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SwiftPro technician installing Trane air conditioning unit in Northern Virginia home.
Alexandria, Virginia

Ductless mini splits in Alexandria.

In Alexandria, one ductless zone is $7,000 to $10,000 installed, the usual way a City radiator house gets cooling with no new ducts.

$117/mo60mo @ 0% APR

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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  • Published price ranges
  • Heats and cools, room by room
  • Dedicated HVAC team

5.0 stars across 1,132 reviews

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

What a ductless mini split costs in Alexandria.

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 Alexandria

Radiator houses in the City, rooms added later on the county side.

Inside the City we still work on boilers and radiators; on the Fairfax County side they’re rarer. A house heated by hot water through radiators was never built with a path for cold air, and cutting one through the plaster of an older City house is a renovation. A mini split skips it: a small line set through an outside wall to a head in the room, and the boiler still carries January.

A City rowhouse stacks its rooms, living space down and bedrooms above, sometimes a third floor under the roof, so it usually takes a head per floor or per bedroom on one multi-zone outdoor unit. Two heads come to $11,000 to $15,000; three heads, $12,500 to $18,000, installed. In Old Town and Parker-Gray, placement matters too. On the ground at the side or back, out of public view, the Board of Architectural Review isn’t involved; on a roof, the City wants it concealed.

More than half the City’s homes sit in condo or apartment buildings, and there ductless gets complicated. The City’s guidance for condo owners wants a listed fire-stop system wherever a new hole goes through an existing wall or floor, shown on the permit plans, and a panel upgrade needs a registered electrical engineer’s study of the whole building first. A mini split needs both a hole and a circuit. If the panel has room, it’s an ordinary job; if not, the association and the engineer come before anyone prices a head.

On the county side the ductless room is usually the one added later. Fort Hunt is nearly all single-family houses, most built before 1980, where a back family room or a basement finished decades later is the classic spot for a head. In the townhouses of Kingstowne and Franconia it’s more often a top-floor room or a lowest level somebody finished long after the sales trailer closed.

A wall-mounted ductless mini split indoor head installed high on an interior wall of a Northern Virginia home, heating and cooling that one room

Neighborhood by neighborhood

Where a mini split usually goes across Alexandria.

Census figures for the owner-occupied homes in each place, and the room a ductless head usually ends up in.

PlaceMedian home builtMost homes areHeated withWhere ductless usually fits
City of Alexandria1970condo and apartment buildings, about 5 in 10gas, about 6 in 10Condo buildings: an outdoor unit needs the association’s yes.
Rose Hill1969single-family houses, about 7 in 10gas, about 7 in 10Additions, sunrooms and upstairs rooms the old ducts barely reach.
Franconia1986townhouses, about 5 in 10electricity, about 6 in 10Townhouses: the top floor, where the HOA allows the outdoor unit.
Fort Hunt1963single-family houses, nearly allgas, about 8 in 10Additions, sunrooms and upstairs rooms the old ducts barely reach.
Kingstowne1994townhouses, about 5 in 10gas, about 7 in 10Townhouses: the top floor, where the HOA allows the outdoor unit.
Woodlawn1976townhouses, about 4 in 10electricity, about 6 in 10Additions, sunrooms and upstairs rooms the old ducts barely reach.
Lincolnia1982single-family houses, about 4 in 10gas, about 7 in 101980s and 90s houses: the bonus room, the sunroom, the far bedroom.
Mount Vernon1967single-family houses, about 7 in 10gas, about 7 in 10Additions, sunrooms and upstairs rooms the old ducts barely reach.

By the numbers

Alexandria houses, by the numbers

From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.

The City of Alexandria

  • Median home built1970 Census
  • Built before 1980about 6 in 10 Census
  • Built since 2000about 2 in 10 Census
  • Most homes arecondo and apartment buildings, about 5 in 10 Census
  • Heated withgas, about 6 in 10 Census
  • Rentedabout 6 in 10 Census
  • Ducts in houses this age were often sized for the furnace, not for cooling, so upstairs rooms run warm in July.
  • Condo buildings usually need the association’s approval before an outdoor unit goes on.

The Fairfax County side

  • Built before 1980about 5 in 10 Census
  • Built since 2000about 1 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
  • In townhouse communities the HOA often has a say in where an outdoor unit can sit.
  • In a gas-heated house a mini split adds heat pump heating to one room; the furnace keeps the rest.

When it’s the right call

When a ductless mini split makes sense in Alexandria.

The rowhouse’s top floor bakes

Heat collects under an old City roof, and a radiator house has no ductwork to pull it down and out. A head on the top floor alone is often the first zone, with more to follow if it earns its keep.

Radiators and no ductwork

A house heated by a boiler has no ducts to carry cool air. Ductless is how it gets air conditioning without opening the plaster.

You’re in a condo

An outdoor unit on a condo building usually needs the association’s approval first, and some buildings say where it can go. Ask before you price one.

Paperwork, locally

Who signs off on a mini split in Alexandria.

Fairfax County

Fairfax County lists replacing a heating or cooling system as mechanical permit work. Source.

Fairfax County asks for an A2L refrigeration system certification with the permit for any heat pump or air conditioner that runs on the newer A2L refrigerants. Source.

A SwiftPro technician beside a wrapped SwiftPro van in a Northern Virginia driveway, with the Virginia Class A contractor license number 2705192276 on the panel

Our Virginia Class A contractor license, 2705192276, is on the side of the van.

Choosing who installs it

How to pick the best mini split installer in Alexandria.

Questions worth asking anybody who quotes you, us included.

  1. Did they mark the line set’s route?

    The refrigerant lines, the wire and the drain between head and outdoor unit run inside the wall or along the outside of it. On an Old Town brick front or a condo building that route matters as much as the head, so ask to see it marked before you sign.

  2. Did they check the rest of the house first?

    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.

  3. Is the whole job in the price?

    Ask whether it covers the line set run, the new circuit and putting the walls back, or only the equipment.

Two SwiftPro technicians going over a work order on a tablet in front of the van fleet in Northern Virginia

Two of our crew going over a work order before the day's calls.

From our Google reviews

What our customers say.

5.0 stars across 1,132 reviews. Read them on our reviews page.

Hard to find service like this in Alexandria.

J F., Google review, April 2025

…we had swift and professional responses for multiple plumbing and HVAC needs in our Rosemont Alexandria condo

Bradford S., Google review, January 2026

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.

noshea2, Google review, October 2025

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.

Trane's film: a Trane outdoor unit on a dark lab stage under the Trane logo and "It's Hard To Stop A Trane."
Trane's film: a Trane outdoor unit under a spotlight against a bare wall.

Questions

Ductless mini split questions from Alexandria.

Does a mini split in a City condo need the association’s OK?

Usually, yes. The City says a condo owner’s improvements have to follow the association’s governing documents, and a condenser on a balcony, a roof or the ground sits outside your unit. Ask the management office for its rules on outdoor equipment and new wall openings first.

Can a mini split take over from the boiler in an Old Town house?

In the rooms it serves it heats too, so it can carry spring and fall alone. In a radiator house the boiler usually stays for the coldest weeks anyway.

How much does a ductless mini split cost in Alexandria?

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.

Does a mini split heat, or only cool?

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

Tell us which room it is.

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 Alexandria 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.

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