Whole-home duct cleaning
Dryer vent cleaning
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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.
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Before
AfterCommercial Duct Cleaning in Marietta, GA
Commercial duct cleaning in Marietta typically costs between $0.30 and $0.60 per square foot for office spaces, retail storefronts, and medical suites, with most small to mid-size commercial jobs falling between $800 and $2,500 depending on the number of rooftop units and the condition of the ductwork. Kestrel Air Duct Marietta handles commercial systems with the same written-price commitment we bring to every Residential Duct Cleaning job, using negative-air extraction equipment sized for larger buildings. If you manage or own a commercial property in Marietta and the air smells stale or the registers are coated with dust, call us at (762) 533-6494 and we’ll give you a straight answer.
Commercial ductwork carries a heavier load than residential systems. It runs longer hours, moves more air, and collects everything from construction dust to kitchen grease to the fine particles that settle in return plenums. Our team works with property managers, office administrators, and small business owners across Marietta on systems ranging from single-zone storefronts to multi-unit office buildings. The process is the same discipline we apply to Air Duct Cleaning in homes: say the price, show up in the window we gave, do the work with real tools, and put the guarantee in writing. What changes on commercial jobs is the scale: bigger ducts, bigger fans, longer runs, and a schedule that has to work around business hours.
Dale Whitmore has been running Kestrel Air Duct Marietta under the Kingswell Guarantee since 2004. That guarantee is simple and it is in writing on every job: a written price before work begins, a defined arrival window, a clean job site, and a free return visit if the work falls short within the guarantee period. Commercial customers get the same four promises. No separate commercial contract with fine print, no different standard because the building has a suite number instead of a mailbox.
When You Need Commercial Duct Cleaning
Commercial systems don’t always announce trouble loudly. The signs show up in tenant complaints, employee discomfort, higher utility bills, and dust that reappears on desks two days after cleaning. Here are the situations where we’re usually called in:
- Visible dust buildup at supply or return registers. If the vent covers have a gray film, the ducts behind them are worse. This is the most common trigger for a commercial cleaning call in Marietta, especially in buildings near Cobb Parkway where construction dust from ongoing development finds its way into rooftop intakes.
- Tenant or employee complaints about stale air or odors. When the same smell circulates through every zone, the ductwork is moving it. Offices near restaurants, medical suites, and buildings with older carpeting tend to trap odor particles in the return system.
- Reduced airflow from certain registers. A damper may be closed, or the duct interior may be narrowing with debris. If balancing the system doesn’t fix it, the restriction is physical.
- Recent renovation or construction. Drywall dust, sawdust, and demolition debris get pulled into return ducts during any remodel. If a build-out happened in your Marietta space and nobody sealed the returns, that dust is now circulating through the entire system.
- Higher cooling bills with no obvious cause. A heat exchange that’s insulated by a layer of dust runs longer and costs more. Commercial AC units in Georgia work hard from April through October. A dirty duct system forces them harder still.
- Pest activity in ductwork. Rodents and insects in commercial ducts leave droppings and debris that must be removed, not just covered. We see this more in older Marietta buildings with flat roofs and open plenum returns.
If two or more of these apply to your building, the ductwork is working against you. A cleaning doesn’t just improve air quality, it removes the particle load that slows airflow and shortens the life of blower motors and filters.
Our Commercial Duct Cleaning Process
We don’t improvise on commercial jobs. The process is sequenced, documented, and built around not disrupting your operation. Here’s what happens from the first call to the final walkthrough:
- Walkthrough and written quote. We inspect the property, identify every air handler and rooftop unit, count the registers, and assess the duct condition. Then we hand you a written price before any work begins. That price doesn’t change at the door because there is no door-step revision in the Kingswell Way. The number you approve is the number on the invoice.
- Scheduling around your business. Most commercial cleanings in Marietta are scheduled after hours, on weekends, or in zones so one part of the building stays operational. We give you a defined arrival window and we hit it. If we’re going to be late, you’ll hear from a live person, not an automated text.
- Containment and protection. We seal off the work zone, lay down surface protection, and connect our Nikro negative-air unit to create vacuum pressure inside the duct system. Negative-air extraction means the duct interior is under suction the entire time, so loosened particles don’t escape into the workspace. HEPA filtration on the Abatement Technologies unit traps the debris before the exhaust air returns to the room.
- Agitation and extraction. Rotobrush rotary brush systems run through the duct runs, dislodging debris that’s adhered to the duct walls. The brush agitation breaks the bond, and the negative air pulls everything into the filtration unit. We do this systematically, zone by zone, until every accessible run has been cleaned from register to plenum.
- Register and grille cleaning. Every supply and return cover is removed, cleaned, and reinstalled. We don’t leave rusted screws or misaligned covers behind.
- Final inspection and written guarantee. We walk the property with you or your building manager, show the before-and-after condition, and hand over the written 365-Day Done Right Promise. If anything falls short within a year, we come back and make it right at no charge. That’s not a courtesy. It’s in writing.
Commercial Duct Cleaning Pricing in Marietta
Commercial duct cleaning in the Marietta market is priced by square footage, the number of air handlers or rooftop units, and the degree of contamination. Here’s what we see on real jobs in the area:
- Small retail or office space (under 2,000 sq ft): $800 – $1,400, typically one air handler and 8 – 14 registers.
- Mid-size office or medical suite (2,000 – 5,000 sq ft): $1,400 – $2,500, generally two to four rooftop units and 15 – 30 registers.
- Larger single-floor commercial (5,000 – 10,000 sq ft): $2,500 – $4,800, depending on duct complexity, accessibility, and contamination level.
- Multi-story buildings: Priced per floor and per zone after a walkthrough. We can’t quote a meaningful range without seeing the mechanical rooms and rooftop layout.
What drives the price up? Long duct runs with limited access, heavy debris from construction or years of deferred maintenance, kitchens with grease-laden vapor in the exhaust side, and buildings where the return plenums are over ceiling tiles and hard to reach. What drives it down? Open ceiling plenums, drop ceilings with easy access, newer buildings with clean returns, and systems that have had a Return Duct Cleaning on a regular schedule before.
Every commercial quote is free and it’s a real number we stand behind in writing. Call (762) 533-6494 to schedule a walkthrough. We won’t give you a range over the phone and then show up with a higher figure. That’s not how the Kingswell Guarantee works.
Why Commercial Properties in Marietta Call Us
Marietta’s commercial stock spans the spectrum: 1970s strip centers off Roswell Road, glass office buildings near the Square, medical practices around Kennestone Hospital, and warehouses along South Cobb Drive. Each one has different ductwork and different contamination patterns. The common thread is that building owners want a company that answers the phone, shows up, and doesn’t turn a cleaning job into a sales pitch for replacement equipment.
Our technicians are background-checked and uniformed. They carry Rotobrush rotary brush systems for duct-wall agitation, Nikro negative-pressure units for extraction, and Abatement Technologies HEPA filtration as part of our Full System Cleaning so nothing that gets loosened ends up back in the breathing air. We also keep Honeywell and Aprilaire filtration products on hand for customers who want to upgrade their filter media after a cleaning. The equipment matters, but the discipline matters more: same process every time, documented at every step.
We answer calls with a live person 24 hours a day. If you manage a building and the AC is pushing dust on a Saturday, you reach a human, not a voicemail that promises a callback on Monday. That matters to tenants and it matters to liability. It also matters to us because the Kingswell Way says a real conversation comes before everything else.
FAQs – Commercial Duct Cleaning
How much does commercial duct cleaning cost in Marietta?
Commercial duct cleaning in Marietta usually runs between $0.30 and $0.60 per square foot, with typical total jobs between $800 and $4,800 depending on building size, number of rooftop units, and how dirty the ducts are. Small offices under 2,000 square feet typically fall in the $800 – $1,400 range. The only way to get an exact number is a walkthrough, and we provide that quote in writing before any work starts. Call (762) 533-6494 to schedule one, it’s free.
How long does commercial duct cleaning take?
A small commercial space is usually done in 3 – 5 hours. A mid-size office or medical suite takes a full working day. Larger buildings are scheduled in zones over multiple days so parts of the facility stay operational. We’ll give you a time estimate with the written quote, and we show up in the window we gave you.
Will commercial duct cleaning disrupt my business?
Most of our Marietta commercial jobs are done after hours, on weekends, or in zones that let the building stay open. We contain the work area with plastic sheeting and surface protection, and the negative-air setup keeps loosened dust out of the workspace. Your staff and customers can stay in the building, and in most cases they won’t know we’re there until the registers look different.
Is it cheaper to clean commercial ducts than to keep replacing filters?
It depends on how much debris is in the system. A heavily contaminated duct system will load up a new filter in days, and you’ll be replacing filters monthly or more often. Cleaning the ducts removes the source of the loading, so filters last longer and the blower motor works less hard. Many of our Marietta clients see the cleaning pay for itself within a year in filter and energy savings, but we’re not going to make a specific ROI promise without seeing your system.
Call Kestrel Air Duct Marietta for Commercial Duct Cleaning
If your building’s ductwork needs attention, start with a phone call. We’ll talk through what you’re seeing, schedule a walkthrough, and put a written price in your hands before a single vent is touched. The 365-Day Done Right Promise covers every commercial job we do: if the work falls short within a year, we return and make it right at no charge. No caveats, no fine print, no disappearing after the invoice clears.
Call (762) 533-6494 for a free commercial estimate. A real person answers, any time of day. Reach out to Air Duct Cleaning in Marietta for residential services, or head back to our home page to see everything we cover.
Written by Dale Whitmore, Owner at Kestrel Air Duct Marietta, serving Marietta.