Air Duct Cleaning in McLean - One Flat Price, Before-and-After Photos

Air Duct Cleaning in McLean, VA

HVAC cleaning in McLean typically runs $400-$900 for a whole-system service, with air quality and sanitizing treatments adding $200-$600 depending on the scope. We’re CleanRun Duct Repair & Cleaning, and our crews work McLean homes built across six decades of wildly different construction standards. Call (240) 318-7712 for a written estimate before any work starts.

Call (240) 318-7712

McLean’s housing stock splits between massive new custom estates with multi-zone forced-air labyrinths and surviving postwar ranches in places like Broyhill McLean Estates, many still running original sheet-metal ductwork that has never been professionally cleaned. Both sit under dense hardwood canopy that drives pollen loads and summer humidity above 70%, conditions that push microbial growth inside duct systems. Our home office dispatches crews from Washington, DC to McLean daily.

Why McLean Homes Are Different

McLean sits in the DC metro’s humid subtropical zone, where July relative humidity regularly exceeds 70% and seasonal pollen from dense hardwood canopy blankets large wooded lots. That moisture and organic load doesn’t stay outside; it cycles through HVAC systems, particularly in oversized custom builds prone to short-cycling that leaves interior duct surfaces damp.

The housing market’s bimodal reality changes what we find. In the older sections along Balls Hill Road or Old Dominion Drive, technicians regularly encounter 1960s sheet-metal trunk lines coated with decades of debris, sometimes with fiberglass duct liner that has begun to delaminate. The owners assumed teardown was imminent, so maintenance was deferred for 30 years. Meanwhile, new 6,000-9,000 sq ft builds require far more linear footage of ductwork than typical suburban homes, and teardown-and-rebuild churn spreads construction dust through neighboring systems.

HOA requirements vary by subdivision, but McLean’s stricter associations in the Langley and Franklin Park areas frequently require written documentation of work performed, including photo records of interior duct conditions.

Our Main McLean Services

McLean homeowners call us most often for these three services, each with its own dedicated McLean page.

Air Duct Cleaning in McLean

We clean the full supply and return network in McLean homes, from plenum (the main distribution box) through every duct run to each register. In older Broyhill-era homes, we often find galvanized trunk lines with debris buildup at elbows where airflow changes direction. Newer estates require longer cleaning passes through extended multi-zone systems. Every job ends with a Documented Photo Record of every run, delivered as a standard deliverable. Air Duct Cleaning in McLean

Dryer Vent Cleaning in McLean

Dryer vent blockages are common in McLean’s large-lot homes where vent runs extend 25-40 feet through multiple walls to exterior terminations. Lint accumulation at long-run elbows creates fire hazards and extends drying cycles. We use rotary brush systems and negative-pressure extraction (suction that pulls debris toward the vacuum source) to clear the full line, then photograph the interior at key points. Dryer Vent Cleaning in McLean

Duct Repair & Sealing in McLean

McLean’s 60-year-old galvanized ductwork and newer flex-duct installations both develop leaks at joints and seams, particularly where seasonal humidity expansion and contraction stress connections. We seal with mastic and mechanical fasteners, then pressure-test to verify integrity. In homes with delaminated fiberglass liner, we document the condition and quote repair or replacement with a written price before any work begins. Duct Repair & Sealing in McLean

Before

After

HVAC Cleaning in McLean

McLean’s climate and housing extremes make HVAC cleaning essential: humid summers foster coil mold, dense pollen coats blower assemblies, and oversized systems in custom builds short-cycle debris into every component. Our HVAC Cleaning service targets the mechanical heart of your system, not just the ducts. We document every stage with before-and-after photography.

Evaporator Coil Cleaning

Signs you need it

Ice buildup on refrigerant lines, weak airflow from registers, or musty odors when the AC cycles on in July.

What it costs in McLean

Evaporator coil cleaning in McLean typically ranges $250-$450.

How we do it

We access the coil through the plenum, apply foaming cleaner to break biological growth, rinse with low-pressure water, and photograph the fin surface before and after.

Blower Cleaning

Signs you need it

Vibration or noise from the air handler, uneven heating or cooling between rooms, or dust puffing from registers at startup.

What it costs in McLean

Blower assembly cleaning in McLean typically ranges $200-$350.

How we do it

We remove the blower housing, clean the squirrel cage and motor housing with compressed air and solvent, balance the assembly, and photograph the interior cavity.

What HVAC Cleaning Costs in McLean

How do I know my HVAC needs cleaning versus just the ducts?

If you smell must when the AC starts, see ice on refrigerant lines, or hear the blower laboring, the mechanical components need attention. Duct-only cleaning won’t fix coil mold or blower imbalance. Call (240) 318-7712 and we’ll scope the system to quote the right scope.

Can HVAC cleaning fix short-cycling in my oversized system?

Cleaning restores designed airflow, which sometimes reduces short-cycling, but it won’t correct equipment that was improperly sized for the load. We document airflow before and after so you have data for your HVAC contractor if replacement is needed.

Air Quality & Sanitizing in McLean

McLean’s humid summers and dense tree canopy create conditions for microbial growth inside ductwork that standard cleaning won’t address. Our Air Quality & Sanitizing service applies EPA-registered treatments to contaminated surfaces, with photo documentation of biological deposits before treatment and verified reduction after.

Mold Treatment

Signs you need it

Visible black or green staining on register faces, musty odor that persists after duct cleaning, or allergy symptoms that worsen when the system runs.

What it costs in McLean

Mold treatment in McLean typically ranges $300-$600 for a whole-system application.

How we do it

We apply an EPA-registered antimicrobial fog through the duct network, allow dwell time on contaminated surfaces, then extract residual and photograph treated runs.

UV Light Installation

Signs you need it

Recurring mold after professional cleaning, or a system in a damp basement or crawl space with chronic moisture issues.

What it costs in McLean

UV light installation in McLean typically ranges $400-$800 including hardware and labor.

How we do it

We mount a UV-C lamp in the supply plenum, wire to the blower circuit for automatic operation, and verify irradiance at the coil surface with a meter.

What Air Quality & Sanitizing Costs in McLean

Is the treatment safe for kids and pets?

We use EPA-registered products applied to interior duct surfaces, not broadcast into living space, with a recommended 4-hour ventilation period post-treatment. The written scope specifies product and dwell time before we start.

How do I know the mold is actually gone?

Our Documented Photo Record shows the pre-treatment condition and post-treatment result for every treated run; we deliver both as part of the standard job record, not as an extra.

Brands We Service in McLean

We stock parts and service equipment from Honeywell, Aprilaire, and Abatement Technologies, with filter media and UV replacement lamps available for same-day installation on most McLean calls. our brands

Pricing for Air Duct Cleaning in McLean, VA

Neighborhoods We Serve in McLean

Our crews work throughout McLean’s full residential area, from the Potomac riverfront estates to the original Broyhill-era subdivisions. Scheduling is typically available within 3-5 business days, with coordination from our Washington, DC dispatch office.

• Broyhill McLean Estates
• Langley
• Franklin Park
• Chesterbrook Woods
• Scott’s Run

Service Area - Cities Near McLean

CleanRun serves the full Northern Virginia corridor. We regularly schedule alongside McLean appointments in Alexandria, VA, Arlington, VA, Springfield, VA, and Falls Church, VA, with route coordination to keep response times predictable across the metro.

FAQs About Air Duct Cleaning in McLean