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.
Before
After
Before
After
Before
AfterFast, Reliable Air Duct Repair Across Lawrence
If your forced-air system in Lawrence is blowing weak, spitting dust, or making that hollow rattling sound behind the walls, the odds are high you don’t just need a cleaning. You need repair. Since 2018, thousands of homes in Lawrence were converted from steam radiators to forced air in a matter of months, and much of that ductwork was run through wall cavities that were never built for it. We repair that. Call (980) 447-2498 for an honest assessment, a written price before any work begins, and a repair that is guaranteed in writing for 365 days.
Why Linden Air Duct Cleaning Is Lawrence’s Preferred Air Duct Repair Company
Lawrence homeowners don’t need a generic duct cleaner. They need a company that understands why a triple-decker on Amesbury Street has different duct problems than a split-level in Andover. Our techs have spent years opening up retrofit ductwork in pre-war wood-frame houses across Lawrence, from the Acre to Tower Hill, and we know exactly what post-2018 emergency installations look like when they start failing: crushed flex runs, disconnected collars, and register boots that were never sealed. That local knowledge means we diagnose faster and fix it right the first time.
Every technician who comes to your door in Lawrence is background-checked, identity-verified, and introduced to you by name and photo before the visit. When they arrive, they show a photo ID badge at the door. That is the Threshold Standard, and it matters in a city where homeowners opened their doors to a lot of contractors after 2018 and not all of them deserved the trust. Led by Marcus Veale, our team has served homeowners since 2004. We answer our phones with a live person 24/7, and we put every repair price in writing before we touch a single duct.
HVAC Duct Installation in Lawrence
HVAC Duct Installation in Lawrence almost always means working inside a home that was never designed for ductwork. When we install new duct runs here, we are usually replacing flex duct that was hurried through a 1920s triple-decker basement, over old steam pipes, and up through a lath-and-plaster wall chase that was never meant to carry air. A typical HVAC duct installation in Lawrence runs between $2,400 and $6,800, depending on how many runs we replace and how much of the old material has to come out through tight basement access.
Replacing Crushed Runs in Retrofit Cavities
In Lawrence’s older wood-frame houses, we routinely find flex duct kinked at sharp angles where installers forced it around original framing. That kink can cut airflow to a room by half. We pull the crushed section, replace it with rigid hard duct where the cavity allows, and seal every joint with mastic, not tape.
Sealing and Supporting What’s Already There
Not every Lawrence duct installation starts from scratch. Many homeowners have ductwork that is salvageable but sagging, disconnected at the boots, or leaking at the plenum. We re-support the runs, reconnect slipped collars, and seal the system so the air you pay to heat or cool actually reaches the register instead of the basement.
Air Duct Replacement in Lawrence
Air Duct Replacement in Lawrence is not a “take it all out and start over” job in most homes. It is a targeted repair: one or two runs that are beyond salvage, replaced with new hard duct or properly supported flex, while the rest of the system stays in place. A typical air duct replacement in Lawrence runs between $1,800 and $5,200 per run replacement project, depending on accessibility and whether we need to open a wall or ceiling to reach the damaged section. Emergency retrofit installations left a lot of duct in places no one can easily reach, and replacing it properly takes time and care.
Flex Duct From the Post-2018 Conversions
The flexible ducting used in the post-2018 Lawrence retrofits has a limited lifespan, especially when it was run through uninsulated dirt-floor basements. Condensation from Merrimack River valley humidity sits inside those runs every spring and fall, degrading the liner and feeding mold. When we replace it, we use insulated flex or rigid duct and route it so it drains properly.
Hard Duct for High-Static-Pressure Systems
Some Lawrence furnaces are oversized for the small rooms they serve, which pushes static pressure high enough to pop collars and leak at every seam. In those homes, we replace the worst sections with appropriately sized hard duct and re-verify blower motor amp draw, so the system runs within manufacturer spec instead of fighting itself.
Trusted Brands We Service in Lawrence
We work on all major duct materials and equipment brands found in Lawrence homes, and we stock common parts locally so we are not waiting on a warehouse. We also offer Dryer Vent Cleaning - Lawrence to keep your full ventilation system safe. Our techs use professional-grade Rotobrush and Nikro inspection and sealing equipment, and we recommend air-quality products from Aprilaire and Guardsman when a repair reveals a deeper indoor-air problem. Whether the existing ductwork is sheet metal, flex, or fiberboard, we match the repair to what is already in your house, and we never sell a replacement when a seal and re-support will do the job.
Common Air Duct Repair Problems We See in Lawrence Homes
- Disconnected collars at the air handler. In hurried post-2018 conversions, the flex duct was often attached to the plenum with a zip tie and a hope. When that collar slips, heated or cooled air dumps into the basement, and rooms upstairs starve. We find this in Lawrence weekly.
- Flex duct crushed behind original plaster walls. The installers punched holes through lath-and-plaster, ran flex at a sharp angle, and the duct flattens over time. You can’t see it, but the room on the other side of that wall stops heating. A camera inspection finds it in minutes.
- Basement condensation feeding mold in uninsulated flex. The Merrimack River valley’s humidity spike in spring and fall causes sweating on cold duct surfaces in dirt-floor basements. That moisture soaks into uninsulated flex liner, and mold follows. We replace the affected runs and add a dehumidifier recommendation.
- Leaking register boots and wall stack connections. Where forced air was retrofitted into houses built for radiators, the boot connections to second-floor registers were rarely sealed. Air leaks into the wall cavity, and dust from the original lath-and-plaster gets pulled into the airflow every time the blower kicks on.
Pricing for Air Duct Repair in Lawrence, MA
You should know what a repair will cost before you agree to it, and we give every Lawrence customer a written price before any work begins. Minor repairs, like reconnecting a slipped collar or sealing a plenum seam, typically run $180 to $450. Replacing a crushed flex run behind a wall in a Lawrence triple-decker usually runs $650 to $1,600, depending on how much access we need. A full duct replacement across several runs in a post-2018 retrofit can run $2,400 to $6,800. We do not charge by vent, and we do not offer a low coupon price and then inflate the invoice later. You get one flat price per repair in writing, and it is what you pay. Call (980) 447-2498 for a free estimate, and we will walk you through exactly what the job needs.
We Also Serve Cities Near Lawrence
If you live just outside Lawrence, we cover Andover, Haverhill, Lowell, and Wilmington as well. Our Air Duct Repair team serves the entire Merrimack Valley, with local scheduling for residents across the Lawrence area. Whether your home is a converted triple-decker or a newer split-level, the same written pricing and 365-Day Done Right Promise applies.
Serving Lawrence, MA - Our Local Coverage Area
We’re based in the Lawrence 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 Lawrence
Because thousands of Lawrence homes had forced-air systems installed in emergency conditions after the Merrimack Valley gas disaster, and those systems are now reaching the age where rushed work starts to fail. The pre-war triple-deckers that dominate Lawrence were built for steam radiators, not ductwork, and the retrofit runs went through wall cavities and basements that were never designed for them. Flex duct kinks, collars slip, and sealing fails. We see it every week. Call (980) 447-2498 for an inspection if you suspect your system is from that first wave of conversions.
Sometimes, but not always, and you should be wary of anyone who says otherwise. Ductwork buried in the original wall cavities of a Lawrence triple-decker is often impossible to clean thoroughly through a register opening. What we can do is run a camera inspection to see the actual condition, then open a targeted access point if a section needs replacement or repair. We do not promise a deep clean of duct we cannot reach, and we will tell you plainly what is and is not possible before any work is done.
It starts with a camera inspection of the runs you are concerned about, plus a static-pressure check at the air handler. If we find a crushed or disconnected flex run, we show you the camera footage before we cut anything. Then we replace or re-route the damaged section, seal the connections with mastic, and verify airflow at each register on the affected run. You get a written report of what was found and what was done, and the repair is guaranteed in writing for 365 days.
Because the Merrimack River valley pushes humidity through Lawrence basements during those seasonal transitions, and cold duct surfaces in unheated dirt-floor basements sweat. That condensation soaks into uninsulated flex duct liner, and mold grows inside the run where you cannot see it. The fix is replacing the affected flex with properly insulated duct and reducing basement humidity with a dehumidifier. We can also apply antimicrobial treatment to the surrounding surfaces during the repair. Call (980) 447-2498 to schedule an inspection before the next seasonal transition.
Look for these signs: some rooms never reach the temperature on the thermostat, registers blow dust even right after a cleaning, the air handler runs constantly but the house stays uncomfortable, or you hear rattling and popping from behind the walls when the blower starts. Those are mechanical problems, not dirt problems. A standard Air Duct Repair assessment with a camera inspection will confirm what is happening. That is the honest first step in Lawrence, and it is the only way to know for sure.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Lawrence, MA with verified, accountable air duct service since 2004.
Contact Linden Air Duct Cleaning in Lawrence
If your ducts are failing in a Lawrence home built long before forced air ever existed, we can help. Call (980) 447-2498 for a free estimate, and a live person will answer, day or night. You will get a written price before any work begins, a photo of your technician before they arrive, and a 365-Day Done Right Promise on every repair we make. That is the standard we hold in Lawrence, and it is not negotiable.