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
AfterAir Duct Cleaning in Fairfax, VA
HVAC cleaning in Fairfax typically costs $350-$650 for a whole-system service, with most jobs scheduled within a week and completed in one day. We’re CleanRun Duct Repair & Cleaning, and our crews work Fairfax homes built during the county’s Cold War federal-employment boom - colonials, split-levels, and ramblers in Mantua, Kings Park, and Greenbriar whose original ductwork is now 30-60 years old. Every job starts with a written price before any panel comes off, and every duct run is photographed before and after. Call (240) 771-1508 for a free estimate.
Why Fairfax Homes Are Different
Fairfax County’s housing stock is dominated by 3-4 bedroom colonials and split-levels built in planned subdivisions between 1960 and 1995. Many still run on original forced-air systems with fiberglass-lined ductwork that has never been serviced. In the creek corridors along Pohick Creek, Difficult Run, and Bull Run tributaries, flex duct sags and disconnects in crawl spaces, trapping moisture that drives biological growth.
The climate compounds the problem. Fairfax’s humid subtropical weather keeps AC running nearly continuously from May through September, pulling particulates through the same ducts for months. Northern Virginia also ranks among the worst mid-Atlantic metro areas for spring tree pollen - oak and tulip poplar saturate return-air intakes during the April-May peak, loading ductwork before summer cooling begins. In Mantua and Kings Park, we regularly find the original internal fiberglass duct liner crumbling into the airstream, a failure mode tied directly to this era of construction.
Our Main Fairfax Services
These are the three services Fairfax homeowners call about most. Each has its own Fairfax page with full pricing and local details.
Air Duct Cleaning in Fairfax
We clean the full supply and return network in Fairfax’s older split-levels and colonials, where decades of pollen, skin cells, and construction debris settle in low-velocity duct runs. Our crews use Rotobrush and Abatement Technologies negative-pressure extraction systems, photographing every run before and after. Air Duct Cleaning in Fairfax covers whole-system pricing and what we find in local homes.
Dryer Vent Cleaning in Fairfax
Fairfax’s multi-level colonials often route dryer vents through long vertical or horizontal runs that clog with lint faster than short through-wall exits. We clean the full vent path from appliance to termination, test airflow with an anemometer, and document the before-and-after photo record. Dryer Vent Cleaning in Fairfax has local pricing and safety details.
Duct Repair & Sealing in Fairfax
Original sheet-metal and early flex ductwork in Fairfax’s 1960s-1990s homes leaks at seams, disconnects at elbows, and collapses in damp crawl spaces. We seal with mastic or replace damaged sections, then pressure-test the system. Duct Repair & Sealing in Fairfax explains when repair beats replacement.
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.
BeforeAfterHVAC Cleaning in Fairfax
Fairfax’s federal-boom-era homes run HVAC systems hard through pollen-heavy springs and humid summers, coating evaporator coils and blower assemblies with debris that restricts airflow and drives up energy bills. We clean the full air-handling side of the system - not just the ducts - because in these 30-60 year old systems, the machinery works harder than the ductwork. HVAC Cleaning covers our full equipment and process standards.
Evaporator Coil Cleaning
Signs you need it
Ice buildup on the refrigerant lines, weak airflow from registers, or AC running continuously without reaching setpoint.
What it costs in Fairfax
Evaporator coil cleaning in Fairfax typically runs $180-$320.
How we do it
We remove the access panel, apply foaming cleaner to the coil fins, rinse with low-pressure water, and photograph the before and after condition for the job record.
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 Fairfax
Blower assembly cleaning in Fairfax typically runs $150-$280.
How we do it
We remove the blower wheel and housing, clean blades and motor housing with compressed air and solvent, balance the assembly, and document with photos.
What HVAC Cleaning Costs in Fairfax
| Item | Typical range in Fairfax |
|---|---|
| Evaporator coil cleaning | $180-$320 |
| Blower assembly cleaning | $150-$280 |
| Full HVAC cleaning (coil + blower + housing) | $350-$650 |
How do I know if my HVAC needs cleaning or just the ducts?
If your registers blow weak or warm air despite clean ducts, the restriction is likely at the coil or blower. We inspect both during our initial assessment and quote only what the system actually needs.
Can HVAC cleaning lower my summer electric bill in Fairfax?
Yes - a dirty coil or blower forces the compressor to run longer, and in Fairfax’s May-September cooling season that adds up. Most homeowners see measurable improvement in cycle times after cleaning.
Air Quality & Sanitizing in Fairfax
Fairfax’s combination of old fiberglass-lined ductwork, high spring pollen loads, and crawl-space moisture creates conditions where biological growth and persistent odors take hold in the HVAC system. We treat the source, not the symptom, with applications that target what the photo record actually shows growing inside. Air Quality & Sanitizing details our full treatment protocols.
Mold Treatment
Signs you need it
Musty odor at startup, visible growth on register grilles, or moisture staining on ceiling panels below duct runs.
What it costs in Fairfax
Mold treatment in Fairfax typically runs $400-$750 depending on affected duct length.
How we do it
We apply an EPA-registered botanical fungistat to affected surfaces, run negative-pressure extraction during application, and deliver before-and-after photos of each treated run.
UV Light Installation
Signs you need it
Recurring mold or biofilm after cleaning, or chronic allergy symptoms that persist despite duct cleaning.
What it costs in Fairfax
UV-C light installation in Fairfax typically runs $350-$600 per unit.
How we do it
We mount a UV-C lamp in the supply plenum upstream of the coil, wire to the blower circuit for automatic operation, and verify irradiance with a meter.
What Air Quality & Sanitizing Costs in Fairfax
| Item | Typical range in Fairfax |
|---|---|
| Mold treatment (whole system) | $400-$750 |
| UV-C light installation | $350-$600 |
| Bacteria sanitizing (whole system) | $300-$550 |
Is mold in my ducts common in older Fairfax homes?
Yes - we find it regularly in 1960s-1980s homes with original fiberglass liners, especially those over damp crawl spaces near Pohick Creek or Difficult Run.
Will UV lights eliminate pollen too?
No - UV-C targets biological growth like mold and bacteria. For pollen, we recommend pairing UV with whole-system duct cleaning and a high-MERV filter.
Brands We Service in Fairfax
We stock parts and service equipment from Aprilaire, Honeywell, Abatement Technologies, and Guardsman, with most replacement components available for next-day installation in Fairfax. Our brands page lists full compatibility.
Pricing for Air Duct Cleaning in Fairfax, VA
| Service | Typical range in Fairfax |
|---|---|
| Whole-system air duct cleaning | $300-$550 |
| Dryer vent cleaning | $120-$220 |
| Duct repair & sealing (per system) | $250-$600 |
| Evaporator coil cleaning | $180-$320 |
| Blower assembly cleaning | $150-$280 |
| Full HVAC cleaning | $350-$650 |
| Mold treatment | $400-$750 |
| UV-C light installation | $350-$600 |
| Bacteria sanitizing | $300-$550 |
| Odor removal treatment | $250-$450 |
Prices increase in Fairfax when we encounter collapsed flex duct, heavy biological growth requiring extended treatment, or access limited by finished basements. Every price is written and agreed before work starts, per Haven Standard Clause 1 - no exceptions.
Neighborhoods We Serve in Fairfax
We schedule Fairfax appointments from our Washington, DC dispatch office, with crews typically arriving within agreed windows across these areas:
- Mantua
- Kings Park
- Greenbriar
- Fair Lakes
- Woodburn
Most Fairfax jobs are scheduled within 5-7 business days, with emergency repairs accommodated sooner when equipment failure is documented.
Service Area - Cities Near Fairfax
Our crews work the full Northern Virginia corridor. We regularly schedule alongside Fairfax jobs in Burke, VA, Vienna, VA, Annandale, VA, and Chantilly, VA, often routing same-day estimates when addresses align.
Serving Fairfax, VA - Our Local Coverage Area
We’re based in the Fairfax 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 About Air Duct Cleaning in Fairfax
Most Fairfax HOAs regulate exterior work and parking, not interior service calls. We carry general liability and workers compensation certificates if your association requests documentation, and we provide these at no charge with your written estimate.
Most Fairfax homeowners book within 5-7 business days. We do not promise same-day dispatch - duct cleaning is a scheduled, documented service - but we hold emergency slots for confirmed equipment failures that affect heating or cooling.
We serve both the independent city of Fairfax and surrounding Fairfax County addresses, including unincorporated neighborhoods like Mantua and Kings Park that use Fairfax mailing addresses but lie outside city limits. Your ZIP code determines dispatch routing, not municipal boundaries.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Fairfax Customers Say
"My allergies genuinely improved. They also told me the ducts did not need sealing, which I had been quoted for elsewhere."
- Petra K."The dryer vent was almost completely blocked with lint. They showed me the photograph and I understood immediately why the dryer had been running twice."
- Lucia M."Thorough job on the ducts and the dryer vent. Left the house clean and the paperwork was clear."
- Rafael I.