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.
Trusted HVAC Cleaning for Ashburn Homeowners
Our HVAC Cleaning in Ashburn typically runs $280-$650 for a complete system service, and every job starts with a written price before a single panel comes off. We’re CleanRun Duct Repair & Cleaning, independently owned and operated under the Haven Standard since 2013, and we’ve documented the inside of over 52,000 systems with before-and-after photos of every duct run. Our Ashburn crews carry Rotobrush and Abatement Technologies equipment, and every technician is background-checked, uniformed, and identified by name before arrival under Haven Standard Clause 3: Verified Crews. Call (240) 771-1508 for a written estimate you can hold in your hand.
Ashburn’s rapid growth since 2015 means thousands of homes here have HVAC systems that were never properly cleaned after construction dust settled in the ductwork. We’ve found 2-inch debris buildups in the plenum (the main air distribution box) of homes in Ashburn Farm and Belmont Greene that were running their systems daily without knowing the blower wheel was caked with fine particulate. The climate here doesn’t help: humid summers push evaporator coils toward mold growth, while winter heating cycles bake dust onto heat exchangers. Our HVAC Cleaning in Ashburn service addresses each component separately, with a photo record of every stage.
What Our HVAC Cleaning Service Includes
Evaporator Coil Cleaning
The evaporator coil sits inside your air handler and absorbs heat from indoor air to cool it. In Ashburn, we regularly find these coils clogged with a gray, felt-like layer of dust and pollen that reduces airflow by 30% or more. Our crew accesses the coil through the plenum, applies foaming cleaner from Guardsman, and rinses with low-pressure water that won’t bend the delicate aluminum fins. Every coil cleaning includes a photo of the coil face before and after treatment.

Blower Cleaning
The blower wheel is the fan that pushes conditioned air through every duct run in your home. When it cakes with debris, you’ll feel weak airflow at registers even when the system runs constantly. We remove the blower assembly, clean each blade with compressed air and solvent, balance the wheel on its shaft, and photograph the assembly before reinstallation. For Leesburg HVAC Cleaning, we use the same process. In Brambleton and Loudoun Valley Estates, we’ve documented blower wheels so loaded with construction dust that the motor was drawing 40% more amperage than spec.

Condenser Cleaning
The condenser coil lives in the outdoor cabinet and releases heat collected from inside your home. Ashburn’s pollen season, particularly the oak and birch cycles in April and May, coats these coils in a yellow-green film that acts as insulation. We remove the fan top, straighten bent fins with a comb tool, apply foaming cleaner, and rinse from the inside out to push debris out of the coil rather than deeper in. A clean condenser runs at lower head pressure, which means less wear on the compressor and lower electric bills.

Air Handler Cleaning
The air handler is the metal cabinet that houses the blower, evaporator coil, and often the electric heat strips or gas furnace heat exchanger. We clean the interior cabinet walls, the drain pan and condensate line, and all accessible wiring and components. The drain pan in particular collects biofilm in Ashburn’s humid summers, and a clogged condensate line can overflow and damage ceilings. Our crew snakes the line, treats the pan with antimicrobial, and documents the cabinet interior with photos.

Heat Exchanger Cleaning
The heat exchanger is the metal chamber where combustion gases warm indoor air without mixing with it. Cracks or heavy rust here can allow carbon monoxide into your ductwork, so we inspect with a borescope camera and clean only when safe to do so. For gas furnaces in older Ashburn Village and Goose Creek Village homes, we’ve found exchangers with 15 years of accumulated rust flakes that restricted airflow and caused the high-limit switch to trip repeatedly. Cleaning is documented with video when access permits.

Coil Treatment
After cleaning, we apply a polymer-based coil treatment that creates a slick surface where future dust and biological growth can’t adhere easily. This isn’t a perfume or masking agent; it’s a mechanical barrier that extends the interval between cleanings by 12-18 months in typical Ashburn conditions. The treatment is included in our full-system service and photographed as applied.

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

We’ve cleaned hundreds of Carrier and Trane systems in Ashburn’s 2015-2022 construction, and we stock OEM access panels and coil cleaners matched to their specifications. The variable-speed blowers in newer Carrier Infinity systems require particular care during removal, and our crews have the pin tools and documentation to do it without triggering fault codes. For Trane’s spine-fin coils, we use a specialized rinse technique that cleans between the circular fins without flattening them.
We also regularly service Lennox, Rheem, Goodman, York, and American Standard units throughout Loudoun County, including HVAC Cleaning - Sterling. Whether you have a 25-year-old Rheem in a pre-2000 Ashburn home or a brand-new American Standard in One Loudoun, we can access the manual, identify the components, and clean without voiding any remaining warranty. Our equipment roster includes Rotobrush rotary brushes, Nikro HEPA vacuums, and Abatement Technologies negative-air machines, all sized for residential systems.
Before
AfterSigns You Need HVAC Cleaning Right Now
- Weak airflow at registers even with a new filter. When the blower wheel or evaporator coil is clogged, the system can’t push designed CFM through your ductwork. We measure airflow with a digital anemometer and compare to manufacturer specs; if the coil is the restriction, cleaning typically restores 80-95% of design flow.
- Uneven temperatures between rooms that used to be consistent. A dirty blower can’t maintain the static pressure needed to reach distant duct runs. In Ashburn’s larger homes, particularly in Belmont Country Club and Loudoun Valley Estates, we’ve traced temperature complaints to blower wheels so loaded that the master bedroom register was receiving half its design airflow.
- Musty or chemical odors when the system first cycles on. Biofilm on the evaporator coil or drain pan releases volatile compounds when warmed. The smell often fades after a few minutes because your nose adapts, but the biological activity continues. We treat the source, not the symptom.
- Ice on the refrigerant lines or evaporator coil in summer. A dirty coil can’t absorb enough heat, so refrigerant temperature drops below freezing and ice forms. This stresses the compressor and can cause liquid slugging that destroys it. Cleaning the coil is the first diagnostic step, not a last resort.
- System runs longer than it used to reach the thermostat setpoint. Longer run times mean higher electric bills and accelerated wear. We’ve documented 23% longer cooling cycles in Ashburn homes with moderately dirty condensers, and 40%+ with severely clogged evaporator coils. The photo record shows exactly what was restricting performance.
Our HVAC Cleaning Process - Step by Step

- 1
Written price delivered before work begins. We inspect your system, identify which components need cleaning, and put the full scope and price in writing. Haven Standard Clause 1 requires this on every job; you’ll never hear “call for a quote” from our team. The price is flat per system, not per vent or per hour.
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Photo documentation of every component before cleaning. Our technician photographs the evaporator coil, blower wheel, condenser fins, air handler interior, and heat exchanger access point. These images go into your job record and are shown to you before any work starts. In Ashburn, we’ve had customers decide to upgrade to full duct cleaning after seeing construction debris still lodged in the plenum from their 2017 build.
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Component-specific cleaning with trade-recognized equipment. We match the tool to the task: Rotobrush rotary whips for stubborn blower deposits, Nikro HEPA-contained vacuums for ash and fine particulate, Abatement Technologies negative-pressure machines when we need to isolate a section. Guardsman foaming cleaner for coils. Each product is named so you can verify its purpose independently.
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Post-cleaning photo record and airflow verification. After cleaning, we photograph the same angles and measure register airflow with a digital anemometer. The before-and-after comparison is delivered as part of your standard job record, not as an upsell. You see what was actually removed, not just what we claim to have done.
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Written scope review and 365-Day Done Right Promise. We review what was done, what we found, and any recommendations for repair or maintenance. The 365-Day Done Right Promise is backed in writing: if any cleaned component shows the same condition within a year due to our workmanship, we return and make it right. No manager approval, no runaround.
How Much Does HVAC Cleaning Cost in Ashburn?
A typical evaporator coil and blower cleaning in Ashburn runs $280-$420 for a standard residential system up to 3.5 tons; see how much HVAC Cleaning costs for full-system pricing. Full-system HVAC cleaning, including condenser, air handler, heat exchanger inspection, and coil treatment, ranges from $480-$650 depending on system size and accessibility. Heat pumps with indoor and outdoor coils typically fall in the middle at $380-$520.
Several factors move the price within these ranges. Systems in tight attic spaces, common in Ashburn’s newer townhome developments like One Loudoun and Ashburn Village townhouses, take longer to access and may add $60-$90. Multiple air handlers, found in larger homes with zoned systems, are priced per handler but with a reduced rate for the second and third units. Systems that haven’t been cleaned in 10+ years often require more intensive initial service.
The most important factor in cost is what’s actually included. A competitor’s $79 “HVAC cleaning” coupon typically covers a visual inspection and surface wipedown of the air handler exterior. Our price includes the full component cleaning, photo documentation, airflow verification, and the 365-Day Done Right Promise. We also offer a Free Second Opinion on any written estimate: bring us a competitor’s quote, and we’ll put our scope and price next to it in writing so you can compare line for line.
Every estimate is free, delivered in writing, and valid for 30 days. Call (240) 771-1508 to schedule.
HVAC Cleaning Near Ashburn - Our Service Area

Our Ashburn-based crews cover all of Loudoun County and into Fairfax and Montgomery counties, with typical drive times of 15-25 minutes to HVAC Cleaning in Sterling, HVAC Cleaning in Herndon, Leesburg, Reston, and Chantilly. We also serve Centreville, Vienna, Tysons Corner, and into Gaithersburg, Germantown, and Potomac, Maryland. For homes in the outer service ring, we schedule to minimize drive-time surcharges, and we never charge a trip fee within our standard territory. If you’re unsure whether your address falls in our standard zone, call and we’ll confirm before booking.
Serving Ashburn, VA - Our Local Coverage Area
We’re based in the Ashburn 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 Ashburn

HVAC cleaning targets the mechanical components that heat, cool, and move air: the evaporator coil, blower wheel, condenser, heat exchanger, and air handler cabinet. Air duct cleaning removes debris from the ductwork that distributes conditioned air. Many Ashburn homes need both, but they’re separate services with separate scopes and prices. We can assess which your system actually needs during a free estimate.
A standard residential HVAC cleaning takes 2.5 to 4 hours depending on system size, accessibility, and how many components need service. Tight attic installations or severely neglected systems may extend to 5 hours. We schedule with realistic time blocks so our technician isn’t rushing to the next appointment, and we confirm the expected duration when we deliver your written price. Call (240) 771-1508 to check availability for your preferred date.
Most Ashburn homeowners pay between $280 and $650 for HVAC cleaning, with the majority of single-system homes falling in the $340-$480 range for evaporator coil, blower, and condenser service. We deliver a written, itemized price before any work begins, and that price is flat per system with no per-vent add-ons. Our Free Second Opinion lets you compare any competitor’s written quote against ours line by line.
We clean and service all major residential brands including Carrier, Trane, Lennox, Rheem, Goodman, York, and American Standard, and we carry access tools and cleaning agents matched to their specifications. Our crews reference manufacturer service manuals for your specific model before disassembly. If you have a less common brand, call (240) 771-1508 with your model number and we’ll confirm our capability before scheduling.
We do not offer same-day or emergency dispatch for HVAC cleaning, which is a scheduled maintenance service, not an urgent repair. If your system has failed completely, we recommend contacting an HVAC repair contractor first; once operational, we’re happy to assess whether cleaning would restore performance. For non-urgent scheduling, we typically offer appointments within 3-7 business days, and all calls are answered by a live person 24/7.
Every HVAC cleaning is backed by our 365-Day Done Right Promise: if any component we cleaned shows the same condition within one year due to our workmanship, we return and correct it at no charge. This is a written guarantee included with your job record, not a policy subject to manager discretion. Haven Standard Clause 5: Accountable Work requires this documentation on every job.
Clear a 3-foot workspace around your indoor air handler and outdoor condenser, and ensure we can access your electrical panel. If you have pets, we ask that they’re secured in a separate room while our technician works, both for their safety and for Haven Standard Clause 3: Verified Crews protocol. We’ll call 30 minutes before arrival and identify our technician by name. After service, you’ll receive your photo record and written scope by email within 24 hours.
Schedule Your HVAC Cleaning Service in Ashburn Today
Call (240) 771-1508 to speak with a live person and schedule your free estimate. We’ll inspect your system, photograph the components, and deliver a written price before any work begins. Every job includes our Documented Photo Record and is backed by the 365-Day Done Right Promise. No coupons, no per-vent pricing, no surprises: just documented work you can verify for yourself.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Ashburn since 2013.




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