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One room on a ductless mini split runs $7,000 to $10,000 installed in Reston. Reston Association generally turns down window units in clusters and condos.
Price range
$7,000-$10,000
8yrs @ 7.99%
$99/mo
15yrs @ 9.99%
$75/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
Get your price in writing
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One of our HVAC technicians with a new Trane outdoor unit he just installed.
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceOften same-day, and we will tell you honestly when we can get there.
Our own HVAC installersA dedicated heating and cooling team, separate from our plumbers
Price in writing firstYou see every option priced before anything is ordered
What it costs
Installed, from the price book our HVAC price estimator runs on. A zone is one room with its own indoor head, and you get the price in writing before you decide.
Ductless mini split, one zone, installed
$7,000 to $10,000
or $117/mo at 0% APR for 60 months
Ductless mini split, two zones, installed
$11,000 to $15,000
or $183/mo at 0% APR for 60 months
Ductless mini split, three zones, installed
$12,500 to $18,000
or $208/mo at 0% APR for 60 months
Ductless mini split, four zones, installed
$16,000 to $21,000
or $267/mo at 0% APR for 60 months
Ductless mini split, five zones, installed
$19,000 to $25,000
or $317/mo at 0% APR for 60 months
Ductless mini split, six zones, installed
$23,000 to $30,000
or $383/mo at 0% APR for 60 months
Monthly figures: 60mo @ 0% APR on each starting price, the whole price financed, on approved credit. Longer plans lower the payment and cost more in total. The lender sets the final terms. How financing works
Where you land in a range is mostly the distance from the outdoor unit to the room, the kind of head and the room left in the electrical panel.
The second zone costs the most because it often needs a bigger outdoor unit. Our mini split cost guide explains.
What’s different in Reston
Boilers are rare in Reston, so a mini split here is almost never about a house without ducts. It’s about the one room the ducts don’t serve well. In a 1970s cluster townhouse that’s often a lower level finished long after the house went up, or a top-floor bedroom that bakes in August. In North Point’s single-family houses from the 1980s and 90s it’s more often a sunroom, an addition or the room over the garage.
In a cluster or condo, the fix most people try first is off the table: RA’s guidelines for those homes say window units are generally not approved. A mini split is the permanent answer, a head inside, a compact outdoor unit and a refrigerant line between them. RA’s guidelines never name it, so its general rule applies: any exterior change needs approval unless a guideline or your cluster’s standards say otherwise.
The outside is what gets judged. RA’s single-family equipment guideline wants a wall-mounted unit that sticks out as little as it can, painted the wall’s color, with wiring kept to straight runs in the same color. Hickory Cluster asks more: Design Review Board minutes from October 2024 show it requiring a cover on any refrigerant line left exposed for more than four feet, and a cap on unit size. Before you apply, we mark where the outdoor unit and the line would go.
Lake Anne Village Center, Reston’s first, opened in 1965 and is one of Fairfax County’s Historic Overlay Districts. There the county’s Architectural Review Board reviews exterior alterations that need a building permit, even where an association has its own design committee. If your home is inside the district, ask the county’s ARB staff before an outdoor unit is ordered.
Neighborhood by neighborhood
Census figures for the owner-occupied homes in each place, and the room a ductless head usually ends up in.
| Place | Median home built | Most homes are | Heated with | Where ductless usually fits |
|---|---|---|---|---|
| Reston | 1981 | condo and apartment buildings, about 4 in 10 | gas, about 5 in 10 | 1980s and 90s houses: the bonus room, the sunroom, the far bedroom. |
| Great Falls Crossing | 1993 | single-family houses, about 9 in 10 | gas, about 8 in 10 | 1980s and 90s houses: the bonus room, the sunroom, the far bedroom. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
When it’s the right call
In an older Reston townhouse the lowest floor was often finished after the fact, with a register or two below a system sized for the floors above. A head down there heats and cools that level on its own setting, and the rest of the house keeps its thermostat.
The bonus room, the sunroom, the bedroom over the garage. We check for a closed damper or a crushed duct first; sometimes that’s all it is.
An addition, a finished attic, a garage turned into a room. Stretching the ducts into it usually starves the rooms already on them.
Paperwork, locally
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who installs it
Questions worth asking anybody who quotes you, us included.
In Reston the outdoor unit and the line route are what need approval, not the head. Ask where each goes and how the line is covered and painted before the price is final, so the quote matches what your cluster or RA signs off on.
If the room’s trouble is a closed damper or a crushed duct, a mini split is an expensive fix for a cheap problem. Ask what they checked first.
Ask whether it covers the line set run, the new circuit and putting the walls back, or only the equipment.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,132 reviews. Read them on our reviews page.
He was very professional and had a great grasp of a mini-split system, the product you use and installation options in my particular space. He must be a very valued resource for your company.
Where we work
Next door to Reston: Herndon, Great Falls, Oakton, Vienna and Sterling.
The system we put in first
Built to take a beating. Put in by our crew.
Heat lamps, snow and rain on one outdoor unit: that’s Trane’s own film. We’re a Trane Comfort Specialist, on Trane’s own dealer locator, and when you pick a Trane, our crew puts it in.
Films: Trane’s own.
Questions
Often, with the association’s yes. The head goes inside your unit, but the outdoor unit and the line set attach to the building, which is the association’s. In 20190 more than half the homes are in condo and apartment buildings, so start with your condo documents.
One, if you’ll want two rooms done. A multi-zone outdoor unit runs both heads, two zones run $11,000 to $15,000 installed, and it’s one unit for RA and the neighbors to look at instead of two side by side against a cluster wall.
Installed, one zone is $7,000 to $10,000, two zones $11,000 to $15,000 and three zones $12,500 to $18,000, up to $23,000 to $30,000 for six. The HVAC price estimator gives your number.
Both. A ductless system is a heat pump, and cold-climate models keep heating well below freezing, which covers a Northern Virginia winter.
Ready when you are
Call, or send the form at the top. You get the installed price in writing before anything goes on the wall.
SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
Virginia Class A contractor license #2705192276
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Reston and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,132 reviews on Google, Angi, Yelp, the BBB and Facebook. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
From SwiftPro Heating, Cooling & Plumbing in Chantilly. Housing figures are the Census Bureau’s American Community Survey, 2020 to 2024, for each place named; permit, water and sewer facts link to each office’s own page and were checked in September and October 2026.