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.
Before
After
Before
After
Before
AfterTrusted HVAC Cleaning for Leesburg Homeowners
HVAC cleaning in Leesburg typically costs $280-$650 for a complete system service, and every job starts with a written price delivered before any work begins. See our guide to how much HVAC Cleaning costs for a full breakdown. CleanRun Air Duct Cleaning Leesburg has documented the inside of every component we’ve touched since 2013, and that record now spans more than 52,000 homes across Northern Virginia.
We started this company because the duct cleaning industry in Leesburg and surrounding Loudoun County had become a coupon economy: a low advertised price, a shop-vac in the driveway, and a final invoice that bore no resemblance to the original quote. We also offer our HVAC Cleaning in Ashburn and nearby communities. Our answer is the Haven Standard, which begins with Clause 1 - a written price before any work starts - and ends with a Documented Photo Record of every coil, blower, and plenum we accessed. Tomas Reyes established CleanRun in 2013 on the principle that a homeowner should see what was in their system before deciding whether to pay for its removal. That principle hasn’t changed. Every technician is background-checked, uniformed, and identified by name before arrival under Haven Standard Clause 3: Verified Crews. Call (571) 487-7204 to speak with a live person, or read on to see exactly what HVAC cleaning includes and what you’ll pay.
What Our HVAC Cleaning Service Includes
Evaporator Coil Cleaning
The evaporator coil sits inside your air handler or furnace plenum - the large metal box that distributes conditioned air - and it’s where refrigerant absorbs heat from your home’s air. In Leesburg, we regularly find these coils clogged with a mat of dust, pollen, and pet dander that the standard 1-inch filter missed, especially in homes built during the 2015-2020 construction boom near Lansdowne and Belmont Country Club where tighter envelopes trap more recirculated debris. A dirty evaporator coil forces your compressor to run longer, raises your Dominion Energy bill, and can freeze into a solid block of ice that shuts the system down entirely. CleanRun removes the coil assembly when accessible, applies foaming cleaner formulated for aluminum fins, and documents the before-and-after condition with photos delivered as part of your standard job record.
Blower Cleaning
The blower - also called the squirrel cage - is the fan that pushes conditioned air through every duct run, the individual pathways that lead to each room’s register. When the blower wheel accumulates dust, it throws off balance, strains the motor bearings, and moves less air at the same RPM. We’ve pulled blower assemblies in Leesburg homes where the blade grooves were packed solid, reducing airflow by 30% or more while the homeowner assumed their system was simply “getting old.” Our process removes the blower housing, cleans the wheel and motor housing with compressed air and contact cleaning, and reassembles with torque to manufacturer specification. The photo record shows you exactly what was removed and how the assembly looked when we reinstalled it.
Condenser Cleaning
The condenser coil lives in the outdoor unit, and in Leesburg’s climate it faces a specific set of enemies: cottonwood fluff in late spring, grass clippings from weekly mowing, and the fine red clay dust that blows off construction sites in developing neighborhoods like Kincora and Crescent Place. A dirty condenser can’t reject heat efficiently, so head pressure rises, energy consumption climbs, and on the hottest July afternoons the system may trip its high-pressure safety switch and quit entirely. CleanRun pulls the top and panels from the condenser, applies foaming cleaner to the coil fins, straightens any bent fins with a fin comb, and clears the drain pan and condensate line. We document the coil condition before and after, and we note any refrigerant leaks or electrical issues we observe during access.
Air Handler Cleaning
The air handler is the complete indoor unit - typically a furnace or electric air handler - that contains the blower, evaporator coil, and often the heat exchanger in a single cabinet. In Leesburg’s older homes near the historic district, we’ve found air handlers with decades of accumulated debris in the plenum and return drop, including remnants of the original fiberglass duct liner that has begun to degrade. Our air handler service disassembles accessible panels, cleans all internal surfaces with HEPA-contained negative-pressure extraction, inspects the heat exchanger for cracks or corrosion, and verifies that the drain pan slopes correctly to the condensate pump or floor drain. Every internal surface we can access is photographed, and the written scope itemizes what was cleaned, what was inspected, and what we recommend for future service.
Heat Exchanger Cleaning
The heat exchanger is the metal barrier that separates combustion gases from your breathing air in a gas furnace - a critical safety component that also happens to collect soot and scale that reduce heating efficiency. In Leesburg, where many homes heat with natural gas and winter temperatures regularly drop below freezing, a compromised heat exchanger can leak carbon monoxide or simply fail to transfer enough heat. CleanRun inspects the heat exchanger with a borescope camera on every furnace cleaning, documents any cracks, corrosion, or soot buildup with photos, and cleans accessible surfaces without disturbing the manufacturer’s seal welds. If we find a crack or hole, we shut the system down, explain the finding with the photo, and provide a written recommendation - never a pressure tactic - for replacement or repair.
Coil Treatment
After cleaning, we apply a coil treatment - a non-acidic, non-rinse formula that leaves a thin protective layer on evaporator and condenser coils to slow future debris accumulation. In Leesburg’s humid summers, untreated coils can begin re-collecting biological growth within weeks; the treatment extends the effective clean interval and reduces the musty odors that sometimes plague systems in basements or crawl spaces. We use treatments compatible with the equipment manufacturer’s specifications, and we note the product applied in your written job record. This is not a substitute for regular filter changes, but it is a documented step that separates professional-grade service from a quick rinse.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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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.
Brands We Service for HVAC Cleaning
CleanRun technicians clean and service HVAC equipment from every major manufacturer, and we maintain specific expertise with several brands common in Leesburg homes. We’ve serviced hundreds of Carrier and Trane systems - the two dominant brands in Loudoun County new construction since 2015 - and we stock OEM replacement parts for both, including the proprietary control boards and pressure switches that fail most often in our climate. For homes with Lennox, Rheem, or York equipment, we carry the specialized fin combs and coil cleaners those manufacturers specify, and our technicians document any warranty stickers or installation dates we find so you know whether a failing component might still be covered.
We also regularly clean and maintain Aprilaire whole-house humidifiers and air cleaners, which are integrated into many Leesburg HVAC systems, and we use Abatement Technologies HEPA filtration equipment during our cleaning process to protect your home’s air while we work. Whether you have a top-tier brand, a builder-grade installation, or a mixed system with components from multiple eras, we can clean it, document it, and tell you exactly what we found - with photos to back it up. If you’re comparing service options, you may also want to see our HVAC Cleaning in Ashburn page for pricing context in a nearby market.
Before
AfterSigns You Need HVAC Cleaning Right Now
- Your energy bill has risen without a rate increase. When coils, blowers, or condensers are dirty, the system runs longer to achieve the same temperature. We’ve seen Leesburg homeowners pay 20-40% more for cooling in July simply because a clogged condenser couldn’t reject heat efficiently. The utility bill doesn’t lie, and neither do our photos.
- You smell musty or stale air when the system cycles on. That odor typically originates from biological growth on a wet evaporator coil or in a standing condensate drain pan. In Leesburg’s humid climate, a dirty coil can begin supporting mold colonies within a single cooling season. Cleaning removes the growth source; the photo record shows you where it was living.
- Some rooms never reach the thermostat setpoint. Restricted airflow from a dirty blower or clogged coil reduces delivery to distant duct runs. We regularly find master bedrooms in Leesburg’s larger homes - especially those with long attic duct runs in developments like River Creek - receiving half the designed airflow because the blower wheel is packed with debris.
- You see dust accumulating on registers within days of cleaning. When the supply plenum and blower are dirty, the system becomes a dust pump that bypasses the filter. The dust you wipe off your registers is coming from inside the system, not from your living space. Our cleaning stops that cycle at the source.
- Your system short-cycles or freezes up. A frozen evaporator coil is often the result of restricted airflow from a dirty blower or a coil choked with debris. Short-cycling - rapid on-off operation - strains the compressor and can destroy it within a season. Both symptoms warrant immediate inspection and documented cleaning before a $300 service call becomes a $3,000 compressor replacement.
Our HVAC Cleaning Process - Step by Step
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Written price delivered before work begins. Haven Standard Clause 1 requires that you receive a written, itemized price for the exact scope of work before any panel is removed. Our technician arrives, inspects your system’s accessibility and condition, and provides that written price. You approve it, or we leave - no charge for the diagnostic visit. This is not a “free estimate” that becomes a sales presentation; it is a binding quote for documented work.
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System shutdown and protective setup. We shut down power at the disconnect, place protective sheeting on floors and work surfaces, and set up HEPA-contained negative-pressure extraction equipment - the same Abatement Technologies systems used in hospital renovation projects - to ensure any dislodged debris is captured, not redistributed through your home.
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Component disassembly and photographic documentation. Every component we plan to clean is photographed before we touch it. The evaporator coil, blower wheel, condenser fins, and heat exchanger surfaces are documented with timestamps. These photos become part of your permanent job record and are delivered with the final invoice.
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Cleaning with trade-specified methods and equipment. Coils are cleaned with foaming agents matched to their metal composition. Blowers are removed and cleaned with compressed air and contact methods that don’t bend the precision-balanced wheel. Condensers are foamed, rinsed, and fin-combed. Heat exchangers are inspected with borescope cameras. We use Rotobrush contact cleaning systems where appropriate and Guardsman coil treatments for lasting protection.
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Reassembly, operational test, and final documentation. Components are reinstalled to manufacturer torque specifications, the system is powered on and run through a complete heating or cooling cycle, and final photos are taken of every cleaned surface. You receive the complete photo record, the written scope, and the 365-Day Done Right Promise in writing before we leave. If anything isn’t right, Haven Standard Clause 5 requires that we make it right - not as a favor, but as a contractual obligation.
How Much Does HVAC Cleaning Cost in Leesburg?
HVAC cleaning in Leesburg runs $280-$650 for a typical residential system, with most complete system cleanings falling between $380 and $520. We also provide HVAC Cleaning - Sterling and throughout Loudoun County. Here’s how that breaks down by component:
- Evaporator coil cleaning alone: $180-$290, depending on accessibility (attic-mounted air handlers in Leesburg’s newer homes often require more labor than basement installations).
- Blower cleaning alone: $150-$240, with variable-speed and multi-stage blowers taking additional time to remove and rebalance.
- Condenser cleaning alone: $140-$220, with heavily fouled coils or units surrounded by landscaping requiring extra access time.
- Complete system cleaning (coil, blower, condenser, air handler interior, heat exchanger inspection): $380-$520 for single-zone systems; multi-zone or dual-fuel systems may run higher.
- Coil treatment application: $45-$85 when added to a cleaning service.
Several factors push prices toward the higher end of these ranges. Systems in Leesburg’s original 18th- and 19th-century homes near the W&OD Trail often have non-standard access panels and obsolete component layouts that add labor. Homes with multiple HVAC zones - increasingly common in new construction above $800,000 - require cleaning each air handler separately. And systems that haven’t been serviced in five or more years typically contain enough debris to extend cleaning time significantly.
The most reliable way to avoid overpaying is to reject any quote that won’t put a price in writing before work starts. The $79 coupon special almost always becomes a $400-$600 invoice once the technician is in your basement and “discovers” additional problems. At CleanRun, the price we write is the price you pay. We also offer a Free Second Opinion on any written estimate from another company - bring their quote, and we’ll put our number next to it with no obligation. Our equipment roster includes Rotobrush, Nikro, and Abatement Technologies systems that we name specifically so you can verify their professional grade before you agree to any price.
HVAC Cleaning Near Leesburg - Our Service Area
CleanRun serves Leesburg and the full Loudoun County corridor, with regular routes to HVAC Cleaning in Ashburn, HVAC Cleaning in Sterling, and surrounding communities including Herndon, South Riding, Great Falls, Reston, Chantilly, and Centreville. Most Leesburg appointments are scheduled within a 3-5 day window, with specific arrival times confirmed by text the evening before. For homeowners in developing areas like Clarksburg or Germantown across the Montgomery County line, or Gaithersburg to the east, we coordinate routes to minimize travel charges and keep your written price accurate. Every appointment, regardless of location, includes the same documented photo record and written guarantee.
Serving Leesburg, VA - Our Local Coverage Area
We’re based in the Leesburg area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - HVAC Cleaning in Leesburg
HVAC cleaning targets the mechanical components that heat, cool, and move your air - the evaporator coil, blower, condenser, heat exchanger, and air handler cabinet - while air duct cleaning addresses the supply and return pathways that distribute air through your home. You can have clean ducts and a dirty HVAC system, or vice versa; they are distinct services that complement each other. Many Leesburg homeowners schedule both together for complete system hygiene.
A typical residential HVAC cleaning takes 2.5 to 4 hours for a single-zone system, with multi-zone or heavily fouled systems extending toward 5 hours. We don’t rush the process because the documentation - the before-and-after photos of every component - requires time to capture properly. You’ll receive a time estimate with your written price before we start.
Complete HVAC cleaning in Leesburg typically runs $380-$520 for a standard single-zone residential system, with individual component services ranging from $140-$290 depending on accessibility and condition. Every price is delivered in writing before work begins under Haven Standard Clause 1, and we provide a Free Second Opinion on any competitor’s written estimate. Call (571) 487-7204 for a specific quote - estimates are free, and the price we write is the price you pay.
Yes. We clean and service Aprilaire humidifiers, air cleaners, and ventilation controls as integrated components of your HVAC system, and we use Abatement Technologies professional-grade HEPA equipment during our cleaning process. Our technicians are trained on the specific access and cleaning protocols for Carrier, Trane, Lennox, Rheem, York, and other common brands in Leesburg homes.
We do not advertise emergency or same-day HVAC cleaning because this is a scheduled, documented service that requires proper setup and cannot be performed well in a rushed window. However, our phones are answered by a live person 24/7, and we will prioritize appointments for systems that have failed due to severe coil or blower fouling. If your system has shut down and you suspect a dirty component is the cause, call (571) 487-7204 and we’ll get you on the schedule as quickly as the documentation process allows.
Every HVAC cleaning is backed by the 365-Day Done Right Promise: if the work is not right, we make it right - documented in writing on every job, not as a policy subject to manager approval. Haven Standard Clause 5 requires this accountability. If you experience the same symptom within a year and our photo record shows we missed something, we return at no charge to correct it.
Clear a 3-foot workspace around your indoor air handler or furnace, and ensure we have access to the outdoor condenser unit without moving heavy objects ourselves. Replace or note the condition of your air filter so we can photograph it as part of the system assessment. There’s no need to clean beforehand - the condition we find is part of the documentation - and you don’t need to be home for the entire service if you’ve approved the written price and provided entry instructions.
Schedule Your HVAC Cleaning Service in Leesburg Today
Call (571) 487-7204 to speak with a live person, 24 hours a day. We’ll schedule a diagnostic visit at your convenience, deliver a written price before any work begins, and leave you with a Documented Photo Record of every component we cleaned - plus the 365-Day Done Right Promise in writing. No coupons, no surprises, no vacuum noise. Just documented work you can verify.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Leesburg since 2013.