Rotobrush Duct Repair & Sealing Nationwide

Rotobrush Duct Repair & Sealing in New York City: What to Know First

Rotobrush duct repair and sealing in New York City typically runs $850 to $2,400 for whole-system work, with most jobs completed in one visit. CleanRun Air Duct Cleaning is an independent Rotobrush service provider - not affiliated with the manufacturer - and we quote a written price before any panel comes off. If you own a Rotobrush system or your ducts were cleaned with Rotobrush equipment and you’re seeing gaps, tears, or disconnected runs, call (806) 606-6902 and we’ll schedule a camera-first inspection.

Call (806) 606-6902

This page is for New York City homeowners who want to know what actually fails on Rotobrush-installed ductwork, what repair costs, and what a proper fix looks like on camera. We built our whole business on showing you the inside of your ducts before asking you to spend a dollar.

How Rotobrush Products Fail - and How We Fix Them

Rotobrush built its name on portable duct cleaning machines, but the ductwork those machines service is where the long-term problems live. Here’s what we see across New York City homes:

• Flex duct compression at the boot connection. On the Rotobrush aiR+ and RotoStorm systems, the negative-pressure extraction pulls hard enough to expose weak connections where flex duct meets the boot. The inner liner collapses inward after years of that stress. We see this in pre-war conversions all over Queens and Brooklyn. The fix is cutting back the compressed section and re-attaching with a proper mastic seal at the collar, not tape.
• Punctures from the cleaning access holes. Rotobrush equipment sometimes requires access cuts into the plenum or trunk line. When those cuts are poorly sealed afterward, you get conditioned air dumping into wall cavities. We find these with the camera and reseal with mastic or a sheet metal patch, depending on the hole size.
• Mastic failure at the plenum-to-trunk junction. In New York City steam-heat buildings, the temperature swings between heating season and summer cooling cause the original mastic to crack and separate from the sheet metal. This shows up as dust streaks on the register covers and a musty smell when the system first kicks on. We remove the old mastic, clean the surface, and apply a full-seam re-seal.
• Disconnected flex runs after building settlement. Older New York City homes shift. A flex run that was tight in 2008 can be hanging loose from its collar by 2026, blowing conditioned air into the joist bay. The camera finds the disconnect, we re-secure with a stainless clamp and mastic, and we photograph the finished connection.
• Torn inner liner on aging R-8 flex. The Rotobrush brush systems are calibrated for clean duct surfaces, but on flex that’s past its useful life, the inner liner tears during the cleaning pass. If the camera shows a tear, we don’t clean it again - we replace that run. A torn liner means fiberglass insulation is now in the airstream.

Our Rotobrush Duct Repair & Sealing Process

Every job follows the same sequence, because we want you to see the problem before we talk about the fix.

1. 1
   We inspect first, camera in the duct. Before anything else, Tomas runs the camera through every accessible run. You see the monitor. You see the tear, the gap, the disconnected collar. Nothing is described to you secondhand.
2. 2
   We write the scope and the price. Haven Standard Clause 1: written price before any work starts. You’ll see exactly what we’re repairing, the materials we’ll use, and the total. No open-ended hourly repair charges.
3. 3
   We confirm the parts decision. For Rotobrush equipment and ductwork, we explain where OEM matters and where a quality aftermarket part does the same job for less. You approve before we order anything.
4. 4
   We make the repair with the right material. Mastic at every seam and collar. Stainless clamps on flex. Sheet metal where sheet metal belongs. No tape as a primary seal, ever.
5. 5
   We test for leaks. After the repair, we run the system and check every repaired connection with a smoke pencil or pressure readout. If air is moving where it shouldn’t be, we keep working until it isn’t.
6. 6
   You get the photo record. Every repaired run is photographed before and after. That record is yours, delivered at the end of the job, along with the written warranty.

Before

After

What Rotobrush Duct Repair & Sealing Costs in New York City

Here are the numbers we quote most often in New York City, based on what the camera actually shows:

• Single flex-duct replacement (25-foot run, R-8): $450 to $750
• Plenum-to-trunk re-seal with mastic: $350 to $600
• Re-attach disconnected flex run at the boot or collar: $250 to $550
• Full-system duct sealing (all accessible seams and collars, up to 2,500 sq ft home): $1,400 to $2,400
• Duct insulation wrap on a trunk line (visible in basement or attic): $550 to $950

What moves the price: total linear feet of duct, ceiling height, access difficulty (a duct in a finished basement soffit costs more than an open basement joist bay), and whether any runs need full replacement instead of repair. You’ll know your exact number before we touch a seam. Call (806) 606-6902 and we’ll do a free on-site inspection with a written quote.

Why New York City Homeowners Call CleanRun Air Duct Cleaning for Rotobrush Work

We’ve been doing this since 2013, and the approach hasn’t changed: camera first, written price second, work third. The photo tells you what’s in there. Everything else is just paperwork.

Our techs work on Rotobrush systems every week, and they also handle ductwork tied to Lennox, Trane, and Carrier equipment - so if the issue turns out to be at the air handler connection, we’re not calling in someone else. Every job is backed by the 365-Day Done Right Promise in writing. If it’s not right, we make it right; that’s Haven Standard Clause 6, not a marketing line. And every repair concludes with a Documented Photo Record of every run we touched, so you’re not taking our word for anything.

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