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.
Rotobrush Air Duct Repair in Marietta: What to Know First
We repair Rotobrush air duct systems throughout Marietta, and most Rotobrush-specific fixes we handle are done in one visit with a clear price put in writing before any work starts. Rotobrush components in Marietta homes tend to fail in predictable ways – seal breakdowns, collar separation, and joint stress from the crawlspace humidity shifts we get between March and September. You’ll get a direct answer on cost before we open a panel: expect most Rotobrush air duct repairs in Marietta to land between $225 and $650 depending on access and how much of the run needs attention.
This page is written for Marietta homeowners with a Rotobrush system who want to understand what failed, what it costs, and who is showing up at the door. Call us at (912) 405-8840 and you will get a live person, not a menu. We work on Rotobrush duct systems as an independent service provider, and we’ll tell you what’s wrong before we tell you what it costs.
How Rotobrush Products Fail – and How We Fix Them
- B-series duct board joint separation in East Cobb ranches. The Rotobrush B-series line used a foil-faced duct board that doesn’t love Marietta’s humidity swings. We see the factory tape at joints lifting, especially in crawlspaces along the East Cobb corridor where moisture sits against the outer jacket. The fix is a mechanical re-seal with mastic and a proper foil tape, not a repeat of the same tape that failed.
- Round-pipe collar separation on R2 and R3 runs. The Rotobrush R-series round duct often separates at the takeoff collars where the branch meets the main trunk. This isn’t a brand defect – it’s what happens when a system in a Marietta attic cycles between 130°F summer heat and near-freezing winter nights. We re-set the collar, screw it (code-compliant), and seal it with mastic. No zip ties, no shortcuts.
- Flex duct compression behind knee walls in homes near Kennesaw Mountain. Older ranch-style homes around Kennesaw Mountain often have Rotobrush-branded flex runs stuffed behind knee walls with almost no clearance. The inner liner collapses and the outer jacket tears. We replace the damaged run with the correct R-value flex and strap it properly so it doesn’t repeat.
- Internal liner degradation on the Rotobrush A-series plenum. The A-series plenum on some Marietta systems we open shows the internal acoustic liner breaking down and releasing fibers into the airstream. That’s a repair we treat seriously – we remove the degraded section and replace it with a liner that’s rated for the airflow and won’t shed. This is one failure mode Rotobrush’s own site doesn’t dwell on.
- Diffuser boot rot in slab foundations. Marietta homes on slabs – common in the Sprayberry and Piedmont Bend areas – can have Rotobrush boot connections rusting where the boot meets the slab. Moisture wicks up through the concrete and sits against the metal. We cut out the rotted boot, replace it, and apply a moisture barrier at the penetration point so the new one isn’t on the same clock.
Styles & brands we work with




Our Rotobrush Air Duct Repair Process
Here’s what a Rotobrush repair call looks like from your side of the door in Marietta:
- 1
Call and describe the symptom. A real person answers. Tell us what you’re seeing – low airflow, a hot room, dust patterns at the registers.
- 2
We schedule the visit and send you the tech’s name and photo before arrival. The tech shows a photo ID badge at the door. Every time. That’s the Threshold Standard, and we’ve done it since 2004.
- 3
Diagnostic walkthrough. We inspect the system, open the affected panel or access point, and show you what we found. As Marcus Veale puts it: “Tell me what’s in the system before you tell me what it costs to fix it.”
- 4
Written price before work starts. You get the number on paper – parts and labor, no vague line items, no surprise invoice at the end. If we need an OEM Rotobrush part versus a quality aftermarket equivalent, we’ll say so and explain why.
- 5
The repair and a system test. We fix the duct, seal it properly, and run the system to confirm airflow and pressure are right. We take photos of the finished work.
- 6
Written guarantee on every repair. Every Rotobrush air duct repair in Marietta carries our 365-Day Done Right Promise. If the covered repair doesn’t hold, we come back at no charge.
See the difference
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After
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AfterWhat Rotobrush Air Duct Repair Costs in Marietta
Straight numbers, because you shouldn’t have to guess:
- Joint or collar re-seal (single access point): $225 – $375
- Flex duct replacement (one run): $275 – $450 depending on length and access
- Boot replacement with slab moisture barrier: $350 – $550
- Plenum liner repair or section replacement: $400 – $650 depending on scope
What moves the price in Marietta: access (crawlspace work in a humid East Cobb crawl costs more than attic work with standing room), how much of the run is compromised, and whether we’re using an OEM Rotobrush component or a quality aftermarket equivalent that meets the same spec. We’ll tell you which and why before you approve a dollar. Call (912) 405-8840 for a free estimate on your specific Rotobrush system – the estimate is free and the price we give you is the price on paper.
Why Marietta Homeowners Call Linden Air Duct Marietta for Rotobrush Work
Most Rotobrush repair calls in Marietta come down to one question: can I trust the person walking through my door? That’s the question we’ve built everything around. Every technician is background-checked, identity-verified, and introduced to you by name and photo before the visit. The tech arrives in a clean, marked uniform and shows a photo ID badge at the door. That’s the Threshold Standard, and it isn’t a slogan – it’s the operating rule on every job since 2004, under Threshold Group.
We also know the broader HVAC picture. Your Rotobrush system sits next to Lennox, Trane, or Carrier equipment in plenty of Marietta homes, and our techs work across all of it without blinking. You get a written price before any work starts, a written guarantee on every repair, and a free second visit if a covered repair fails. No fine print. No “that’s not included.”
FAQs
No. We’re an independent Rotobrush service provider. That means we repair Rotobrush duct systems using correct parts and proper technique, but we’re not a factory-authorized warranty station. If your Rotobrush system is still under manufacturer warranty, call the warranty line first – they may require a specific provider for covered claims. If you’re out of warranty, we can fix it and put our own 365-Day Done Right Promise on the repair in writing.
Both, and we’ll tell you which we’re using and why before you approve a dime. For some Rotobrush components – certain B-series duct board panels or A-series liners – OEM isn’t always the better call if the failure mode is humidity-related and the aftermarket equivalent is actually rated better for Marietta’s climate. If OEM is the right call for warranty or fit reasons, we use OEM. The decision is written on your quote.
Most Rotobrush air duct repairs in Marietta are done in one scheduled visit. We don’t rush the job, but we also carry the common repair materials on the truck – mastic, foil tape, standard flex sizes, boots, and liner stock – so we typically complete the repair the same day we diagnose it. If a specialty Rotobrush part needs to be ordered, we’ll tell you before the visit is over and schedule the return trip. Call (912) 405-8840 and we’ll give you a real timeline for your specific issue.
Repair makes sense when the system is structurally sound and the failure is isolated – one separated joint, one collapsed flex run, one rotted boot. Replace makes sense when you have multiple failures across the system, heavy internal liner degradation in the main plenum, or duct runs that were undersized from day one. We’ll show you what we found and let the condition of the duct make the argument. No upsell pressure. The price on paper is the price, whether it’s a repair or a full replacement.
Yes. Every Rotobrush air duct repair we complete in Marietta is covered by our 365-Day Done Right Promise, in writing on every job. If the covered repair doesn’t hold within 365 days, we return and make it right at no charge. That’s not a limited offer tied to a season or a coupon. It’s the standing commitment on every repair ticket.
Need Rotobrush air duct repair in Marietta? Call (912) 405-8840 and you’ll speak with a live person who can answer your questions and schedule a visit. You’ll get a written price before any work starts, a tech whose name and photo you already know, and a written guarantee on the repair. That’s the way it should work.
Written by Marcus Veale, Owner, Linden Air Duct Marietta at Linden Air Duct Marietta, serving Marietta and nearby areas.