Air Duct Cleaning in Lexington — One Price Per System, Agreed Before We Start

Air Duct Cleaning in Lexington, MA

Air duct cleaning in Lexington, MA typically runs $350–$750 for a full residential system and is usually completed in a single visit. Scott Gray handles every job personally, bringing 11 years of focused ductwork experience to homes across 02420 and 02421. We’re familiar with Lexington’s roads from Marrett Road to Waltham Street, and we know the difference between a quick in-and-out vacuum job and the thorough cleaning these older systems actually need. Call (888) 597-5659 for a free estimate.

Call (888) 597-5659

Why Lexington Homes Are Different

Lexington’s residential build-out was driven largely by the 1950s–1970s Route 128 technology-corridor boom, leaving the town with a dense concentration of split-level and ranch homes whose original sheet-metal ductwork is now 50–70 years old. These systems were installed before modern IAQ standards, typically run through unfinished basements with no vapor barrier beneath them, and have gone largely unserviced. Lexington sits far enough inland that winters are consistently colder and snowier than coastal Boston communities, driving longer heating-season runtime and accelerating particulate buildup. The town’s mature oak-and-maple canopy, preserved around Minuteman National Historical Park, produces exceptionally heavy spring pollen loads that infiltrate return-air intakes on homes lacking tight exterior grille seals.

Air Duct Cleaning in Lexington

Lexington’s legacy housing stock demands more than surface vacuuming. The original galvanized or early-gauge sheet-metal supply and return trunks in these homes run through unfinished basements, often with no vapor barrier beneath them, and have accumulated decades of compacted dust that requires mechanical agitation to remove. We bring Rotobrush and Nikro equipment sized for full system completion in one trip, including the main trunk lines that most budget operators skip.

Residential Duct Cleaning

We clean the full supply and return network in Lexington’s capes, ranches, and split-levels, paying particular attention to return-air intakes where heavy spring pollen from the conservation land around Minuteman National Historical Park enters unsealed grilles. For a standard home, residential full system cleaning runs $350–$550; larger homes with extended runs typically fall in the $550–$750 range. Air Duct Cleaning is our core service, and we treat Lexington’s older systems with the controlled aggression they need — too gentle and compacted layers remain; too harsh and original metal fatigues.

Commercial Duct Cleaning

Lexington’s professional offices along Hartwell Avenue and retail spaces in the town center see different load patterns than residential — longer runtime hours, different filter maintenance schedules, and tenant turnover that disrupts regular care. We handle these with the same Rotobrush and Nikro equipment scaled to the building’s square footage, typically at $0.25–$0.45 per square foot depending on system accessibility and contamination level.

How much does air duct cleaning cost in Lexington?

Most Lexington homes fall between $350 and $750 for a complete residential cleaning, with the final figure depending on system size, linear footage, and whether we encounter rodent debris or deteriorated seals requiring repair. We provide exact quotes after video inspection — no estimates that balloon on arrival. Call (888) 597-5659 for an exact quote; estimates are free.

Dryer Vent Cleaning in Lexington

Dryer vent cleaning in Lexington, Massachusetts typically costs between $180 and $340 for a standard single-family home, with most jobs completed in under two hours. We’ve spent 11 years working inside Lexington’s distinctive housing stock, and we’ve learned that the long heating seasons and original 1960s duct configurations here create fire hazards that newer suburbs simply don’t face.

Vent Cleaning & Lint Removal

Lexington’s inland climate drives longer heating seasons than coastal towns, and that extended runtime accelerates lint accumulation — especially in ranch and cape-style homes with 25-foot vent runs to gable ends. We clean the full duct with Rotobrush agitation and Nikro HEPA vacuum extraction, removing packed lint from corrugated transition ducts and rigid pipe alike. Standard vent cleaning for an accessible run runs $180–$260; deep cleaning with heavy blockage or multiple bends runs $260–$340.

Vent Rerouting

Some Lexington homes have dryer vent runs that were poorly designed from the start — too long, too many bends, or routed through conditioned spaces where condensation causes mold. This is particularly common in East Lexington, where we’ve found vents exiting through foundation walls with missing bird guards. A reroute typically runs $340–$580, using rigid aluminum duct and proper slope for drainage. Dryer Vent Cleaning by Scott includes honest assessment: if your 1950s galvanized duct is corroded through, we’ll tell you replacement beats cleaning.

Why do so many Lexington split-levels have musty dryer vent odors?

Musty odors usually indicate moisture accumulation from poor slope, a damaged cap, or condensation in an uninsulated knee-wall cavity — all common in Lexington’s 1960s split-levels with garage-adjacent routing. Cleaning removes organic material feeding the smell, but the underlying moisture issue needs addressing. We’ll check pitch, cap integrity, and insulation gaps, then repair or reroute as needed. Call (888) 597-5659 for an inspection.

HVAC Cleaning in Lexington

HVAC cleaning in Lexington typically runs $280–$650 for a complete system service, with most jobs completed in a single visit. We’ve been driving out to Lexington since 2014 — from the older capes near the Battle Green to the split-level neighborhoods off Marrett Road — and we’ve learned that surface cleaning misses the components that actually drive air quality and energy efficiency in these legacy systems.

Air Handler & Blower Cleaning

Air handlers in Lexington’s basement-mounted systems run hard through long heating seasons. Dust and debris collect on blower wheels, motor housings, and filter racks, forcing the unit to draw more power and circulate less air. We disassemble the cabinet, clean all accessible surfaces, and inspect for moisture damage from basement humidity common in 02420 and 02421 homes with no vapor barrier. Basic HVAC cleaning runs $280–$420; full system cleaning with air handler disassembly runs $380–$550.

Evaporator Coil Cleaning

Lexington’s mature tree canopy keeps summers shaded, but humidity still drives heavy air conditioning use in July and August. Evaporator coils in basement air handlers develop biofilm — a slimy layer of mold, dust, and organic matter that insulates the coil and reduces heat transfer. We apply foaming cleaner, mechanically brush the fins, and flush with low-pressure water. Coil treatment and sanitizing runs $85–$140. HVAC Cleaning by Scott means he personally removes the blower assembly, cleans each blade, and rebalances before reinstallation — not a subcontracted tech learning your system on the fly.

Why does my Lexington split-level have uneven heating between floors?

Uneven heating often traces to two fixable problems: dirty blowers and coils that can’t move enough air to distant rooms, and leaky mastic at duct joints in unconditioned basement or knee-wall spaces that loses heat before it reaches upper floors. We’ve restored reasonable balance to many Lexington split-levels by cleaning components and sealing accessible leaks. If problems persist after cleaning, we may recommend duct repair. Call (888) 597-5659 for a free inspection.

Duct Repair & Sealing in Lexington

Duct repair and sealing in Lexington typically costs $280–$850 depending on whether we’re patching a few joints or resealing an entire 1960s system, and most jobs are completed in a single visit. We know the town’s housing stock intimately — Scott handles every job personally, so the voice on the phone is the same person crawling your basement with a borescope.

Mastic Sealant Application

The original water-based sealant applied in Lexington’s 1960s and 1970s systems has long since dried, cracked, or fallen off entirely — especially on branch connections in split-levels, where thermal cycling between heated basement air and cold knee-wall cavities accelerates deterioration. We use professional-grade mastic applied with brush and mesh reinforcement at stress points. Partial system sealing runs $280–$450; full system reseal runs $550–$850.

Metal Duct Repair

Original galvanized trunks in 1950s–1970s capes and ranches have corroded takeoff collars that separate when brushed. We see this constantly in East Lexington ranches near the Bedford line — thin-gauge sheet metal simply fatigues after six decades. Scott fabricates replacement collars on-site or installs new takeoff boots where the original metal is too far gone. Single collar repair runs $180–$320; multiple collars or trunk sections run $400–$650. Duct Repair & Sealing isn’t an upsell here; it’s often a prerequisite for safe cleaning.

Can you seal ducts in my Lexington garage knee-wall without opening the wall?

Yes, in most cases we access and seal these ducts through existing register openings and small access panels without full wall demolition. We use extension tools to apply mastic to joint interiors and seal the cavity perimeter where code allows. Call (888) 597-5659 for an exact quote — estimates are free.

Air Quality & Sanitizing in Lexington

Air quality sanitizing in Lexington, MA typically costs $275–$650 depending on system size and contamination level, and most residential jobs are completed in a single visit. If you’re noticing persistent dust, musty odors, or worsening allergy symptoms, the problem usually starts in ductwork that hasn’t been properly cleaned or sealed — surface sprays don’t reach sources in 50-year-old systems.

Allergen Reduction & UV Installation

Lexington’s conservation land and mature canopy produce pollen loads significantly heavier than coastal Boston communities, and return-air grilles with deteriorated gaskets pull this unfiltered material directly into ductwork. Our allergen reduction service includes mechanical removal with Rotobrush and Nikro equipment, followed by grille seal replacement. For households with allergy sufferers, we often pair this with Aprilaire filtration upgrades. Full duct sanitizing runs $275–$450; allergen reduction with grille seal replacement runs $295–$495.

Odor Removal & Mold Treatment

Musty basement smell in Lexington split-levels traces to deteriorated fiberglass insulation, rodent activity in unsealed knee-wall cavities, or mold growth on coil pans. Our protocol involves source elimination — mechanical debris removal, mastic re-sealing, and sanitizing agents applied with proper dwell time — not masking agents. Mold or bacteria treatment including mechanical removal runs $340–$650; odor removal protocol runs $320–$580. Air Quality & Sanitizing by Scott means he identifies the actual source with a borescope before quoting, not after.

Will UV light eliminate mold in my old Lexington ducts?

UV-C light kills mold and bacteria at the coil and supply plenum, but it does not remove existing debris or treat mold deep in branch lines. For Lexington’s 50–70-year-old systems, we combine mechanical removal first, then install Honeywell or Abatement Technologies UV as prevention. UV installation runs $380–$620. Call (888) 597-5659 to schedule an assessment.

Brands We Service in Lexington

We stock parts and equipment from Honeywell, Aprilaire, and Abatement Technologies for faster turnaround on Lexington jobs — no waiting on special orders for common fittings. Scott specifies these brands based on 11 years of seeing what survives in New England’s climate. our brands

Pricing for Air Duct Cleaning in Lexington, MA

Neighborhoods We Serve in Lexington

We regularly work across both ZIP codes, with typical scheduling within a few days for most Lexington properties.

• East Lexington (near Marrett Road and Emerson Street)
• Lexington Center and surrounding ranches
• Battle Green area capes
• Neighborhoods off Waltham Street
• Properties near the Minuteman Bikeway

Service Area — Cities Near Lexington

Everest Air Duct Cleaning Service Massachusetts operates throughout Middlesex County from our base serving Lexington, MA. We regularly drive to Arlington, MA and Bedford, MA for duct cleaning and repair jobs, and we cover Winchester, MA and Burlington, MA for full HVAC cleaning and air quality services. Homeowners in Belmont, MA also call us for the owner-led service model they’ve heard about from Lexington neighbors.

FAQs About Air Duct Cleaning in Lexington