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  2. Ductless mini splits
McLean, Virginia

Ductless mini splits in McLean.

In McLean a one-zone ductless mini split runs $7,000 to $10,000 installed. In a boiler house with no ducts, it’s how the bedrooms get cooled.

  • Published price ranges
  • Heats and cools, room by room
  • Dedicated HVAC team
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A SwiftPro HVAC technician in the blue company polo standing behind a new Trane outdoor unit he just installed at a Northern Virginia home
One of our HVAC technicians with a new Trane outdoor unit he just installed.

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What’s different in McLean

Boiler houses with no ducts and 1950s houses that grew: ductless in McLean.

McLean is where we see boilers most. Hot-water heat is a regular part of our McLean heating work, far more than anywhere else we go. A boiler warms the house through radiators or baseboard, so a home built around one may have no ductwork at all, and the summer plan is window units or a duct system squeezed into the attic later. Ductless heads are a third way: a head high on the wall in every room that needs cooling, a slim line set out to the unit outside, and no new ducts or soffits.

Cooling a whole boiler house this way is a multi-zone job, a head for each room with a door that stays shut, served by one outdoor unit or two. Four zones run $16,000 to $21,000 installed. Each head heats too, so on a cool October morning it can take the chill off a room before the boiler season starts.

Close to four homes in ten in 22101 went up in the 1950s and 60s, and a house from then that has since gained a wing, a suite over the garage or a lower level finished as an office often has rooms its first duct layout doesn’t reach. In the bigger houses, nine rooms or more at the 22101 median, the trouble spot is often the room at the end of the longest duct run: a guest suite, a home gym, a corner office.

22102 is the opposite case. Close to half its homes are in buildings of 50 units or more, where an outdoor unit and a hole through an outside wall are the building’s decision, so in Tysons a mini split is mostly a townhouse or house job. If you’re in a tower and want one, management’s written approval comes before any price.

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 McLean.

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
McLean1977single-family houses, about 8 in 10gas, about 7 in 10Additions, sunrooms and upstairs rooms the old ducts barely reach.
Tysons1985condo and apartment buildings, about 7 in 10electricity, about 5 in 10Condo buildings: an outdoor unit needs the association’s yes.
By the numbers

McLean houses, by the numbers

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

McLean

ZIPs 22101 and 22102 as a whole: every McLean address, Tysons included.

  • Built before 1980about 4 in 10 Census
  • Built since 2000about 3 in 10 Census
  • Most homes aresingle-family houses, about 5 in 10 Census
  • Heated withgas, about 7 in 10 Census
  • Rentedabout 4 in 10 Census
  • Condo buildings usually need the association’s approval before an outdoor unit goes on.
  • In a gas-heated house a mini split adds heat pump heating to one room; the furnace keeps the rest.
What it costs

What a ductless mini split costs in McLean.

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
  • Ductless mini split, two zones, installed$11,000 to $15,000
  • Ductless mini split, three zones, installed$12,500 to $18,000
  • Ductless mini split, four zones, installed$16,000 to $21,000
  • Ductless mini split, five zones, installed$19,000 to $25,000
  • Ductless mini split, six zones, installed$23,000 to $30,000

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.

When it’s the right call

When a ductless mini split makes sense in McLean.

The window units go in every June

If the bedrooms cool with window units every summer, the house likely heats with a boiler and never had ducts to begin with. Heads on the walls clear the windows and give each room its own setting.

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.

One room is always wrong

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.

Paperwork, locally

Who signs off on a mini split in McLean.

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.

Choosing who installs it

How to pick the best mini split installer in McLean.

Questions worth asking anybody who quotes you, us included.

  1. Did they map the line set route outside?

    With heads in three or four rooms, the refrigerant lines have to come down the outside of the house to the outdoor units. Get the route marked and the line covers named before signing, especially on a side the street sees.

  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.

From our Google reviews

What our customers say.

★★★★★
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.
noshea2Google review, October 2025

5.0 stars across 884 Google reviews. Read them on our reviews page.

Questions

Ductless mini split questions from McLean.

Our boiler house has ducted AC upstairs only. Can ductless cool the main floor?

Yes. If the ducts from an attic air handler only reach the second floor, the main floor has no cool air path at all. Heads in the living and dining rooms fill that gap without cutting into ceilings, and two zones run $11,000 to $15,000 installed.

How much does a ductless mini split cost in McLean?

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.

Nearby

More from SwiftPro in McLean.

More from SwiftPro in McLean

Tell us which room it is.

Call, or book online and pick a window. You get the installed price in writing before anything goes on the wall.

SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving McLean 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.

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