Air duct cleaning in Sterling.
Air duct cleaning in Sterling, from Sterling Park to Sugarland Run, Cascades and Lowes Island.
Whole Home Air Duct Cleaning is $598, regularly $798, for a home up to 2,000 square feet on one system.
We photograph what’s inside yours before any price.
- Camera photos first
- Priced by the system, in writing
- Dedicated HVAC team
Get your duct price in writing
Sterling went up in waves, and each wave ran its ducts differently.
Sterling’s oldest streets are around Sterling Park, south of Route 7, and in Sugarland Run just north of it: about four in ten homes in each went up before 1980. Countryside is about eight in ten 1980s and 90s houses. Cascades and Lowes Island came after, their median homes both from 1996, and most of the condos around Dulles Town Center were built after 2000.
Those waves show the moment a register comes off. A Sterling Park house from the 1970s usually still has its first sheet metal, and after fifty years and a few owners the ductwork has often been patched around a moved wall or an addition. A 1990s house in Cascades or Lowes Island tends to have a metal trunk in the basement with flexible runs off it, and the bigger ones often add a second system in the attic for the bedrooms.
How the house heats matters too. In Sterling proper, south of Route 7, just over half the owner homes run on electric heat, and in Countryside nearly eight in ten do, most of them with heat pumps, whose air handlers keep air moving through the ducts for hours at a stretch all winter. Cascades is the opposite, about eight in ten on gas. The cleaning is the same, but a heat pump house leans harder on its filter, so the filter rack and the return grille are where we start.
Dulles Town Center is a different Sterling again. More than half its homes are in condo and apartment buildings, and seven in ten are rented. Those are small systems in a closet with short runs, and the easy time to clean one is when a lease ends, so the owner sees the camera photos with nobody’s furniture in the way.
What the ducts look like across Sterling.
Census figures for each place, and what that usually means when we open the system. Median year built and heat count owner-occupied homes only.
| Place | Median home built | Most homes are | Heated with | What we usually find |
|---|---|---|---|---|
| Sterling | 1979 | single-family houses, about 5 in 10 | electricity, about 5 in 10 | Houses from before 1980: original sheet metal, and returns built into the floor framing. |
| Lowes Island | 1996 | single-family houses, about 6 in 10 | gas, about 7 in 10 | Townhouse streets: an air handler in a closet or attic, and a long dryer vent run. |
| Cascades | 1996 | townhouses, about 4 in 10 | gas, about 8 in 10 | 1980s and 90s houses: sheet-metal trunks, flexible runs and one big return. |
| Sugarland Run | 1983 | single-family houses, about 6 in 10 | gas, about 5 in 10 | 1980s and 90s houses: sheet-metal trunks, flexible runs and one big return. |
| Dulles Town Center | 1998 | condo and apartment buildings, about 5 in 10 | gas, about 9 in 10 | Condo and apartment buildings: small closet systems and short runs. |
| Arcola | 2017 | townhouses, about 5 in 10 | gas, about 8 in 10 | Townhouse streets: an air handler in a closet or attic, and a long dryer vent run. |
| Oak Grove | 2005 | townhouses, about 8 in 10 | gas, about 9 in 10 | Townhouse streets: an air handler in a closet or attic, and a long dryer vent run. |
Sterling houses, by the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
Sterling
- Built before 1980about 2 in 10 Census
- Built since 2000about 2 in 10 Census
- Most homes aresingle-family houses, about 4 in 10 Census
- Heated withgas, about 6 in 10 Census
- Rentedabout 3 in 10 Census
- 1980s and 90s houses usually run one big central return for a whole floor, and it loads up fast.
- Townhouse dryer vents run long, to the roof or the back wall, and long runs clog sooner.
What duct cleaning costs in Sterling.
The same price book as our air duct cleaning page, for a home up to 2,000 square feet on one system. We look first: the tech takes a cover off, puts a camera in and photographs what’s in your ducts, then shows you, so you see their current condition before you decide. No charge, including when yours are fine. Then you get the price in writing, then we clean.
- Return Air Duct Cleaning$298
- Whole Home Air Duct Cleaning$598, regularly $798
- Whole Home Air Duct Cleaning with ActivePure Air Scrubber$1,798
- Dryer Vent Cleaning, on its own$298
- Dryer Vent Cleaning, added to a duct cleaning$199
A second system bills at 90 percent of the tier, because it’s isolated and cleaned on its own. The calculator on our air duct cleaning page does the arithmetic for a bigger house.
The dryer vent cleaning is the yearly one, and it’s in Comfort+ membership at $199 a year along with a water heater flush with a sewer camera inspection, a heating maintenance visit and a cooling maintenance visit.
When duct cleaning is worth it in Sterling.
The basement got finished later
Houses from the 1970s and 80s, a big share of Sterling, often got their lower level finished years after they were built. If the system ran while the drywall was sanded, the dust went where the returns pulled it, and nobody has been in there since.
The dryer takes two cycles
In a townhouse the vent usually runs a long way to the roof or the back wall. When clothes stop drying in one cycle, that line is the first thing to check, and it’s the one with a fire risk behind it.
You just bought the place
You don’t know whether the last owners had three cats or ever took a register cover off. Most new owners want it done once, early, so they know what they’re starting with.
What the county says about dryer vents.
Loudoun County
Ashburn Volunteer Fire and Rescue, one of the companies in Loudoun County’s fire and rescue system, says the dryer vent, from the back of the dryer to the outside of the house, should be cleaned at least once a year, and that longer drying times are a sign it’s clogged. Source.
How to pick the best duct cleaning company in Sterling.
Questions to ask anybody who quotes you, us included.
Do they know their way around a heat pump air handler?
Cleaning the ducts means opening the air handler, and in a heat pump house that cabinet holds the coil, the blower and the backup heat strips. An HVAC tech puts it back the way it came apart, and can tell you whether the coil needs attention while it’s open.
Do they look before they quote?
Ask whether they’ll put a camera in and show you photos of what’s inside first. A price given at the door, sight unseen, is a price for the average house, not yours.
Do they clean the returns, or only the supply vents?
The returns are the big grilles that pull air back to the system, and they’re the side that collects dust. A job that only counts supply registers leaves half the system alone.
Is the price for the whole system, in writing?
Ask what it covers: every supply and return, the main trunk, the blower compartment. The $59 mailbox coupon covers getting somebody into the attic.
What our customers say.
Moises and SwiftPro were excellent. They cleaned my dryer duct and repaired an area that had become disconnected and was therefore posing a fire hazard. Moises was punctual, friendly, and even went the extra mile to help me briefly with another small household project.
5.0 stars across 884 Google reviews. Read them on our reviews page.
Duct cleaning questions from Sterling.
Do you clean ducts on both sides of Route 7 in Sterling?
Yes. Sterling Park and the rest of the streets south of Route 7, and Sugarland Run, Countryside, Cascades, Lowes Island and Potomac Falls to the north, plus the condos around Dulles Town Center. Same crew and the same price book, and cleaning needs no permit.
My Sterling house is from the 1970s. Are the ducts any different?
Often. Some of the returns in a house that age aren’t ducts at all, just the space between two joists or two studs with a panel nailed over it, and they gather whatever drops in. Runs that got boxed in during a remodel are harder to reach. The camera photos show which runs need the work before you pay for anything.
My heat pump smells like burning dust on the first cold morning. Is that the ducts?
Usually it’s dust on the backup heat strips in the air handler, burning off the first time they come on for the season. A smell that fades the same day is normal. One that lingers, or comes back every time the strips kick in, is worth a look, and a dusty system gives them more to burn.
How much does air duct cleaning cost in Sterling?
$598 for Whole Home Air Duct Cleaning, regularly $798, on a home up to 2,000 square feet with one system, $298 for Return Air Duct Cleaning, and $1,798 with an ActivePure air scrubber installed. A dryer vent is $298 on its own or $199 added to a duct cleaning.
Is it worth it?
Sometimes, and the camera photos are how you find out. If the duct walls are furred over, cleaning takes that out of the loop your air runs through, and the before and after are obvious. If the metal is clean, it isn’t worth doing and we’ll say so. The EPA’s position is that routine cleaning hasn’t been shown to prevent health problems, so we don’t sell it that way.
Duct cleaning in the towns next door.
- Air duct cleaning in Ashburn
- Air duct cleaning in Herndon
- Air duct cleaning in Reston
- Air duct cleaning in Great Falls
- Air duct cleaning in Chantilly
More from SwiftPro in Sterling
Camera photos first, at no charge.
Call, or book online and pick a window. The camera photos come first and cost nothing, including when yours turn out to be fine.
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Sterling and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 884 Google reviews. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
SwiftPro Heating, Cooling & Plumbing, 4230 Lafayette Center Dr, Suite N, Chantilly, VA 20151, (703) 997-9757. Book online, read our reviews, or see every town we serve.