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 Waltham
Air duct cleaning in Waltham typically runs $350-$650 for a full residential system, with most jobs completed in a single scheduled visit. We dispatch crews to Waltham from our Boston office, and we’ve worked the full range of local housing here - from the converted triple-deckers near Moody Street to the post-war Cape Cods off Trapelo Road. Call (323) 918-4345 for a free written estimate before any work starts.
Our Air Duct Cleaning team knows Waltham’s buildings well. The mill-era housing stock, the humidity pockets along the Charles, and the retrofitted ductwork that so many homeowners inherited all change how we approach each job. We don’t use a one-size-fits-all checklist. We look at what your system actually is, where it runs, and what it’s been through.
Why Morton’s Air Duct Cleaning Is Waltham’s Preferred Air Duct Cleaning Company
We’ve been part of the Cedarwell family since 2005, and our Waltham customers come back because we treat their homes like we would our own. Shoe covers and drop cloths are standard on every visit - no exceptions. Our technicians are background-checked, uniformed, and trained to work quietly around nap schedules and pet areas.
Every job starts with a written price agreed before any equipment touches your system. No per-vent add-ons, no surprises on the final invoice. Our 365-Day Done Right Promise means if something isn’t right, we make it right. Full stop. A live person answers our phone 24/7, and every crew leaves a photo of the clean-up so you can see the work was done properly.
Dispatch and scheduling are coordinated from our Boston office, but the crews serving Waltham live and work locally. They know the difference between a purpose-built colonial off Waltham Street and a converted mill-worker’s single on Maple Street, and they adjust their approach accordingly.
Air Duct Cleaning Services in Waltham
Air Duct Cleaning Services in Waltham cover the full removal of dust, debris, and microbial contamination from your supply and return ductwork using professional-grade equipment. A typical residential job in Waltham runs $350-$550 for a standard single-system home, while larger homes or systems with multiple zones can reach $650. Commercial duct cleaning for Waltham’s Route 128 corridor offices and labs generally starts around $800 and scales with system complexity.
We recommend cleaning every 3-5 years for most Waltham homes, sooner if you’ve had water intrusion, renovations, or notice persistent dust or musty odors. Our crews use Rotobrush agitation systems and Nikro HEPA-filtered collection units, not rental shop vacs, to capture debris at the source.
Residential Duct Cleaning
Our residential service covers all supply and return branches, the main trunk lines, and the air handler cabinet. In Waltham’s older homes, we pay special attention to register boxes that were cut into plaster-and-lath walls during retrofit conversions - these often leak and pull debris from wall cavities into your air.

Commercial Duct Cleaning
Waltham’s biotech and pharma tenants along Route 128 often need documented IAQ compliance. We provide before-and-after photo documentation, moisture logs where relevant, and detailed scope reports that satisfy facilities managers and insurers alike.

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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
HVAC Duct Cleaning in Waltham
HVAC Duct Cleaning in Waltham addresses the complete forced-air system - not just the visible vents, but the full network of supply ducts, return plenums, and the air handler itself. A full system cleaning in Waltham typically costs $450-$650, with video inspection adding $75-$125 if you want to see inside your ducts before and after.
This service matters most when your system has been stressed by water, age, or the particular conditions of Waltham’s housing stock. The retrofitted ductwork in downtown triple-deckers, the humidity from the Charles River in Riverside, and the sealed-tight construction of newer homes all create different cleaning challenges.
Video Inspection
We feed a camera through your ductwork to show you exactly what’s inside - standing water, fibrous liner degradation, debris buildup, or gaps in duct sealing. This footage becomes part of your job record and can be critical documentation for insurance claims after a flood or storm.
Full System Cleaning
Full system means full system: every accessible supply branch, return trunk, and the air handler interior. We seal registers during cleaning to maintain negative pressure, and we protect your floors and furniture with drop cloths from the moment we arrive.
Trusted Brands We Service in Waltham
Our crews arrive with professional equipment from Rotobrush, Nikro, and Abatement Technologies - the brands that facilities managers along Waltham’s Route 128 corridor specify for their own buildings. We don’t use entry-level rental gear that recirculates fine particulate back into your home. Our HEPA-filtered collection systems capture debris at 99.97% efficiency at 0.3 microns, and our agitation tools break loose buildup that compressed air alone won’t touch. For Waltham customers, this means the job gets done once, done thoroughly, and documented with before-and-after photos you can keep for your records.
Common Air Duct Cleaning Problems We See in Waltham Homes
- Retrofitted ductwork in balloon-frame cavities. The triple-deckers near Moody Street and South Street were originally steam-heated; when forced air was added, ducts were run through exterior wall cavities with no vapor barrier. In winter, cold sheathing makes the duct exterior sweat, accelerating rust and microbial growth that standard cleaning can’t fully address.
- Humidity-saturated basement plenums in Riverside. The Charles River’s localized humidity in low-lying Waltham neighborhoods elevates condensation risk in basement return-air plenums. Even minor water events can turn into persistent microbial problems if the system isn’t dried and cleaned within the proper window.
- Leaky register boxes in plaster-and-lath walls. Downtown mill-era conversions often have poorly sealed register cutouts that pull insulation fibers and wall cavity debris into supply air. After storms or floods, this migration worsens dramatically.
- Post-flood moisture trapped in fibrous duct liner. When water reaches the interior of lined ductwork, the material acts like a sponge. Cleaning agitation without full drying can spread contamination rather than remove it - the reason we document saturated sections as non-salvageable.
Pricing for Air Duct Cleaning in Waltham, MA
Here’s what air duct cleaning costs in Waltham’s current market:
| Service | Typical Range |
|---|---|
| Standard residential duct cleaning (single system) | $350-$550 |
| Large home or multi-zone system | $500-$650 |
| Full HVAC duct cleaning with air handler | $450-$650 |
| Video inspection (add-on) | $75-$125 |
| Commercial duct cleaning (Route 128 corridor offices) | $800-$2,500+ |
What moves you within these ranges? System size matters, but so does access. The tight crawl spaces and retrofitted chases in Waltham’s older housing take more time than open basements in newer construction. Post-flood or post-storm jobs requiring documentation for insurance add steps - moisture readings, photo logs, written scope reports - but we quote everything upfront. No per-vent pricing, no add-on surprises. One flat price per system, agreed in writing before we start. Call (323) 918-4345 for your exact estimate - estimates are free.
We Also Serve Cities Near Waltham
Our crews regularly work Air Duct Cleaning in Waltham and the surrounding communities - Belmont, Lexington, Newton, and Arlington. Each has its own housing character and duct challenges, but the same Cedarwell Care Promise applies on every job: written price first, shoe covers and drop cloths always, photo documentation before we leave.
Serving Waltham, MA - Our Local Coverage Area
We’re based in the Waltham 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 Waltham
It depends on what got wet and for how long. Dry sheet metal trunk lines can almost always be cleaned with source removal and HEPA-filtered negative pressure. Saturated fibrous duct liner, standing water in low runs, or rusted seams in retrofitted wall-cavity ducts usually require replacement - cleaning alone won’t dry the material or stop microbial regrowth. We document everything with moisture readings and photos so your insurer sees exactly why we recommended each course of action. Call (323) 918-4345 for a post-flood inspection - estimates are free.
The forced-air retrofit. These buildings were designed for steam heat; when central air was added, contractors ran ducts through original exterior wall cavities with no vapor barrier separation. Cold sheathing in winter causes duct exterior sweating, which wicks debris and promotes microbial growth on the interior surface. Purpose-built forced-air homes in western Waltham neighborhoods have proper chases, sealed seams, and insulation - they stay cleaner longer and clean more easily when they do need service.
Yes, measurably. The localized humidity in low-lying areas near the river elevates condensation inside basement return-air plenums, especially in summer and during shoulder seasons when the air handler cycles on and off frequently. That moisture, combined with normal household dust, creates conditions for microbial growth in systems that go more than a few years without professional cleaning. We see this pattern consistently in Riverside service calls.
We build a file: dated photos of water lines inside ducts, moisture meter readings at multiple points, video inspection footage showing standing water or saturated liner, and a written scope that separates salvageable sections (source removal and cleaning) from non-salvageable (replacement required). Our field vignette from a Moody Street triple-decker - where we found standing water in a basement plenum and wet liner in two supply branches - resulted in full insurer acceptance because the documentation showed exactly where water sat and why cleaning alone would leave microbial growth behind.
Rotobrush brush-and-vac systems for agitation and debris removal, Nikro HEPA-filtered negative air machines for containment, and Abatement Technologies portable HEPA filtration for occupied spaces during work. For post-flood jobs, we add moisture meters, thermal imaging where helpful, and video inspection cameras. All equipment is professional-grade - not rental shop vacs - and our technicians choose the right combination for your specific system and condition.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Waltham since 2005.




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