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 Cleaning Across Cambridge
Air duct cleaning in Cambridge, MA typically runs $450-$850 for a whole-home system and $180-$340 for targeted supply or return line cleaning, with most jobs scheduled within a few business days. Morton’s Air Duct Cleaning has served Cambridge families since 2005, and our crews know the city’s triple-deckers, Victorians, and brick rowhouses inside and out. Dispatch and scheduling are coordinated from our Boston office, but the technicians who arrive at your door live and work in the Cambridge area. Call (323) 918-4345 for a free written estimate before any work starts.
Why Morton’s Air Duct Cleaning Is Cambridge’s Preferred Air Duct Cleaning Company
Cambridge homeowners call us back because we treat their homes the way we’d want our own treated. Shoe covers and drop cloths go down before the first tool comes out of the van. We work around nap schedules in Porter Square condos and keep the noise down in Inman Square apartments where walls are thin. Every technician is background-checked, arrives in uniform, and follows the Cedarwell C.A.R.E. values on every visit.
Our 365-Day Done Right Promise isn’t a slogan stamped on a magnet. It’s printed on every work order. If something isn’t right, we make it right. Full stop. We’ve built our Cambridge reputation on that, plus one flat price per system agreed before work starts. No per-vent add-ons. No surprises when the invoice arrives.
A live person answers our phone 24/7. Not a chatbot, not a callback queue. A real human who can schedule your Cambridge appointment, answer questions about what we’ll find in your ducts, and send you a written estimate. And before our crew leaves, you’ll get a photo of the clean-up so you can see the work was done and your home was left better than we found it.
Air Duct Cleaning Services in Cambridge
Air Duct Cleaning Services in Cambridge require more than running a brush down a straight duct line. Most Cambridge homes weren’t built for forced air. The triple-deckers in North Cambridge, the converted Victorians in Riverside, and the brick rowhouses near Central Square had steam radiators originally. When HVAC arrived in the 1970s through 1990s, installers improvised. They ran flex duct through old chimney chases, snaked lines between plaster ceiling voids, and squeezed returns into closet walls. Our job starts with finding those hidden runs, then cleaning them properly.
A typical residential air duct cleaning in Cambridge runs $450-$850 for a full system, depending on how many units share the mechanical space and how convoluted the duct path is. We use Rotobrush agitation tools and Nikro negative-pressure HEPA collection systems, not rental shop vacs, because Cambridge’s tight retrofit ducts need equipment that can pull debris through bends that were never designed for airflow.
Supply Duct Cleaning
Supply ducts push conditioned air into your rooms, but in Cambridge triple-deckers they often terminate in floor registers that have been painted over three times since 1985. We remove those registers carefully, scope the line with a camera, and agitate the full length. If the duct runs through a sealed chimney chase, we locate the original installer’s access point rather than cutting new holes.

Return Duct Cleaning
Return ducts pull air back to the handler, and in Cambridge’s multi-family buildings they’re where we find the heaviest buildup. Shared return plenums between separately metered units collect debris from every apartment. We seal our work zone with negative pressure so nothing migrates to your neighbor’s unit.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
HVAC Duct Cleaning in Cambridge
HVAC Duct Cleaning in Cambridge means dealing with systems that were never designed as unified whole-house installations. The air handler might live in a basement that floods in spring. The main trunk could run through a plaster ceiling void with no access panel. The flex duct might be original 1980s material, brittle and partially crushed. We assess all of this before we quote, because cleaning a duct that’s disconnected or collapsed doesn’t solve anything.
Targeted HVAC duct cleaning for a single line or problem zone in Cambridge typically runs $180-$340. Full system cleaning with video inspection, access door installation, and sealing of chimney-chase trunks runs $650-$850. We use Abatement Technologies portable HEPA units and Honeywell airflow measurement tools to verify we’ve actually improved your system’s performance, not just made it look cleaner at the register.
Video Inspection
We scope every hidden trunk line before and after cleaning. In a Cambridgeport triple-decker off Pearl Street, we followed a stubborn musty odor to a sealed chimney chase where the main trunk ran horizontally with no access panel. After cutting a small inspection opening and scoping with a camera, we found decades of compacted dust and old rodent nesting, then used agitation tools under negative pressure to pull the debris out and sealed the chase with an access door for future service.
Full System Cleaning
A full system clean covers supply ducts, return ducts, the air handler cabinet, and the blower assembly. In Cambridge’s older buildings we often find the blower coated in fine dust that bypassed a long-neglected filter. We clean that too, because a clean duct connected to a dirty blower just recontaminates itself.
Trusted Brands We Service in Cambridge
We stock parts and service equipment from Nikro, Honeywell, Aprilaire, and Abatement Technologies, which means most Cambridge jobs don’t wait on shipped components. If your system uses a Honeywell electronic air cleaner or an Aprilaire media filter, we can service or replace it during the same visit. Our Nikro portable HEPA collectors are rated for asbestos and lead abatement work, so they’re more than adequate for the fine plaster dust and old insulation we encounter in Cambridge’s pre-WWII housing stock. Fast turnaround matters when you’re living with a musty smell or weak airflow, and keeping common parts on the van lets us finish most jobs in a single day.
Common Air Duct Cleaning Problems We See in Cambridge Homes
- Hidden trunk lines in sealed chimney chases. Cambridge’s retrofit HVAC installers often ran the main trunk horizontally through what was once a plaster ceiling void or a sealed chimney flue. Access panels are either absent or were plastered over by later renovation, so scoping the duct requires locating the original installer’s improvised entry points, sometimes hidden behind kitchen cabinets or inside bedroom closets.
- Mold in poorly insulated wall cavities. Cambridge’s cold, humid winters and muggy summers create persistent condensation risk inside ductwork, especially in the poorly insulated wall cavities where retrofit ducts often run. We find active mold colonization in these spaces more often than in purpose-built suburban homes with proper duct chases.
- Heavy pollen infiltration from dense tree canopy. The high density of trees in neighborhoods around Harvard and in North Cambridge drives spring pollen loads that clog return grilles and migrate into duct interiors faster than in more open suburban environments. Cambridge homes often need more frequent return-side cleaning.
- Cross-contamination between units in triple-deckers. Using insufficient negative pressure and HEPA filtration when working in tight, multi-story triple-deckers can cause debris to migrate between separately metered units. We seal our work zone and maintain continuous negative pressure to prevent this.
Pricing for Air Duct Cleaning in Cambridge, MA
Whole-home air duct cleaning in Cambridge typically costs $450-$650 for a straightforward single-family or condo system with accessible ducts. Jobs in triple-deckers and converted Victorians with hidden chimney-chase trunks, multiple units, or the need for access door installation run $650-$850. Targeted cleaning of a single supply or return line runs $180-$340. Dryer vent cleaning, which we often pair with duct cleaning in Cambridge’s multi-unit buildings, adds $120-$180.
What moves the price: the number of separate duct runs, whether we need to locate and open sealed access points, the condition of the original duct material, and whether we find disconnected or crushed lines that need repair before cleaning is worthwhile. We give you one flat price per system, agreed in writing, before any work starts. No per-vent pricing. No add-ons after we’re in your home. Call (323) 918-4345 for a free estimate.
We Also Serve Cities Near Cambridge
Our crews work throughout the metro area, and we regularly schedule Air Duct Cleaning in Cambridge alongside jobs in Somerville, Belmont, Medford, and Boston. If you’re in a neighboring city and your home has the same pre-WWII housing stock with retrofit ductwork, we bring the same specialized equipment and the same written-price guarantee. Call (323) 918-4345 and we’ll coordinate timing that works for your area.
Serving Cambridge, MA - Our Local Coverage Area
We’re based in the Cambridge 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 Cleaning in Cambridge
Cambridge’s pre-WWII housing stock was built for steam heat, not forced air, so HVAC was retrofitted through chimney chases, plaster voids, and closet walls that offer no straight access. Our technicians must first locate hidden trunk lines, sometimes cutting small inspection openings, before cleaning can begin. A suburban ranch with purpose-built ductwork might take two hours; a Cambridge triple-decker with sealed chimney-chase trunks often takes four to six. Call (323) 918-4345 for a time estimate specific to your building.
If your building got forced air in the 1970s-1990s and there’s no service record, the ducts are probably original. Signs include weak airflow at distant registers, musty odors when the system starts, visible dust puffing from vents, and floor registers that have been painted over multiple times. In Cambridge’s triple-deckers, we frequently find systems that haven’t been touched since installation. We’ll scope the lines and show you what we’re dealing with before we quote.
We avoid cutting whenever possible. Our first step is locating the original HVAC installer’s access points, which are sometimes hidden behind kitchen cabinets or inside bedroom closets. If no access exists and the trunk line runs through a sealed chimney chase or plaster void, we may cut a small, strategic inspection opening that we seal with a proper access door for future service. We discuss this with you before any cutting happens, and it’s included in your written price.
Cambridge mold in ducts typically appears as dark spotting or fuzzy growth on the interior of flex duct or galvanized metal, often accompanied by a musty, earthy smell when the system runs. It’s common because Cambridge’s cold, humid winters and muggy summers create condensation inside poorly insulated wall cavities where retrofit ducts run, and because many of these systems have never been cleaned, providing decades of organic material for mold to feed on. We document what we find with camera footage and can recommend sealing and insulation solutions beyond cleaning.
NADCA standards require containment of dislodged debris and protection of the home during cleaning, which matters more in Cambridge’s tight, multi-unit buildings than in spacious suburban homes. Negative pressure HEPA collection ensures that dust and mold spores we agitate from your ducts are captured at the source, not released into your living space or your neighbor’s. In triple-deckers with shared mechanical spaces and separately metered units, this isn’t optional. It’s how we protect your home and the Cedarwell Care Promise we work to on every job.
Ready to see what’s actually in your ducts? Call Morton’s Air Duct Cleaning at (323) 918-4345 for a free written estimate. We’ll ask about your building type, explain what our crew will likely find, and give you one flat price before anyone touches a tool. Our Air Duct Cleaning team serves Cambridge with the 365-Day Done Right Promise, background-checked uniformed technicians, and the quiet, careful approach that families with kids and pets deserve.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Cambridge since 2005.




Before
After
Before
After
Before
After