Fast, Reliable Air Duct Cleaning Across Lexington
Air duct cleaning in Lexington, MA typically runs $350-$650 for a full residential system and is usually completed in a single visit with camera verification before and after. Bellows Air Duct & Vent Co. has been serving Lexington homeowners since 1984, and our Air Duct Cleaning team knows the ductwork hidden behind the walls of this town’s 1950s-1970s housing stock. We answer calls live, 24 hours a day, at (844) 685-6342, and we dispatch uniformed, background-checked technicians to Lexington neighborhoods from Peacock Farm to the town center. Most jobs are done in one visit. The price we quote on the phone is the price on the invoice.
Why Bellows Air Duct & Vent Co. Is Lexington’s Preferred Air Duct Cleaning Company
We’ve built our reputation in Lexington on showing up when we say we will and leaving the job done right. Our 90-Day Done Right Promise is stamped on every invoice: if something isn’t right, we return at no charge with no paperwork required.
Lexington homeowners call us because we’ve seen what generic duct cleaners miss. The town’s mature tree canopy, its humid continental summers, and its renovation-layered duct systems all create problems that require local knowledge, not a blow-and-vac truck rolling through from out of state. We carry flexible rod systems for shallow floor cavities, video inspection equipment for dead-end branches, and the patience to trace a duct system through three generations of homeowner renovations.
Calls are answered by a live person, not voicemail, not an app. Our technicians are uniformed, background-checked, and equipped with professional-grade Rotobrush and Nikro systems. We’ve been doing this for over 42 years. We stand behind it.
Our Air Duct Cleaning Services in Lexington
Residential Duct Cleaning
Lexington’s single-family homes - ranch, Cape Cod, split-level, colonial-revival - dominate both ZIP codes 02420 and 02421. Many were built during the Route 128 suburban boom and have never had their original sheet-metal ductwork replaced. Our residential cleaning addresses the full supply and return network, including the debris-trapping dead-end branches created when finished basements, kitchen expansions, and added master suites spliced into original systems. We clean it all, camera-verify it, and leave you with a visual record.

Commercial Duct Cleaning
Lexington’s commercial base includes professional offices along Bedford Street, retail near the town center, and educational facilities serving the community. Commercial systems face heavier particulate loads and more complex zoning. We scale our approach to the building, using Abatement Technologies equipment for larger volume systems and maintaining the same upfront pricing and camera-verified standards we apply to every job.

Supply Duct Cleaning
Supply ducts push conditioned air into your living spaces. In Lexington’s older homes, these lines often run through uninsulated basement and crawl-space areas where seasonal condensation accelerates biofilm growth. We clean supply trunk lines and all branch runs, paying particular attention to the restricted airflow points that develop where original ducts were extended through renovations.

Return Duct Cleaning
Return ducts draw air back to your HVAC system for reconditioning. In Lexington, these are especially vulnerable during spring when residents open windows during mild April and May days. The town’s dense mature-deciduous canopy produces heavy pollen loads, and return-air systems pull those outdoor particles directly into your ductwork. Our return duct cleaning removes accumulated allergen buildup and restores proper system balance.

Full System Cleaning
This is our most thorough service, and it’s what most Lexington homes with 50-plus-year-old ductwork actually need. Full system cleaning covers every supply and return branch, the main trunk lines, and the plenum connections. We prioritize this service for Lexington’s renovation-heavy housing stock because partial cleaning of a spliced-and-extended system often leaves debris in the dead-end branches, leading to persistent dust and odors within weeks.

Video Inspection
Every Bellows job includes camera inspection before and after work begins. For Lexington homeowners, this is especially valuable. Original ductwork that’s been patched through multiple renovations often contains surprises: disconnected sections, blocked branches, or condensation-induced mold in crawl-space runs. Our video inspection gives you a visual record, not just a claim. We find problems before they become expensive repairs.

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.
Trusted Brands We Service in Lexington
We equip our Lexington crews with professional-grade systems from Rotobrush, Nikro, and Abatement Technologies - the same brands serious HVAC contractors specify for demanding environments. This matters in Lexington, where shallow floor cavities and boxed-in trunk lines require flexible equipment that rigid systems can’t navigate. We stock the attachments and replacement components to complete most jobs in a single visit, so you’re not waiting on parts while your system sits open.
Common Air Duct Cleaning Problems We See in Lexington Homes
- Allergen recontamination from spring window use. Lexington’s mature deciduous canopy produces intense pollen loads in April and May. When residents open windows during mild days, return-air systems draw those outdoor particles directly into ductwork, rapidly recontaminating recently cleaned systems.
- Incomplete cleaning of renovation-created dead-end branches. Successive affluent owners have extended and rerouted original duct systems through finished basements, kitchen expansions, and added master suites. These splices create debris-trapping dead-end branches that simple blow-and-vac services miss entirely.
- Condensation-induced mold in uninsulated crawl-space ducts. Lexington’s humid continental climate produces significant summer moisture swings. Uninsulated sheet-metal duct runs in basements and crawl spaces see condensation that accelerates biofilm and mold growth, often undetected without video inspection.
- Restricted airflow from shallow-cavity installations. In neighborhoods like Peacock Farm, original ductwork was engineered for extremely shallow floor cavities. Finished-basement conversions have often boxed in critical trunk-line sections, making them inaccessible to standard rigid brush equipment.
Pricing for Air Duct Cleaning in Lexington, MA
A typical residential duct cleaning in Lexington runs $350-$650 for a full system, depending on the number of supply and return vents, the complexity of the duct network, and whether video inspection reveals blockages or mold requiring additional attention. Commercial systems start around $800 and scale with square footage and HVAC zoning complexity.
What moves the price: homes with extensive renovation history often need more time to trace and access all branches; crawl-space and basement runs with mold or heavy condensation require additional sanitizing steps; shallow-cavity or boxed-in trunk lines need specialized flexible rod equipment that standard crews don’t carry.
We disclose every cost before a single tool is lifted. No bait coupons, no price changes at the door. The number we quote on the phone is the number on the invoice. Call (844) 685-6342 for a free estimate.
We Also Serve Cities Near Lexington
Our technicians regularly work in Lexington and surrounding communities including Arlington, Bedford, Winchester, and Burlington. We know the housing stock, the climate patterns, and the ductwork challenges specific to each town. If you’re near Lexington, we can likely be there today.
Serving Lexington, MA - Our Local Coverage Area
We’re based in the Lexington 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 - Air Duct Cleaning in Lexington
Lexington’s 1950s-1970s suburban boom produced thousands of ranch, Cape Cod, and split-level homes that have since been heavily renovated by successive owners rather than torn down. Each renovation - finished basement, kitchen expansion, master suite addition - typically extended the original sheet-metal ductwork rather than replacing it, creating splices, reroutes, and debris-trapping dead-end branches that a simple blow-and-vac service won’t fully address. Our full system cleaning with video inspection maps and cleans these complex networks properly. Call (844) 685-6342 for a free estimate.
Lexington’s dense mature-deciduous tree canopy produces heavy pollen loads during April and May, and when residents open windows during mild spring days, return-air systems draw significant allergen accumulation directly into ductwork. This rapid recontamination is why we recommend scheduling cleaning before peak pollen season and why our return duct service specifically targets allergen buildup. Call (844) 685-6342 to schedule before spring.
Yes. We serviced a 1950s ranch in Peacock Farm where a DIY finished-basement conversion had boxed in a critical trunk-line section, trapping debris and restricting airflow. Using our Rotobrush flex-rod system, we navigated the shallow cavity and restored full airflow, preventing the homeowner from needing costly duct replacement. Many regional crews don’t carry this flexible equipment. We do. Call (844) 685-6342 to discuss your specific layout.
Yes, and we include it on every job at no extra charge. Lexington’s 50-plus-year-old duct systems, patched through multiple renovations, frequently contain disconnected sections, blocked branches, or condensation-induced mold that isn’t visible from the vents. Camera inspection before and after cleaning gives you a visual record and catches problems before they become expensive repairs. Call (844) 685-6342 to schedule.
We address existing mold through thorough cleaning and sanitizing of affected runs, then identify where uninsulated sheet-metal ducts in crawl spaces and basements are producing condensation. Our video inspection pinpoints these moisture points, and we report them so you can address insulation or humidity control before next summer’s humidity swings retrigger growth. Prevention requires fixing the moisture source, not just cleaning what’s there. Call (844) 685-6342 for an inspection and upfront quote.
Ready to get your Lexington home’s ductwork cleaned right? Call Bellows Air Duct & Vent Co. at (844) 685-6342 for a free estimate. We’ll answer live, 24 hours a day, and send a uniformed, background-checked technician who knows Lexington’s housing stock. Most jobs are completed in a single visit. The price we quote is the price you pay. And everything we do is backed by our 90-Day Done Right Promise in writing.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Lexington since 1984.