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 Falls Church, VA
Complete HVAC cleaning in Falls Church typically runs $450-$850 for a whole-system job, with air quality and sanitizing services adding $200-$600 depending on whether mold treatment or UV installation is needed. Falls Church’s concentration of postwar homes with 60- to 80-year-old ductwork means we find debris buildup and moisture damage far more often than in newer Fairfax County suburbs. Call (240) 318-7712 for a written estimate before any work begins.
We dispatch crews to Falls Church from our Washington, DC office, and the city’s compact footprint means most appointments schedule within a few days. Every job starts with a written price and ends with a Documented Photo Record of every duct run.
Why Falls Church Homes Are Different
Falls Church covers just 2.2 square miles, making it one of the smallest independent cities in the country. Within that tight boundary, the residential core is almost entirely post-WWII construction: Cape Cods, split-levels, and brick colonials built from the late 1940s through the mid-1960s. Unlike neighboring Fairfax County, where 1970s and 1980s subdivisions dominate, Falls Church’s housing stock is uniformly aging. Original sheet-metal duct systems run through uninsulated crawl spaces and cramped attic chases that have rarely been opened since installation.
The city’s humid subtropical climate compounds the problem. Hot, humid summers create persistent condensation inside crawl-space duct runs, and the dense canopy of mature oaks and maples drops heavy pollen loads near outdoor intakes. We also see a clear pollution-proximity pattern: homes within a few blocks of Route 7 (Leesburg Pike) and Route 29 (Lee Highway) carry substantially heavier particulate buildup than those on quieter side streets, a consequence of Falls Church’s unusual geography as a tiny city bisected by two major regional arterials.
Our Main Falls Church Services
Most Falls Church homeowners who call us need one of these three services. Each has its own dedicated page with full pricing and scope details.
Air Duct Cleaning in Falls Church
We clean the full duct network in Falls Church’s postwar homes, including supply and return runs, registers, and the plenum (the central distribution box). Original ductwork from the 1950s and 1960s often shows seams that have loosened over decades, releasing debris into living spaces even when the HVAC system runs normally. Air Duct Cleaning in Falls Church
Dryer Vent Cleaning in Falls Church
Dryer vent blockages are common in Falls Church’s older homes, where vent runs were often routed through walls or crawl spaces with multiple elbows that trap lint. We clear the full run from appliance to exterior termination and photograph the before and after condition. Dryer Vent Cleaning in Falls Church
Duct Repair & Sealing in Falls Church
Sealed duct systems lose 20-30% less conditioned air than leaky ones. In Falls Church, we regularly find original mastic and tape that has dried and failed, plus corrosion at crawl-space joints from decades of humidity exposure. We reseal with modern materials and document every repair. Duct Repair & Sealing in Falls Church
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 Falls Church
Most Falls Church homes still run their original ductwork, and many have had the HVAC blower or coil replaced while the distribution system was left untouched. That partial-upgrade pattern means evaporator coils and blowers work harder to push air through restricted runs, shortening component life and raising energy bills. We clean the full mechanical system, not just the ducts, because in 60-year-old homes the equipment and the distribution network have shared the same neglect. HVAC Cleaning covers our full scope for homeowners researching before they call.
Evaporator Coil Cleaning
Signs you need it
Ice buildup on refrigerant lines, weak airflow from registers, or a musty smell when the AC first cycles on.
What it costs in Falls Church
Evaporator coil cleaning in Falls Church typically runs $180-$340.
How we do it
We access the coil through the plenum, apply foaming cleaner approved for aluminum fins, rinse with low-pressure water, and photograph the before and after condition for the job record.
Blower Cleaning
Signs you need it
Unbalanced airflow between rooms, a humming motor that seems to strain, or dust puffing from registers at startup.
What it costs in Falls Church
Blower cleaning in Falls Church typically runs $150-$280.
How we do it
We remove the blower assembly, clean the squirrel cage and motor housing with compressed air and solvent, balance the fan, and test amp draw before reassembly.
What HVAC Cleaning Costs in Falls Church
| Item | Typical range in Falls Church |
|---|---|
| Evaporator coil cleaning | $180-$340 |
| Blower cleaning | $150-$280 |
| Full HVAC system cleaning (coil + blower + air handler) | $450-$850 |
How do I know my HVAC system needs cleaning, not just the ducts?
If your ducts were cleaned recently but rooms still heat or cool unevenly, the blower or coil is likely clogged with debris the duct cleaning didn’t reach. We inspect both with a camera before quoting.
Can HVAC cleaning improve my energy bills in an old Falls Church home?
Yes, a clean blower and coil move air more efficiently, which can reduce runtime; in homes with 60-year-old ductwork, the improvement is often noticeable because the system was already working against restriction.
Air Quality & Sanitizing in Falls Church
Falls Church’s combination of old ductwork, humid summers, and heavy tree pollen creates conditions where biological growth inside ducts is common, not rare. We find mold in crawl-space runs during roughly half of our initial inspections, and the city’s mature oak canopy produces pollen loads that settle in ductwork and feed microbial colonies. Air Quality & Sanitizing addresses these problems with documented treatments, not fog-and-go sprays.
Mold Treatment
Signs you need it
Visible mold around registers, a persistent earthy smell when the system runs, or recent water intrusion in a crawl space or basement.
What it costs in Falls Church
Mold treatment in Falls Church typically runs $300-$600 depending on the number of affected duct runs.
How we do it
We apply an EPA-registered antimicrobial through the full duct system under negative pressure, treat the plenum and registers, and deliver lab-verifiable before and after photos.
UV Light Installation
Signs you need it
Recurring mold despite previous cleaning, or a household member with respiratory sensitivity that flares when the HVAC cycles.
What it costs in Falls Church
UV light installation in Falls Church typically runs $400-$800 including the lamp and power supply.
How we do it
We mount a UV-C lamp in the supply plenum where it irradiates the coil and passing air, wire it to the blower circuit for automatic operation, and show the customer the installation photo.
What Air Quality & Sanitizing Costs in Falls Church
| Item | Typical range in Falls Church |
|---|---|
| Mold treatment | $300-$600 |
| UV light installation | $400-$800 |
| Bacteria sanitizing (whole system) | $200-$400 |
Is mold in ducts common in Falls Church homes?
Yes, the humid crawl spaces and 60- to 80-year-old metal ductwork in most Falls Church homes create condensation points where mold establishes; we find it in roughly half of first-time inspections.
Will UV lights prevent mold from coming back?
UV-C lamps inhibit mold growth on the coil and in the plenum where they’re installed, but they don’t clean existing debris; we recommend pairing installation with a full system cleaning for best results.
Brands We Service in Falls Church
We carry parts and stock filters for Honeywell, Aprilaire, and Abatement Technologies systems commonly found in Falls Church’s postwar homes. Most replacement components are available same-day, and our technicians arrive with Nikro HEPA vacuums and Rotobrush equipment on every truck. See our brands for the full roster.
Pricing for Air Duct Cleaning in Falls Church, VA
| Service | Typical range in Falls Church |
|---|---|
| Whole-home air duct cleaning | $350-$650 |
| Dryer vent cleaning | $120-$200 |
| Duct repair & sealing (per system) | $400-$900 |
| Evaporator coil cleaning | $180-$340 |
| Blower cleaning | $150-$280 |
| Full HVAC system cleaning | $450-$850 |
| Mold treatment | $300-$600 |
| UV light installation | $400-$800 |
| Bacteria sanitizing | $200-$400 |
| Odor removal treatment | $250-$450 |
Prices in Falls Church run toward the higher end of these ranges when homes have original 1950s ductwork with multiple crawl-space runs or when mold treatment requires access through finished basement ceilings. Every price is written and agreed before work starts, per Haven Standard Clause 1.
Neighborhoods We Serve in Falls Church
Falls Church’s compact size means no neighborhood is more than a few minutes from any other, and we schedule most appointments within two to three days. These are the areas we most commonly work:
- City of Falls Church (original downtown grid)
- West Falls Church (near Route 7 and I-66)
- East Falls Church (along Route 29 corridor)
- Seven Corners adjacency (eastern border)
- Bel Air (northwest residential pocket)
Service Area - Cities Near Falls Church
We serve homeowners throughout the inner Northern Virginia corridor. Crews working in Arlington, VA often route through Falls Church on the same day, and we regularly schedule paired appointments with customers in Vienna, VA and Springfield, VA. Our Alexandria, VA customers share the same humid climate and aging housing stock challenges.
Serving Falls Church, VA - Our Local Coverage Area
We’re based in the Falls Church 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 Falls Church
No permit is required for standard duct cleaning or HVAC maintenance in Falls Church. Duct replacement or structural modification may need city approval; we handle permit research and include any costs in the written estimate if applicable.
Most Falls Church appointments schedule within two to three business days. The city’s small geographic footprint lets us cluster jobs efficiently, and we often accommodate specific timing requests for households with young children or home-office needs.
Yes, we work in Falls Church’s condo and townhouse units, including those with shared mechanical systems. We coordinate with building management when access to common areas is needed and document all work for HOA records.
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 Falls Church Customers Say
"Flat price agreed up front, no per-vent add-ons at the end. That was the whole reason I did not call the coupon company."
- Suzanne B."They found a disconnected duct in the crawl space that had been dumping conditioned air under the house for years. Photographed it, quoted the repair, fixed it."
- Devon A."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.