorized for Nikro equipment repair, but we’ll give you an honest assessment and let you know what needs a Nikro-certified technician.
Written by Dale Whitmore, Owner, Kestrel Air Duct Marietta at Kestrel Air Duct Marietta, serving Marietta and nearby areas.