Whole-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.
Fast, Reliable Air Duct Repair Across Somerville
Air duct repair in Somerville usually means fixing a crushed flex duct behind a finished closet wall, resealing a leaky joint in a converted triple-decker, or replacing a corroded section running through an uninsulated basement. Most Somerville repair jobs run between $275 and $680, depending on access and the length of the damaged run. If you’ve noticed weak airflow, whistling from the registers, or dust settling back onto furniture within days of wiping it down, call Linden Air Duct Cleaning at (980) 447-2498. We work on retrofitted duct systems across Somerville every week, including the cramped, non-standard runs that come with triple-decker condo conversions.
Why Linden Air Duct Cleaning Is Somerville’s Preferred Air Duct Repair Company
Somerville’s housing stock is not like the suburbs. Most of the ductwork we repair here was installed decades after the building was built, threaded through walls, ceilings, and chases that were never designed to hold it. That changes how a repair should be approached. Our Air Duct Repair team has spent years navigating the specific problems that come with wood-frame triple-deckers, dropped ceilings in East Somerville condos, and shared party-wall chases near Davis Square. We know what’s behind the drywall before we open it, because we’ve seen these building patterns hundreds of times.
Marcus Veale, who leads our crew, has built the company around one principle: the person walking through your door should be exactly who we said it would be, and the price we quoted should be the price you pay. Every technician is background-checked, identity-verified, and sent to you by name and photo before the visit. At the door, they show a photo ID badge. That’s the Threshold Standard, and it isn’t optional. It’s how we’ve operated since 2004 as part of the Threshold Group family.
Somerville homeowners tell us the same thing over and over: they’ve had companies quote a low number, then pad the invoice once the van is parked outside. We don’t do that. The price is written down before any work begins. Every repair carries a written 365-Day Done Right Promise. If the repair fails within that window, we come back at no charge. No fine print about what “fails” means. If it doesn’t hold, it’s on us.
Air Duct Replacement in Somerville
Air Duct Replacement in Somerville typically runs $400 to $1,200 per section, depending on whether we’re replacing a short flex run behind a bedroom closet or a longer stretch of rigid duct through a basement ceiling. The job involves removing the damaged or collapsed section, sizing a proper replacement, installing it with sealed joints, and often re-insulating the run where it passes through unconditioned space. In triple-deckers, we’re usually working in tight quarters, which is why our technicians carry compact tools and camera inspection equipment that fits into access openings smaller than a shoebox.
Replacement is the right call when a duct is collapsed beyond repair, corroded from years of condensation in a cold basement, or so contaminated with post-construction debris that cleaning won’t restore it. If a previous gut rehab left flex duct pinched behind a wall, patching it won’t help. The restriction has to come out.
Crushed Runs Behind Finished Walls
We see this constantly in Somerville condos converted in the last 10 to 15 years. A contractor installs flex duct, the drywall crew comes through, and the duct gets pinned between a stud and a party wall. Airflow drops, the blower motor strains, and the homeowner hears a whistling sound. Replacing that section means opening a controlled access panel, cutting out the crushed length, and installing rigid duct that won’t collapse. We patch the wall cleanly afterward.
Post-Rehab Debris in New Ductwork
In flipped triple-deckers near Assembly Row and East Somerville, brand-new duct systems often carry drywall dust, fiberglass fragments, and construction scrap from the renovation itself. The ducts were installed before finish work wrapped up, and nobody cleaned them before the first tenant moved in. Replacing visibly loaded sections and cleaning the rest is sometimes the only way to get the system to stop circulating that dust through the living space.
Ductwork Repair in Somerville
Ductwork Repair in Somerville covers the leaks, separated joints, sagging supports, and condensation damage that reduce system efficiency and push dust into your rooms. Most repairs in this market run $180 to $520, with the majority falling between $250 and $400. The work usually involves sealing joints with approved mastic or metal tape, re-securing hanging supports, patching small punctures, and wrapping cold runs with insulation where condensation is forming. It’s not glamorous, but it’s the difference between a system that heats the whole unit and one that dumps half its output into a basement or crawlspace.
Older retrofitted systems in Somerville leak more than purpose-built ductwork. The connections were often improvised during condo conversions, and decades of heating-season expansion and summer humidity have worked those joints loose. Sealing them properly extends blower motor life and lowers heating costs during the long Boston-area winter.
Sealing Leaks in Party-Wall Runs
Duct segments routed through shared walls between units are hard to reach, which is why they’re rarely sealed properly during installation. We use camera inspection to locate the leak, then seal it from whichever side is accessible. In many cases, we can reach the joint through a register opening without cutting new access.
Condensation Damage in Basement Ducts
Somerville basements are cold and often damp. Uninsulated duct runs passing through them sweat during muggy summers, and that moisture eventually rusts the metal and feeds mold on accumulated dust. Our repair process includes cleaning the affected area, treating for mold when present, sealing the leak or hole, and re-insulating to stop future condensation. We follow NADCA standards for the sealing and insulation work.
Trusted Brands We Service in Somerville
Our techs work on every major brand found in Somerville homes, and we stock common repair parts for Rotobrush and Nikro equipment, plus filtration and air-quality products from Abatement Technologies and Guardsman. When a repair needs a specific fitting or replacement section, we can usually source it same-day from our local supplier network. You won’t wait a week for a part that a Somerville hardware distributor has on the shelf. If your system needs a new filter housing, a replacement access panel, or a sealing kit, we’ll tell you the exact part and cost before ordering.
Common Air Duct Repair Problems We See in Somerville Homes
- Crushed flex duct behind closets and dropped ceilings. The most common failure in retrofitted triple-deckers. A duct gets pinned during finish work, airflow collapses, and the blower motor strains against the restriction. We fix it by replacing the damaged section with rigid duct and sealing the joints.
- Construction debris in post-rehab systems. Drywall dust, fiberglass fragments, and drywall screws end up inside ducts installed before finish work was complete. In flipped units near Union Square and Winter Hill, we regularly clean packed debris out of brand-new systems before the first tenant has spent a week there.
- Leaky joints in shared party-wall chases. Ducts running through walls shared between units were often never sealed properly. Conditioned air bleeds into the wall cavity, and dust from inside the chase gets pushed into the living space. Camera inspection finds the leak; targeted sealing stops it.
- Condensation and mold in uninsulated basement runs. Cold, damp Somerville basements cause warm ductwork to sweat all summer. Over time, that moisture corrodes the metal and supports mold growth in the dust lining the duct. The fix always includes re-insulation, not just a patch.
Pricing for Air Duct Repair in Somerville, MA
Here’s what you can expect to pay in Somerville, based on the jobs we handle most often. A basic joint sealing or small leak repair runs $180 to $320. Replacing a crushed or collapsed flex duct section typically costs $350 to $680. Full air duct replacement for a single run in a converted triple-decker runs $400 to $1,200. Whole-system replacement in a larger condo or single-family home starts around $1,800 and depends on the number of runs and access difficulty. Every invoice is a single number, agreed in writing before work starts. No per-vent add-ons, no surprise line items at the end of the job.
Call (980) 447-2498 for a free estimate. We’ll ask a few questions about your system, give you a written price range before we schedule, and confirm the exact number after a camera inspection. You’ll know the full cost before we cut any access panels.
We Also Serve Cities Near Somerville
If you’re just over the line, we also cover Air Duct Repair in Somerville and the surrounding communities of Cambridge, Medford, Boston, and Everett. Our crews move through the whole metro area daily, so scheduling a visit in a neighboring city follows the same process: a phone call, a written quote, and a technician you’ll recognize at the door.
Serving Somerville, MA - Our Local Coverage Area
We’re based in the Somerville 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 About Air Duct Repair in Somerville
Yes. We do this regularly in Somerville triple-deckers. The process involves camera inspection to confirm the exact location of the crush, cutting a controlled access panel in the finished wall, removing the damaged flex section, and installing rigid duct that won’t collapse. We patch the drywall afterward and leave the space clean. The price is quoted in writing before we cut, so you’ll know exactly what the repair costs before any wall work begins. Call (980) 447-2498 for an estimate.
Shared dryer vent stacks are repaired by first scoping the entire run with a camera to identify the blockage or break, then accessing the damaged section through whichever unit gives the cleanest route. In many triple-deckers, the vent runs vertically through a masonry chase serving multiple floors, and lint accumulation from all connected units packs the lower section. We coordinate with the building owner or condo association when access crosses unit lines, and the repair includes resealing the run and confirming proper airflow to the exterior termination point.
Yes, and this is one of the most common calls we get from condo owners near Union Square, East Somerville, and the Assembly Row corridor. Ducts that were installed mid-rehab and never cleaned before occupancy carry drywall dust, sawdust, and fiberglass fragments. We clean the entire system with negative-pressure extraction, then camera-inspect to confirm the dust is gone. If any sections are too loaded or damaged to clean properly, we’ll tell you and quote a replacement for just those runs.
A struggling air handler after a duct repair usually means the repair changed the system’s static pressure, often because a section was replaced with undersized duct or a new filter with higher resistance was installed. In retrofitted Somerville systems, this is a warning sign that shouldn’t be ignored. A blower motor working against excess resistance runs hot and can fail early. We’ll measure static pressure and amp draw, which is exactly what Marcus Veale and our team did on a job off Broadway in East Somerville where a crushed flex duct was replaced. After installing rigid duct and sealing the joints, the blower’s amp draw dropped back to manufacturer spec and the whistling stopped.
Yes. Triple-decker duct systems were almost always retrofitted into buildings designed for steam or hydronic heat, so the runs are cramped, irregular, and often inaccessible through standard service panels. Repairs usually require camera inspection to locate problems behind finished surfaces, controlled access cuts instead of open basement access, and careful coordination when ducts run through party walls shared with another unit. Newer suburban homes have purposeful duct chases with access points built in. Somerville work is closer to surgical work than a standard swap-out. Our techs expect that before they arrive, and the quote accounts for it.
Call Linden Air Duct Cleaning for Air Duct Repair in Somerville, MA
If your Somerville home has noisy ducts, weak airflow, dust returning days after cleaning, or a post-renovation smell coming through the registers, call (980) 447-2498. We’ll schedule a camera inspection, give you a written quote before any work begins, and send a technician whose name and photo you’ll have before they knock on the door. Every repair is covered in writing for 365 days. If it doesn’t hold, we come back. It’s that straightforward.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Somerville with the Threshold Group family since 2004.




Before
After
Before
After
Before
After